./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/mbpr5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF --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 5503daab190ef8b57bdc3b49ed300bfd661cba05f76774439c2c92cf1668f08b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:35:23,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:35:23,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:35:23,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:35:23,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:35:23,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:35:23,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:35:23,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:35:23,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:35:23,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:35:23,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:35:23,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:35:23,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:35:23,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:35:23,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:35:23,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:35:23,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:35:23,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:35:23,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:35:23,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:35:23,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:35:23,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:35:23,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:35:23,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:35:23,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:35:23,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:35:23,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:35:23,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:35:23,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:35:23,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:35:23,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:35:23,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:35:23,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:35:23,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:35:23,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:35:23,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:35:23,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:35:23,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:35:23,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:35:23,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:35:23,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:35:23,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:35:23,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:35:23,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:35:23,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:35:23,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:35:23,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:35:23,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:35:23,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:35:23,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:35:23,342 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:35:23,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:35:23,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:35:23,343 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:35:23,343 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:35:23,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:35:23,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:35:23,344 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:35:23,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:35:23,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:35:23,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:35:23,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:35:23,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:35:23,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:35:23,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:35:23,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:35:23,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:35:23,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:35:23,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:35:23,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:35:23,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:35:23,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:35:23,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:35:23,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:23,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:35:23,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:35:23,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:35:23,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:35:23,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:35:23,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:35:23,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:35:23,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:35:23,352 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_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5503daab190ef8b57bdc3b49ed300bfd661cba05f76774439c2c92cf1668f08b [2021-11-13 01:35:23,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:35:23,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:35:23,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:35:23,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:35:23,671 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:35:23,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-tiling/mbpr5.c [2021-11-13 01:35:23,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/data/efab82daf/0a3b853876da43afab1d1139e6aa7a23/FLAGe80d19cd3 [2021-11-13 01:35:24,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:35:24,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/sv-benchmarks/c/array-tiling/mbpr5.c [2021-11-13 01:35:24,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/data/efab82daf/0a3b853876da43afab1d1139e6aa7a23/FLAGe80d19cd3 [2021-11-13 01:35:24,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/data/efab82daf/0a3b853876da43afab1d1139e6aa7a23 [2021-11-13 01:35:24,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:35:24,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:35:24,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:24,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:35:24,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:35:24,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:24" (1/1) ... [2021-11-13 01:35:24,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d84682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:24, skipping insertion in model container [2021-11-13 01:35:24,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:24" (1/1) ... [2021-11-13 01:35:24,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:35:24,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:35:24,912 WARN L228 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_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/sv-benchmarks/c/array-tiling/mbpr5.c[396,409] [2021-11-13 01:35:24,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:24,984 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:35:24,997 WARN L228 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_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/sv-benchmarks/c/array-tiling/mbpr5.c[396,409] [2021-11-13 01:35:25,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:25,037 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:35:25,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25 WrapperNode [2021-11-13 01:35:25,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:25,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:25,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:35:25,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:35:25,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:25,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:35:25,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:35:25,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:35:25,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:35:25,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:35:25,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:35:25,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:35:25,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (1/1) ... [2021-11-13 01:35:25,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:25,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:35:25,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:35:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:35:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:35:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:35:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:35:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:35:25,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:35:25,883 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 01:35:25,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:35:25 BoogieIcfgContainer [2021-11-13 01:35:25,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:35:25,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:35:25,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:35:25,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:35:25,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:35:24" (1/3) ... [2021-11-13 01:35:25,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbe49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:35:25, skipping insertion in model container [2021-11-13 01:35:25,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:25" (2/3) ... [2021-11-13 