./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw --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 a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:42:27,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:42:27,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:42:27,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:42:27,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:42:27,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:42:27,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:42:27,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:42:27,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:42:27,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:42:27,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:42:27,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:42:27,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:42:27,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:42:27,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:42:27,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:42:27,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:42:27,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:42:27,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:42:27,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:42:27,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:42:27,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:42:27,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:42:27,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:42:27,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:42:27,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:42:27,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:42:27,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:42:27,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:42:27,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:42:27,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:42:27,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:42:27,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:42:27,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:42:27,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:42:27,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:42:27,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:42:27,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:42:27,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:42:27,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:42:27,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:42:27,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:42:27,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:42:27,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:42:27,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:42:27,506 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:42:27,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:42:27,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:42:27,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:42:27,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:42:27,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:42:27,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:42:27,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:42:27,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:42:27,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:42:27,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:42:27,512 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:42:27,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:42:27,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:42:27,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:42:27,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:42:27,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:42:27,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:42:27,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:42:27,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:42:27,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:42:27,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:42:27,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:42:27,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:42:27,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:42:27,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:42:27,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:42:27,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:42:27,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:42:27,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:42:27,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:42:27,521 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:42:27,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:42:27,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:42:27,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:42:27,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:42:27,523 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_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 [2021-10-20 05:42:27,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:42:27,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:42:27,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:42:27,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:42:27,851 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:42:27,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-10-20 05:42:27,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/data/1ebdc6f8b/940d909706314cbbbdc7fc775a9ede48/FLAGca49553a6 [2021-10-20 05:42:28,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:42:28,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-10-20 05:42:28,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/data/1ebdc6f8b/940d909706314cbbbdc7fc775a9ede48/FLAGca49553a6 [2021-10-20 05:42:28,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/data/1ebdc6f8b/940d909706314cbbbdc7fc775a9ede48 [2021-10-20 05:42:28,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:42:28,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:42:28,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:28,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:42:28,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:42:28,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:28" (1/1) ... [2021-10-20 05:42:28,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2f4bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:28, skipping insertion in model container [2021-10-20 05:42:28,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:28" (1/1) ... [2021-10-20 05:42:28,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:42:28,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:42:29,160 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_d1140ca4-757a-40d5-a226-3d2e8483733f/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-10-20 05:42:29,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:29,194 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:42:29,213 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_d1140ca4-757a-40d5-a226-3d2e8483733f/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-10-20 05:42:29,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:29,256 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:42:29,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29 WrapperNode [2021-10-20 05:42:29,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:29,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:42:29,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:42:29,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:42:29,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:42:29,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:42:29,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:42:29,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:42:29,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:42:29,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:42:29,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:42:29,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:42:29,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (1/1) ... [2021-10-20 05:42:29,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:42:29,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:29,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:42:29,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:42:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:42:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:42:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-20 05:42:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-20 05:42:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:42:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:42:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-20 05:42:30,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:42:30,059 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-20 05:42:30,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:30 BoogieIcfgContainer [2021-10-20 05:42:30,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:42:30,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:42:30,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:42:30,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:42:30,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:42:28" (1/3) ... [2021-10-20 05:42:30,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b58bdf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:42:30, skipping insertion in model container [2021-10-20 05:42:30,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:29" (2/3) ... [2021-10-20 05:42:30,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b58bdf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:42:30, skipping insertion in model container [2021-10-20 05:42:30,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:30" (3/3) ... [2021-10-20 05:42:30,085 INFO L111 eAbstractionObserver]: Analyzing ICFG ifeqn3f.c [2021-10-20 05:42:30,092 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:42:30,092 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:42:30,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:42:30,163 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 [2021-10-20 05:42:30,164 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:42:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-20 05:42:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-20 05:42:30,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:30,189 