01:35:25,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbe49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:35:25, skipping insertion in model container [2021-11-13 01:35:25,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:35:25" (3/3) ... [2021-11-13 01:35:25,909 INFO L111 eAbstractionObserver]: Analyzing ICFG mbpr5.c [2021-11-13 01:35:25,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:35:25,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:35:25,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:35:26,007 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 [2021-11-13 01:35:26,008 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:35:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-11-13 01:35:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:35:26,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:35:26,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:35:26,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:35:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:35:26,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1404277818, now seen corresponding path program 1 times [2021-11-13 01:35:26,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:35:26,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475978549] [2021-11-13 01:35:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:35:26,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:35:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:35:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:26,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:35:26,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475978549] [2021-11-13 01:35:26,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475978549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:35:26,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:35:26,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 01:35:26,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361034891] [2021-11-13 01:35:26,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:35:26,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:35:26,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:35:26,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:35:26,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:35:26,610 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2021-11-13 01:35:26,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:35:26,702 INFO L93 Difference]: Finished difference Result 32 states and 45 transitions. [2021-11-13 01:35:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:35:26,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 11 [2021-11-13 01:35:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:35:26,729 INFO L225 Difference]: With dead ends: 32 [2021-11-13 01:35:26,730 INFO L226 Difference]: Without dead ends: 14 [2021-11-13 01:35:26,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:35:26,737 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 20 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.41ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:35:26,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 12 Invalid, 37 Unknown, 0 Unchecked, 1.41ms Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 65.19ms Time] [2021-11-13 01:35:26,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-13 01:35:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-13 01:35:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-11-13 01:35:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-11-13 01:35:26,776 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 11 [2021-11-13 01:35:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:35:26,776 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-13 01:35:26,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2021-11-13 01:35:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2021-11-13 01:35:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:35:26,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:35:26,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:35:26,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:35:26,779 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:35:26,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:35:26,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2114831405, now seen corresponding path program 1 times [2021-11-13 01:35:26,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:35:26,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029010403] [2021-11-13 01:35:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:35:26,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:35:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:35:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:26,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:35:26,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029010403] [2021-11-13 01:35:26,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029010403] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:35:26,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351103280] [2021-11-13 01:35:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:35:26,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:35:26,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:35:26,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:35:26,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:35:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:35:27,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:35:27,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:35:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:27,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:35:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:27,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351103280] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:35:27,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [644146322] [2021-11-13 01:35:27,542 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-13 01:35:27,543 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:35:27,547 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:35:27,553 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:35:27,554 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:35:27,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:27,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:35:27,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:27,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:35:27,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:35:27,644 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_11|], 21=[|v_#valid_20|]} [2021-11-13 01:35:27,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:35:27,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:35:27,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:35:27,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:27,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:27,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:35:27,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:35:27,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:35:27,775 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:27,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:27,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:35:27,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:35:27,811 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:35:27,824 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.7 percent of original size [2021-11-13 01:35:27,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:27,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:35:27,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:27,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:35:27,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 01:35:27,854 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_12|], 15=[|v_#valid_21|]} [2021-11-13 01:35:27,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,895 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:35:27,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-13 01:35:27,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:35:27,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:35:27,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:27,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:27,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:27,982 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-13 01:35:27,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-13 01:35:27,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:35:27,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:27,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:35:27,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:27,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:28,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-13 01:35:28,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:35:28,031 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:145 [2021-11-13 01:35:28,068 INFO L180 QuantifierPusher]: treesize reduction 50, result has 91.7 percent of original size [2021-11-13 01:35:28,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:35:28,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:35:28,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-13 01:35:28,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-13 01:35:28,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 488 [2021-11-13 01:35:28,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 469 [2021-11-13 01:35:28,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 691 [2021-11-13 01:35:28,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:35:28,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:35:28,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:35:28,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,198 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 0 case distinctions, treesize of input 238 treesize of output 206 [2021-11-13 01:35:28,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:28,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-13 01:35:28,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2021-11-13 01:35:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:28,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2021-11-13 01:35:28,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:28,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:28,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:28,301 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:35:28,302 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 01:35:28,305 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:35:28,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2021-11-13 01:35:28,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801718722] [2021-11-13 01:35:28,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:35:28,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:35:28,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:35:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:35:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:35:28,311 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-13 01:35:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:35:28,445 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2021-11-13 01:35:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:35:28,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 [2021-11-13 01:35:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:35:28,448 INFO L225 Difference]: With dead ends: 31 [2021-11-13 01:35:28,448 INFO L226 Difference]: Without dead ends: 23 [2021-11-13 01:35:28,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:35:28,455 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.22ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.90ms IncrementalHoareTripleChecker+Time [2021-11-13 01:35:28,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 90 Unknown, 0 Unchecked, 3.22ms Time], IncrementalHoareTripleChecker [34 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 95.90ms Time] [2021-11-13 01:35:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-13 01:35:28,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2021-11-13 01:35:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-11-13 01:35:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-11-13 01:35:28,473 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 12 [2021-11-13 01:35:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:35:28,473 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-13 01:35:28,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-13 01:35:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-13 01:35:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 01:35:28,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:35:28,474 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:35:28,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:35:28,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:35:28,703 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:35:28,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:35:28,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1038868519, now seen corresponding path program 1 times [2021-11-13 01:35:28,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:35:28,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78702498] [2021-11-13 01:35:28,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:35:28,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:35:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:35:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:29,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:35:29,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78702498] [2021-11-13 01:35:29,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78702498] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:35:29,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012928439] [2021-11-13 01:35:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:35:29,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:35:29,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:35:29,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:35:29,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:35:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:35:29,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 01:35:29,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:35:29,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 208 treesize of output 206 [2021-11-13 01:35:29,766 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 [2021-11-13 01:35:29,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 146 [2021-11-13 01:35:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:29,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 47 [2021-11-13 01:35:30,008 INFO L354 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2021-11-13 01:35:30,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 318 treesize of output 326 [2021-11-13 01:35:30,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 250 [2021-11-13 01:35:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,117 INFO L354 Elim1Store]: treesize reduction 40, result has 14.9 percent of original size [2021-11-13 01:35:30,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 78 [2021-11-13 01:35:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2021-11-13 01:35:30,399 INFO L354 Elim1Store]: treesize reduction 147, result has 21.0 percent of original size [2021-11-13 01:35:30,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 333 treesize of output 356 [2021-11-13 01:35:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 26 [2021-11-13 01:35:30,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 256 [2021-11-13 01:35:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,556 INFO L354 Elim1Store]: treesize reduction 98, result has 16.9 percent of original size [2021-11-13 01:35:30,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 89 [2021-11-13 01:35:30,842 INFO L354 Elim1Store]: treesize reduction 260, result has 19.5 percent of original size [2021-11-13 01:35:30,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 348 treesize of output 386 [2021-11-13 01:35:30,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 298 [2021-11-13 01:35:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,053 INFO L354 Elim1Store]: treesize reduction 157, result has 16.9 percent of original size [2021-11-13 01:35:31,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 133 treesize of output 129 [2021-11-13 01:35:31,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,085 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 85 treesize of output 41 [2021-11-13 01:35:31,868 INFO L354 Elim1Store]: treesize reduction 391, result has 18.2 percent of original size [2021-11-13 01:35:31,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 363 treesize of output 416 [2021-11-13 01:35:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 47 [2021-11-13 01:35:31,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 276 [2021-11-13 01:35:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:35:32,090 INFO L354 Elim1Store]: treesize reduction 216, result has 16.9 percent of original size [2021-11-13 01:35:32,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 111 treesize of output 119 [2021-11-13 01:35:32,964 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-11-13 01:35:32,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 128 treesize of output 84 [2021-11-13 01:35:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:35:33,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:35:33,587 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:33,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 568 treesize of output 568 [2021-11-13 01:35:33,608 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 13 treesize of output 4 [2021-11-13 01:35:33,637 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 13 treesize of output 4 [2021-11-13 01:35:33,657 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 560 treesize of output 492 [2021-11-13 01:35:33,765 INFO L354 Elim1Store]: treesize reduction 241, result has 2.0 percent of original size [2021-11-13 01:35:33,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 25414390 treesize of output 20960749 [2021-11-13 01:36:30,658 WARN L227 SmtUtils]: Spent 56.89s on a formula simplification that was a NOOP. DAG size: 913 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:44:05,202 WARN L227 SmtUtils]: Spent 6.46m on a formula simplification. DAG size of input: 902 DAG size of output: 905 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:44:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:44:08,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012928439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:44:08,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1074562751] [2021-11-13 01:44:08,239 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-13 01:44:08,240 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:44:08,240 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:44:08,241 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:44:08,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:44:08,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:44:08,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:44:08,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:44:08,268 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_22|]} [2021-11-13 