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:30,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:30,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1095923036, now seen corresponding path program 1 times [2021-10-20 05:42:30,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:30,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868556631] [2021-10-20 05:42:30,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:30,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:30,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:30,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868556631] [2021-10-20 05:42:30,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868556631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:30,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:30,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 05:42:30,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319076702] [2021-10-20 05:42:30,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:42:30,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:30,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:42:30,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:42:30,493 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:42:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:30,537 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-10-20 05:42:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:42:30,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-20 05:42:30,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:30,549 INFO L225 Difference]: With dead ends: 20 [2021-10-20 05:42:30,549 INFO L226 Difference]: Without dead ends: 10 [2021-10-20 05:42:30,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:42:30,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-20 05:42:30,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-20 05:42:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-10-20 05:42:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-20 05:42:30,588 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2021-10-20 05:42:30,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:30,588 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-20 05:42:30,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:42:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-20 05:42:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-20 05:42:30,590 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:30,590 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:30,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:42:30,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:30,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:30,592 INFO L82 PathProgramCache]: Analyzing trace with hash 255696374, now seen corresponding path program 1 times [2021-10-20 05:42:30,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:30,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142714520] [2021-10-20 05:42:30,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:30,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:30,619 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:30,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910748271] [2021-10-20 05:42:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:30,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:30,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:30,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-20 05:42:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:30,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:42:30,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:30,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:30,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:30,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142714520] [2021-10-20 05:42:30,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:30,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910748271] [2021-10-20 05:42:30,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910748271] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:30,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:30,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-10-20 05:42:30,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635910459] [2021-10-20 05:42:30,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:42:30,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:30,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:42:30,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:42:30,934 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:42:31,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:31,019 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-10-20 05:42:31,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:42:31,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-20 05:42:31,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:31,022 INFO L225 Difference]: With dead ends: 21 [2021-10-20 05:42:31,022 INFO L226 Difference]: Without dead ends: 16 [2021-10-20 05:42:31,023 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-20 05:42:31,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-20 05:42:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2021-10-20 05:42:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-20 05:42:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-20 05:42:31,027 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-10-20 05:42:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:31,028 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-20 05:42:31,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:42:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-20 05:42:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-20 05:42:31,029 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:31,029 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:31,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:31,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-20 05:42:31,254 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:31,255 INFO L82 PathProgramCache]: Analyzing trace with hash -652476163, now seen corresponding path program 1 times [2021-10-20 05:42:31,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:31,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42236536] [2021-10-20 05:42:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:31,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:31,301 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:31,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275287333] [2021-10-20 05:42:31,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:31,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:31,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:31,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-20 05:42:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:31,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-20 05:42:31,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:31,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:31,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:31,975 INFO L354 Elim1Store]: treesize reduction 150, result has 42.3 percent of original size [2021-10-20 05:42:31,975 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 7 case distinctions, treesize of input 74 treesize of output 143 [2021-10-20 05:42:32,289 INFO L354 Elim1Store]: treesize reduction 23, result has 54.9 percent of original size [2021-10-20 05:42:32,295 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 88 treesize of output 93 [2021-10-20 05:42:32,436 INFO L354 Elim1Store]: treesize reduction 48, result has 52.0 percent of original size [2021-10-20 05:42:32,437 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 54 treesize of output 75 [2021-10-20 05:42:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:32,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:32,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42236536] [2021-10-20 05:42:32,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:32,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275287333] [2021-10-20 05:42:32,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275287333] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:32,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1162121585] [2021-10-20 05:42:32,655 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-10-20 05:42:32,655 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 05:42:32,670 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 05:42:32,675 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 05:42:32,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 05:42:32,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:32,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 05:42:32,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:32,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 05:42:32,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-10-20 05:42:32,733 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_18|]} [2021-10-20 05:42:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,749 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 [2021-10-20 05:42:32,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:32,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:32,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:32,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:32,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,831 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 [2021-10-20 05:42:32,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:32,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:32,838 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:32,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:32,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-10-20 05:42:32,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:32,878 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-10-20 05:42:32,896 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-10-20 05:42:32,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:32,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-20 05:42:32,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:32,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-20 05:42:32,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-20 05:42:32,929 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_19|]} [2021-10-20 