01:44:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:44:08,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:44:08,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:44:08,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:44:08,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:44:08,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:44:08,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:44:08,319 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:44:08,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:44:08,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,330 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:44:08,340 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.7 percent of original size [2021-11-13 01:44:08,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:44:08,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:44:08,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 01:44:08,353 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_14|], 15=[|v_#valid_23|]} [2021-11-13 01:44:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,378 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:44:08,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-13 01:44:08,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:44:08,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:44:08,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:44:08,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,477 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-13 01:44:08,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-13 01:44:08,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:44:08,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:44:08,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:44:08,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-13 01:44:08,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,518 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:145 [2021-11-13 01:44:08,541 INFO L180 QuantifierPusher]: treesize reduction 50, result has 91.7 percent of original size [2021-11-13 01:44:08,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:44:08,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:44:08,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:44:08,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:44:08,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-13 01:44:08,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 809 [2021-11-13 01:44:08,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1037 [2021-11-13 01:44:08,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:08,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:44:08,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:44:08,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:08,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:44:08,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:44:08,630 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,655 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 0 case distinctions, treesize of input 408 treesize of output 376 [2021-11-13 01:44:08,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:44:08,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:44:08,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-13 01:44:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:08,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-13 01:44:08,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:44:08,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:08,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:44:08,739 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:44:08,739 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 01:44:08,741 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:44:08,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 6] total 30 [2021-11-13 01:44:08,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728423722] [2021-11-13 01:44:08,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:44:08,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-13 01:44:08,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:44:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-13 01:44:08,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:44:08,747 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-11-13 01:44:10,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:44:10,910 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-11-13 01:44:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 01:44:10,911 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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 16 [2021-11-13 01:44:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:44:10,912 INFO L225 Difference]: With dead ends: 33 [2021-11-13 01:44:10,913 INFO L226 Difference]: Without dead ends: 31 [2021-11-13 01:44:10,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 11 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=236, Invalid=1403, Unknown=1, NotChecked=0, Total=1640 [2021-11-13 01:44:10,915 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.46ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 122.11ms IncrementalHoareTripleChecker+Time [2021-11-13 01:44:10,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 29 Invalid, 153 Unknown, 0 Unchecked, 2.46ms Time], IncrementalHoareTripleChecker [21 Valid, 74 Invalid, 0 Unknown, 58 Unchecked, 122.11ms Time] [2021-11-13 01:44:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-13 01:44:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2021-11-13 01:44:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:44:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-13 01:44:10,929 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 16 [2021-11-13 01:44:10,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:44:10,930 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-13 01:44:10,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-11-13 01:44:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-13 01:44:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 01:44:10,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:44:10,932 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:44:10,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:44:11,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:44:11,146 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:44:11,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:44:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash 607816640, now seen corresponding path program 1 times [2021-11-13 01:44:11,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:44:11,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834521759] [2021-11-13 01:44:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:44:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:44:11,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:44:11,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834521759] [2021-11-13 01:44:11,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834521759] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:44:11,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769523914] [2021-11-13 01:44:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:44:11,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:44:11,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:44:11,724 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:44:11,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:44:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:44:11,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 01:44:11,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:44:12,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 180 treesize of output 178 [2021-11-13 01:44:12,071 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 9 treesize of output 3 [2021-11-13 01:44:12,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 116 [2021-11-13 01:44:14,956 INFO L354 Elim1Store]: treesize reduction 4252, result has 8.4 percent of original size [2021-11-13 01:44:14,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 20 new quantified variables, introduced 115 case distinctions, treesize of input 25206 treesize of output 10849 [2021-11-13 01:44:16,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:16,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:44:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:44:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:16,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 111 [2021-11-13 01:44:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:44:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 190 [2021-11-13 01:44:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 58 [2021-11-13 01:44:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2021-11-13 01:44:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-13 01:44:17,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 122 [2021-11-13 01:44:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 77 [2021-11-13 01:44:17,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-11-13 01:44:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 64 [2021-11-13 01:44:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 43 [2021-11-13 01:44:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 32 [2021-11-13 01:44:17,766 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-13 01:44:17,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 330 [2021-11-13 01:44:17,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:17,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2021-11-13 01:44:17,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 248 [2021-11-13 01:44:22,881 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 656 DAG size of output: 191 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 01:44:22,882 INFO L354 Elim1Store]: treesize reduction 10590, result has 6.5 percent of original size [2021-11-13 01:44:22,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 21 new quantified variables, introduced 135 case distinctions, treesize of input 6068 treesize of output 3102 [2021-11-13 01:44:23,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,349 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:23,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 58 [2021-11-13 01:44:23,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:23,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:23,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:23,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 79 [2021-11-13 01:44:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,744 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:23,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 284 treesize of output 154 [2021-11-13 01:44:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:23,863 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:23,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 623 treesize of output 361 [2021-11-13 01:44:24,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:24,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 99 [2021-11-13 01:44:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,389 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 60 [2021-11-13 01:44:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:24,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 330 treesize of output 208 [2021-11-13 01:44:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,611 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 60 [2021-11-13 01:44:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,657 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 60 [2021-11-13 01:44:24,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,702 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 82 [2021-11-13 01:44:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,753 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:24,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 116 [2021-11-13 01:44:24,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,822 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 87 [2021-11-13 01:44:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,867 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 68 [2021-11-13 01:44:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:24,901 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-13 01:44:24,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 61 [2021-11-13 01:44:25,093 INFO L354 Elim1Store]: treesize reduction 161, result has 21.1 percent of original size [2021-11-13 01:44:25,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 335 treesize of output 360 [2021-11-13 01:44:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:25,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:25,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:25,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 28 [2021-11-13 01:44:25,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 258 [2021-11-13 01:44:32,925 WARN L227 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 826 DAG size of output: 234 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 01:44:32,926 INFO L354 Elim1Store]: treesize reduction 14096, result has 6.3 percent of original size [2021-11-13 01:44:32,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 22 new quantified variables, introduced 156 case distinctions, treesize of input 12158 treesize of output 5559 [2021-11-13 01:44:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:33,870 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-13 01:44:33,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 61 [2021-11-13 01:44:34,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:34,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,468 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-13 01:44:34,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 68 [2021-11-13 01:44:34,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,711 INFO L354 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2021-11-13 01:44:34,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 68 [2021-11-13 01:44:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,799 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:34,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 88 [2021-11-13 01:44:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:34,903 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-13 01:44:34,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 356 treesize of output 243 [2021-11-13 01:44:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,140 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:35,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 135 [2021-11-13 01:44:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,328 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:35,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 88 [2021-11-13 01:44:35,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,401 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:35,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 141 treesize of output 100 [2021-11-13 01:44:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,487 INFO L354 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2021-11-13 01:44:35,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 347 treesize of output 224 [2021-11-13 01:44:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,683 INFO L354 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2021-11-13 01:44:35,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 375 treesize of output 217 [2021-11-13 01:44:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,822 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:35,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 137 [2021-11-13 01:44:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:35,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 119 [2021-11-13 01:44:35,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:35,994 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:35,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 163 treesize of output 117 [2021-11-13 01:44:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,097 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-13 01:44:36,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 166 treesize of output 109 [2021-11-13 01:44:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,162 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:44:36,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 84 [2021-11-13 01:44:36,845 INFO L354 Elim1Store]: treesize reduction 276, result has 19.5 percent of original size [2021-11-13 01:44:36,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 350 treesize of output 390 [2021-11-13 01:44:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:36,916 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 82 treesize of output 40 [2021-11-13 01:44:36,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 268 [2021-11-13 01:44:45,841 WARN L227 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 1000 DAG size of output: 281 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 01:44:45,842 INFO L354 Elim1Store]: treesize reduction 17604, result has 6.3 percent of original size [2021-11-13 01:44:45,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 23 new quantified variables, introduced 178 case distinctions, treesize of input 97288 treesize of output 37152 [2021-11-13 01:44:47,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:44:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,112 INFO L354 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2021-11-13 01:44:48,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 114 [2021-11-13 01:44:48,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,245 INFO L354 Elim1Store]: treesize reduction 27, result has 48.1 percent of original size [2021-11-13 01:44:48,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 569 treesize of output 351 [2021-11-13 01:44:48,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,608 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 01:44:48,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 542 treesize of output 333 [2021-11-13 01:44:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:48,969 INFO L354 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2021-11-13 01:44:48,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 107 [2021-11-13 01:44:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,093 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:49,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 144 [2021-11-13 01:44:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,240 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 01:44:49,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 355 treesize of output 244 [2021-11-13 01:44:49,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,515 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 01:44:49,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 393 treesize of output 254 [2021-11-13 01:44:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,704 INFO L354 Elim1Store]: treesize reduction 42, result has 19.2 percent of original size [2021-11-13 01:44:49,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 91 [2021-11-13 01:44:49,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,771 INFO L354 Elim1Store]: treesize reduction 27, result has 48.1 percent of original size [2021-11-13 01:44:49,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 