05:42:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:32,979 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-20 05:42:32,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2021-10-20 05:42:32,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:32,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:32,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:32,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:32,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:32,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:33,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:33,004 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,119 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-20 05:42:33,120 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 3 case distinctions, treesize of input 44 treesize of output 53 [2021-10-20 05:42:33,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:33,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:33,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,167 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-10-20 05:42:33,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:33,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,180 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:158 [2021-10-20 05:42:33,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:33,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:33,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:33,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-20 05:42:33,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-10-20 05:42:33,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-10-20 05:42:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,246 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 28 treesize of output 30 [2021-10-20 05:42:33,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:33,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:33,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-10-20 05:42:33,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:172 [2021-10-20 05:42:33,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:33,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-20 05:42:33,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:33,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-10-20 05:42:33,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-10-20 05:42:33,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:33,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:33,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-10-20 05:42:33,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-10-20 05:42:33,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 722 [2021-10-20 05:42:33,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:33,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-20 05:42:33,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-10-20 05:42:33,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,727 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 28 treesize of output 30 [2021-10-20 05:42:33,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:33,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:33,733 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:33,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:33,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2021-10-20 05:42:33,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:33,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:33,788 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:33,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:33,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:33,809 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:33,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:33,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:33,916 INFO L180 QuantifierPusher]: treesize reduction 137, result has 74.1 percent of original size [2021-10-20 05:42:33,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-10-20 05:42:33,924 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:33,924 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:796, output treesize:391 [2021-10-20 05:42:33,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,051 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.8 percent of original size [2021-10-20 05:42:34,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:34,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-20 05:42:34,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-20 05:42:34,066 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_1], 2=[|v_#memory_int_34|]} [2021-10-20 05:42:34,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:34,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:34,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2021-10-20 05:42:34,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:34,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:34,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,132 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.5 percent of original size [2021-10-20 05:42:34,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 05:42:34,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:34,136 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:164, output treesize:149 [2021-10-20 05:42:34,144 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:34,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:34,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:34,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:34,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-20 05:42:34,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:34,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,179 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-20 05:42:34,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,183 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2021-10-20 05:42:34,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-20 05:42:34,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:34,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:34,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-10-20 05:42:34,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-20 05:42:34,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:34,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-20 05:42:34,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-10-20 05:42:34,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-20 05:42:34,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-10-20 05:42:34,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-20 05:42:34,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-10-20 05:42:34,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:34,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:34,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:34,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:34,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:34,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:34,337 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:34,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-10-20 05:42:34,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:34,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:34,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:34,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,355 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,384 INFO L180 QuantifierPusher]: treesize reduction 117, result has 57.3 percent of original size [2021-10-20 05:42:34,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-20 05:42:34,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:34,387 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:424, output treesize:157 [2021-10-20 05:42:34,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,428 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.9 percent of original size [2021-10-20 05:42:34,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:34,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:34,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:34,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:34,440 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_37|], 6=[v_prenex_3]} [2021-10-20 05:42:34,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:34,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:34,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:34,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:34,482 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:34,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2021-10-20 05:42:34,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-20 05:42:34,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-20 05:42:34,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:34,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:34,502 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.8 percent of original size [2021-10-20 05:42:34,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:34,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:34,506 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:173, output treesize:158 [2021-10-20 05:42:34,516 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:34,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:34,526 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 05:42:35,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:35,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:42:35,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-10-20 05:42:35,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021349477] [2021-10-20 05:42:35,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-20 05:42:35,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:35,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-20 05:42:35,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-10-20 05:42:35,134 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-20 05:42:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:35,223 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-10-20 05:42:35,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 05:42:35,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 9 [2021-10-20 05:42:35,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:35,225 INFO L225 Difference]: With dead ends: 17 [2021-10-20 05:42:35,225 INFO L226 Difference]: Without dead ends: 15 [2021-10-20 05:42:35,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 706.8ms TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-10-20 05:42:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-20 05:42:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2021-10-20 05:42:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-10-20 05:42:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-10-20 05:42:35,229 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2021-10-20 05:42:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:35,230 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-10-20 05:42:35,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-20 05:42:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-20 05:42:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-20 05:42:35,230 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:35,231 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:35,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:35,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:35,431 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:35,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1109733911, now seen corresponding path program 1 times [2021-10-20 05:42:35,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:35,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654445990] [2021-10-20 05:42:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:35,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:35,453 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:35,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531817004] [2021-10-20 05:42:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:35,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:35,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:35,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:35,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-20 05:42:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:35,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 05:42:35,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:35,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 05:42:35,673 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:35,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654445990] [2021-10-20 05:42:35,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:35,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531817004] [2021-10-20 05:42:35,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531817004] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:35,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [325873734] [2021-10-20 05:42:35,677 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-20 05:42:35,678 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 05:42:35,678 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 05:42:35,678 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 05:42:35,678 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 05:42:35,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:35,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 05:42:35,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:35,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 05:42:35,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-10-20 05:42:35,707 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_21|]} [2021-10-20 05:42:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,721 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 [2021-10-20 05:42:35,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:35,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:35,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:35,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,757 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 [2021-10-20 05:42:35,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:35,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:35,763 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:35,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-10-20 05:42:35,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,774 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-10-20 05:42:35,782 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-10-20 05:42:35,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:35,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-20 05:42:35,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:35,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-20 05:42:35,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-20 05:42:35,799 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_22|]} [2021-10-20 05:42:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,877 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-20 05:42:35,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2021-10-20 05:42:35,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:35,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:35,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:35,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:35,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:35,893 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:35,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:35,958 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-20 05:42:35,958 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 3 case distinctions, treesize of input 44 treesize of output 53 [2021-10-20 05:42:35,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:35,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:35,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:35,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,981 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-10-20 05:42:35,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:35,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:35,986 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:158 [2021-10-20 05:42:35,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:35,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:35,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:36,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-20 05:42:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,023 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 28 treesize of output 30 [2021-10-20 05:42:36,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:36,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:36,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-10-20 05:42:36,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,071 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:169, output treesize:165 [2021-10-20 05:42:36,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:36,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:36,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:36,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-10-20 05:42:36,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 340 [2021-10-20 05:42:36,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-20 05:42:36,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:36,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-20 05:42:36,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-20 05:42:36,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 712 [2021-10-20 05:42:36,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-10-20 05:42:36,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-10-20 05:42:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2021-10-20 05:42:36,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-20 05:42:36,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-20 05:42:36,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:36,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:36,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:36,430 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,454 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 28 treesize of output 30 [2021-10-20 05:42:36,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:36,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:36,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,557 INFO L180 QuantifierPusher]: treesize reduction 134, result has 74.5 percent of original size [2021-10-20 05:42:36,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-10-20 05:42:36,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:36,567 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:786, output treesize:391 [2021-10-20 05:42:36,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,659 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.8 percent of original size [2021-10-20 05:42:36,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-20 05:42:36,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:36,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-20 05:42:36,673 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_4], 2=[|v_#memory_int_42|]} [2021-10-20 05:42:36,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:36,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2021-10-20 05:42:36,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:36,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:36,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,718 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.5 percent of original size [2021-10-20 05:42:36,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 05:42:36,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:36,722 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:164, output treesize:149 [2021-10-20 05:42:36,730 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:36,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:36,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:36,742 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 64 [2021-10-20 05:42:36,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:36,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,759 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.2 percent of original size [2021-10-20 05:42:36,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-20 05:42:36,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:59 [2021-10-20 05:42:36,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-20 05:42:36,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-20 05:42:36,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:36,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:36,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-10-20 