113 [2021-11-13 01:44:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,864 INFO L354 Elim1Store]: treesize reduction 27, result has 48.1 percent of original size [2021-11-13 01:44:49,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 201 treesize of output 152 [2021-11-13 01:44:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:49,962 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 01:44:49,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 260 treesize of output 170 [2021-11-13 01:44:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,046 INFO L354 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2021-11-13 01:44:50,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 285 treesize of output 184 [2021-11-13 01:44:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,137 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 01:44:50,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 211 treesize of output 142 [2021-11-13 01:44:50,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:44:50,210 INFO L354 Elim1Store]: treesize reduction 27, result has 48.1 percent of original size [2021-11-13 01:44:50,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 116 [2021-11-13 01:44:50,800 INFO L354 Elim1Store]: treesize reduction 99, result has 1.0 percent of original size [2021-11-13 01:44:50,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 78 [2021-11-13 01:44:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:44:50,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:44:51,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:44:51,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 572 treesize of output 572 [2021-11-13 01:44:51,235 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 13 treesize of output 4 [2021-11-13 01:44:51,257 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 13 treesize of output 4 [2021-11-13 01:44:51,286 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 564 treesize of output 496 [2021-11-13 01:44:51,355 INFO L354 Elim1Store]: treesize reduction 251, result has 2.0 percent of original size [2021-11-13 01:44:51,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 6589678 treesize of output 5432805 [2021-11-13 01:45:04,695 WARN L227 SmtUtils]: Spent 13.34s on a formula simplification that was a NOOP. DAG size: 651 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:46:25,385 WARN L227 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 640 DAG size of output: 643 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:46:31,986 WARN L227 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 531 DAG size of output: 531 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:46:49,804 WARN L227 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:46:55,685 WARN L227 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 529 DAG size of output: 528 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:04,358 WARN L227 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 529 DAG size of output: 528 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:10,299 WARN L227 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:16,928 WARN L227 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:23,407 WARN L227 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:30,017 WARN L227 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 529 DAG size of output: 528 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:36,234 WARN L227 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:42,897 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 529 DAG size of output: 528 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:47:54,693 WARN L227 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 529 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 01:48:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:48:02,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769523914] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:48:02,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1379913044] [2021-11-13 01:48:02,526 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2021-11-13 01:48:02,527 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:48:02,527 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:48:02,527 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:48:02,528 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:48:02,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:02,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:48:02,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:48:02,561 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_24|]} [2021-11-13 01:48:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:48:02,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:48:02,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:48:02,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:02,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:48:02,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:48:02,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:48:02,604 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:02,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:48:02,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,614 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:48:02,619 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.7 percent of original size [2021-11-13 01:48:02,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:48:02,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:48:02,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 01:48:02,628 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_16|], 15=[|v_#valid_25|]} [2021-11-13 01:48:02,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,651 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:48:02,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-13 01:48:02,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:48:02,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:48:02,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:02,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,716 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-13 01:48:02,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-13 01:48:02,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:48:02,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:48:02,722 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:02,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-13 01:48:02,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,737 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:145 [2021-11-13 01:48:02,751 INFO L180 QuantifierPusher]: treesize reduction 50, result has 91.7 percent of original size [2021-11-13 01:48:02,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:48:02,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:48:02,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:48:02,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:48:02,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-13 01:48:02,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 809 [2021-11-13 01:48:02,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1037 [2021-11-13 01:48:02,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:48:02,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:48:02,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:48:02,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,818 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 0 case distinctions, treesize of input 408 treesize of output 376 [2021-11-13 01:48:02,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:02,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:48:02,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-13 01:48:02,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:02,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-13 01:48:02,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:02,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:02,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:02,899 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:02,899 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 01:48:02,901 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:48:02,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 7] total 30 [2021-11-13 01:48:02,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55217019] [2021-11-13 01:48:02,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:48:02,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-13 01:48:02,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:48:02,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-13 01:48:02,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=736, Unknown=0, NotChecked=0, Total=870 [2021-11-13 01:48:02,905 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 30 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 30 states have internal predecessors, (52), 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) [2021-11-13 01:48:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:12,424 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2021-11-13 01:48:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-13 01:48:12,425 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 30 states have internal predecessors, (52), 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 19 [2021-11-13 01:48:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:12,428 INFO L225 Difference]: With dead ends: 42 [2021-11-13 01:48:12,428 INFO L226 Difference]: Without dead ends: 40 [2021-11-13 01:48:12,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=226, Invalid=1253, Unknown=3, NotChecked=0, Total=1482 [2021-11-13 01:48:12,431 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 