05:42:36,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:36,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:36,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-10-20 05:42:36,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-10-20 05:42:36,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-10-20 05:42:36,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-20 05:42:36,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-10-20 05:42:36,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:36,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:36,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:36,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:36,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:36,886 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:36,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:36,904 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:36,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-10-20 05:42:36,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:36,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:36,908 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:36,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,934 INFO L180 QuantifierPusher]: treesize reduction 115, result has 57.7 percent of original size [2021-10-20 05:42:36,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-20 05:42:36,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:36,938 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:420, output treesize:157 [2021-10-20 05:42:36,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:36,982 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.9 percent of original size [2021-10-20 05:42:36,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:36,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:36,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:36,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:36,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:36,999 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_45|], 6=[v_prenex_5]} [2021-10-20 05:42:37,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:37,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:37,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:37,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:37,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:37,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:37,032 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:37,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2021-10-20 05:42:37,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-20 05:42:37,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-20 05:42:37,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:37,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,076 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.8 percent of original size [2021-10-20 05:42:37,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:37,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:37,080 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:173, output treesize:158 [2021-10-20 05:42:37,087 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:37,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:37,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,107 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-10-20 05:42:37,113 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size [2021-10-20 05:42:37,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-10-20 05:42:37,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,168 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:37,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:37,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-10-20 05:42:37,198 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:37,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:37,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:37,276 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 05:42:38,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:38,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:42:38,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-20 05:42:38,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330848340] [2021-10-20 05:42:38,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-20 05:42:38,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:38,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-20 05:42:38,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-20 05:42:38,403 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2021-10-20 05:42:38,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:38,490 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-10-20 05:42:38,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 05:42:38,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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 [2021-10-20 05:42:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:38,491 INFO L225 Difference]: With dead ends: 35 [2021-10-20 05:42:38,492 INFO L226 Difference]: Without dead ends: 21 [2021-10-20 05:42:38,492 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1179.1ms TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-10-20 05:42:38,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-20 05:42:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2021-10-20 05:42:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-10-20 05:42:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-20 05:42:38,496 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2021-10-20 05:42:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:38,496 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-20 05:42:38,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2021-10-20 05:42:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-20 05:42:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-20 05:42:38,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:38,497 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:38,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-10-20 05:42:38,718 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:38,718 INFO L82 PathProgramCache]: Analyzing trace with hash 221349744, now seen corresponding path program 2 times [2021-10-20 05:42:38,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:38,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36334143] [2021-10-20 05:42:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:38,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:38,755 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:38,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132525236] [2021-10-20 05:42:38,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-20 05:42:38,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:38,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:38,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-20 05:42:38,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-20 05:42:38,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-20 05:42:38,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-20 05:42:38,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:38,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2021-10-20 05:42:38,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:38,985 INFO L354 Elim1Store]: treesize reduction 80, result has 20.0 percent of original size [2021-10-20 05:42:38,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 39 [2021-10-20 05:42:39,118 INFO L354 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2021-10-20 05:42:39,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2021-10-20 05:42:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:39,227 INFO L354 Elim1Store]: treesize reduction 152, result has 12.1 percent of original size [2021-10-20 05:42:39,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 60 [2021-10-20 05:42:39,733 INFO L354 Elim1Store]: treesize reduction 90, result has 14.3 percent of original size [2021-10-20 05:42:39,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 55 [2021-10-20 05:42:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:39,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:40,664 INFO L354 Elim1Store]: treesize reduction 67, result has 45.5 percent of original size [2021-10-20 05:42:40,664 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 4 case distinctions, treesize of input 156 treesize of output 180 [2021-10-20 05:42:40,843 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-10-20 05:42:40,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:40,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 22 [2021-10-20 05:42:41,055 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 8 treesize of output 4 [2021-10-20 05:42:41,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:41,080 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 32 treesize of output 19 [2021-10-20 05:42:41,193 INFO L354 Elim1Store]: treesize reduction 46, result has 49.5 percent of original size [2021-10-20 05:42:41,193 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 112 treesize of output 122 [2021-10-20 05:42:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:41,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:41,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36334143] [2021-10-20 05:42:41,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:41,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132525236] [2021-10-20 05:42:41,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132525236] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:41,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1284278415] [2021-10-20 05:42:41,576 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-20 05:42:41,577 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 05:42:41,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 05:42:41,577 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 05:42:41,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 05:42:41,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 05:42:41,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 05:42:41,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-10-20 05:42:41,591 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_25|]} [2021-10-20 05:42:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,602 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 [2021-10-20 05:42:41,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:41,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:41,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,630 