174.43ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:12,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 38 Invalid, 209 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [30 Valid, 133 Invalid, 0 Unknown, 46 Unchecked, 174.43ms Time] [2021-11-13 01:48:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-13 01:48:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-11-13 01:48:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:48:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-11-13 01:48:12,451 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 19 [2021-11-13 01:48:12,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:12,451 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-13 01:48:12,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 30 states have internal predecessors, (52), 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) [2021-11-13 01:48:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-13 01:48:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 01:48:12,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:12,459 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:12,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:12,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:48:12,675 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:48:12,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash -111066503, now seen corresponding path program 2 times [2021-11-13 01:48:12,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:48:12,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945988505] [2021-11-13 01:48:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:12,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:48:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:48:13,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:48:13,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945988505] [2021-11-13 01:48:13,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945988505] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:48:13,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394810976] [2021-11-13 01:48:13,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:48:13,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:48:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:48:13,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:48:13,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 01:48:13,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-13 01:48:13,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:48:13,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:48:13,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:13,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 180 treesize of output 178 [2021-11-13 01:48:13,563 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 9 treesize of output 3 [2021-11-13 01:48:13,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 116 [2021-11-13 01:48:16,125 INFO L354 Elim1Store]: treesize reduction 4252, result has 8.4 percent of original size [2021-11-13 01:48:16,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 20 new quantified variables, introduced 115 case distinctions, treesize of input 3154 treesize of output 1789 [2021-11-13 01:48:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:48:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 74 [2021-11-13 01:48:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 60 [2021-11-13 01:48:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 36 [2021-11-13 01:48:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 80 [2021-11-13 01:48:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 50 [2021-11-13 01:48:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:16,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-11-13 01:48:17,037 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-13 01:48:17,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 330 [2021-11-13 01:48:17,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 254 [2021-11-13 01:48:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,110 INFO L354 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2021-11-13 01:48:17,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 82 [2021-11-13 01:48:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 16 [2021-11-13 01:48:17,285 INFO L354 Elim1Store]: treesize reduction 161, result has 21.1 percent of original size [2021-11-13 01:48:17,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 335 treesize of output 360 [2021-11-13 01:48:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:17,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-11-13 01:48:17,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 258 [2021-11-13 01:48:24,653 WARN L227 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 826 DAG size of output: 241 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-13 01:48:24,655 INFO L354 Elim1Store]: treesize reduction 14062, result has 6.5 percent of original size [2021-11-13 01:48:24,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 15 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 22 new quantified variables, introduced 156 case distinctions, treesize of input 72958 treesize of output 27993 [2021-11-13 01:48:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,421 INFO L354 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2021-11-13 01:48:26,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 68 [2021-11-13 01:48:26,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:48:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:26,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 115 [2021-11-13 01:48:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,862 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-13 01:48:26,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 84 [2021-11-13 01:48:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:26,960 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:48:26,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 360 treesize of output 240 [2021-11-13 01:48:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:27,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 621 treesize of output 391 [2021-11-13 01:48:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,565 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-13 01:48:27,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 260 treesize of output 161 [2021-11-13 01:48:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,694 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:48:27,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 232 treesize of output 166 [2021-11-13 01:48:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,860 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:48:27,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 158 treesize of output 110 [2021-11-13 01:48:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:27,941 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:48:27,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 394 treesize of output 252 [2021-11-13 01:48:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:28,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 135 [2021-11-13 01:48:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,203 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:28,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 98 [2021-11-13 01:48:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,273 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:48:28,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 240 treesize of output 143 [2021-11-13 01:48:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:28,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 121 [2021-11-13 01:48:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:28,451 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-13 01:48:28,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 74 [2021-11-13 01:48:29,138 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-13 01:48:29,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 108 treesize of output 72 [2021-11-13 01:48:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 01:48:29,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:29,590 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:29,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 572 treesize of output 572 [2021-11-13 01:48:29,612 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 13 treesize of output 4 [2021-11-13 01:48:29,647 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 13 treesize of output 4 [2021-11-13 01:48:29,662 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 564 treesize of output 496 [2021-11-13 01:48:29,706 INFO L354 Elim1Store]: treesize reduction 251, result has 2.0 percent of original size [2021-11-13 01:48:29,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 585918 treesize of output 483141 [2021-11-13 01:48:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:48:39,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394810976] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:48:39,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2121945698] [2021-11-13 01:48:39,702 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2021-11-13 01:48:39,703 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:48:39,703 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:48:39,703 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:48:39,703 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:48:39,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:39,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:48:39,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:48:39,716 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_26|]} [2021-11-13 01:48:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:48:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:48:39,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:48:39,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:39,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:48:39,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:48:39,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:48:39,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:39,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:48:39,766 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,766 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:48:39,771 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.7 percent of original size [2021-11-13 01:48:39,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:48:39,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:48:39,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 01:48:39,779 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_18|], 15=[|v_#valid_27|]} [2021-11-13 01:48:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,797 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:48:39,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-13 01:48:39,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:48:39,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:48:39,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:39,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,852 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-13 01:48:39,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-13 01:48:39,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:48:39,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:48:39,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:48:39,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-13 01:48:39,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,870 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:145 [2021-11-13 01:48:39,882 INFO L180 QuantifierPusher]: treesize reduction 50, result has 91.7 percent of original size [2021-11-13 01:48:39,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:48:39,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 792 [2021-11-13 01:48:39,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:48:39,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:48:39,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 828 [2021-11-13 01:48:39,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 809 [2021-11-13 01:48:39,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1037 [2021-11-13 01:48:39,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,928 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 0 case distinctions, treesize of input 408 treesize of output 376 [2021-11-13 01:48:39,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:48:39,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:48:39,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-13 01:48:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:39,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-13 01:48:39,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:39,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:39,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:48:39,995 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:48:39,995 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 01:48:40,002 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:48:40,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 8] total 29 [2021-11-13 01:48:40,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579785219] [2021-11-13 01:48:40,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:48:40,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-13 01:48:40,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:48:40,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-13 01:48:40,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-11-13 01:48:40,006 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 29 states have internal predecessors, (61), 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) [2021-11-13 01:48:44,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:48:44,611 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2021-11-13 01:48:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 01:48:44,611 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 29 states have internal predecessors, (61), 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 22 [2021-11-13 01:48:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:48:44,613 INFO L225 Difference]: With dead ends: 51 [2021-11-13 01:48:44,613 INFO L226 Difference]: Without dead ends: 49 [2021-11-13 01:48:44,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=220, Invalid=1340, Unknown=0, NotChecked=0, Total=1560 [2021-11-13 01:48:44,615 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.87ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 164.89ms IncrementalHoareTripleChecker+Time [2021-11-13 01:48:44,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 58 Invalid, 209 Unknown, 0 Unchecked, 1.87ms Time], IncrementalHoareTripleChecker [38 Valid, 132 Invalid, 0 Unknown, 39 Unchecked, 164.89ms Time] [2021-11-13 01:48:44,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-13 01:48:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 26. [2021-11-13 01:48:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-11-13 01:48:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-13 01:48:44,628 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 22 [2021-11-13 01:48:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:48:44,628 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-13 01:48:44,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 29 states have internal predecessors, (61), 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) [2021-11-13 01:48:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-13 01:48:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 01:48:44,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:48:44,630 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:48:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:48:44,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-13 01:48:44,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:48:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:48:44,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1651841760, now seen corresponding path program 3 times [2021-11-13 01:48:44,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:48:44,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285836986] [2021-11-13 01:48:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:48:44,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:48:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:48:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 01:48:45,245 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:48:45,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285836986] [2021-11-13 01:48:45,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285836986] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:48:45,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287392559] [2021-11-13 01:48:45,245 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:48:45,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:48:45,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:48:45,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:48:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e4f8fda-bea8-4b4b-89a3-3bf786c9b7c8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 01:48:45,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:48:45,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:48:45,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 01:48:45,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:48:45,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 180 treesize of output 178 [2021-11-13 01:48:45,550 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 9 treesize of output 3 [2021-11-13 01:48:45,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 116 [2021-11-13 01:48:45,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 47 [2021-11-13 01:48:45,666 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-13 01:48:45,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 330 [2021-11-13 01:48:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2021-11-13 01:48:45,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 248 [2021-11-13 01:48:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:48:45,759 INFO L354 Elim1Store]: treesize reduction 48, result has 15.8 percent of original size [2021-11-13 01:48:45,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 76 [2021-11-13 01:48:46,194 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-13 01:48:46,194 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 86 treesize of output 66 [2021-11-13 01:48:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:48:46,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:48:46,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:48:46,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 572 treesize of output 572 [2021-11-13 01:48:46,578 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 13 treesize of output 4 [2021-11-13 01:48:46,616 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 13 treesize of output 4 [2021-11-13 01:48:46,635 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 564 treesize of output 496 [2021-11-13 01:48:46,695 INFO L354 Elim1Store]: treesize reduction 251, result has 2.0 percent of original size [2021-11-13 01:48:46,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1171854 treesize of output 966309 [2021-11-13 01:49:02,568 WARN L227 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 482 DAG size of output: 482 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)