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 [2021-10-20 05:42:41,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:41,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:41,634 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-10-20 05:42:41,642 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,642 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-10-20 05:42:41,648 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-10-20 05:42:41,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-20 05:42:41,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-20 05:42:41,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-20 05:42:41,659 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_26|]} [2021-10-20 05:42:41,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:41,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:41,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:41,669 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,695 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-20 05:42:41,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2021-10-20 05:42:41,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:41,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:41,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,751 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-20 05:42:41,752 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 3 case distinctions, treesize of input 44 treesize of output 53 [2021-10-20 05:42:41,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:41,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:41,757 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,768 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-10-20 05:42:41,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:41,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,772 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:158 [2021-10-20 05:42:41,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:41,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:41,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:41,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-20 05:42:41,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-10-20 05:42:41,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-10-20 05:42:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:41,811 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 28 treesize of output 30 [2021-10-20 05:42:41,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:41,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:41,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-10-20 05:42:41,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:41,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:172 [2021-10-20 05:42:41,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:41,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:41,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:41,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:41,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-10-20 05:42:41,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-10-20 05:42:41,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:41,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:41,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:41,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-20 05:42:42,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-10-20 05:42:42,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-10-20 05:42:42,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 722 [2021-10-20 05:42:42,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-20 05:42:42,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-10-20 05:42:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,093 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 28 treesize of output 30 [2021-10-20 05:42:42,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:42,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:42,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2021-10-20 05:42:42,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:42,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:42,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:42,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:42,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:42,153 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,222 INFO L180 QuantifierPusher]: treesize reduction 137, result has 74.1 percent of original size [2021-10-20 05:42:42,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-10-20 05:42:42,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:42,230 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:796, output treesize:391 [2021-10-20 05:42:42,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,301 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.8 percent of original size [2021-10-20 05:42:42,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-20 05:42:42,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:42,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-20 05:42:42,310 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_56|], 2=[v_prenex_6]} [2021-10-20 05:42:42,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:42,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2021-10-20 05:42:42,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:42,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:42,339 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,385 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.5 percent of original size [2021-10-20 05:42:42,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 05:42:42,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:42,389 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:164, output treesize:149 [2021-10-20 05:42:42,398 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:42,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:42,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:42,408 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.5 percent of original size 64 [2021-10-20 05:42:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:42,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,424 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.2 percent of original size [2021-10-20 05:42:42,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-20 05:42:42,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:59 [2021-10-20 05:42:42,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-20 05:42:42,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:42,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-20 05:42:42,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:42,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-10-20 05:42:42,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:42,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:42,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-10-20 05:42:42,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-10-20 05:42:42,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-10-20 05:42:42,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-20 05:42:42,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-10-20 05:42:42,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:42,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,552 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:42,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-10-20 05:42:42,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-10-20 05:42:42,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-10-20 05:42:42,557 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:42,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:42,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:42,569 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,598 INFO L180 QuantifierPusher]: treesize reduction 119, result has 59.8 percent of original size [2021-10-20 05:42:42,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-10-20 05:42:42,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:42,601 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:420, output treesize:177 [2021-10-20 05:42:42,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,640 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.9 percent of original size [2021-10-20 05:42:42,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:42,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:42,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:42,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:42,651 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_7], 6=[|v_#memory_int_59|]} [2021-10-20 05:42:42,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:42,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:42,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:42,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:42,683 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:42,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2021-10-20 05:42:42,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-20 05:42:42,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-20 05:42:42,686 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:42,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,697 INFO L180 QuantifierPusher]: treesize reduction 9, result has 94.6 percent of original size [2021-10-20 05:42:42,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:42,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:42,700 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:173, output treesize:158 [2021-10-20 05:42:42,708 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:42,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:42,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-10-20 05:42:42,725 INFO L180 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-10-20 05:42:42,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-20 05:42:42,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,764 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:42,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:42,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:42,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-10-20 05:42:42,788 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:42,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:42,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:42,838 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 05:42:44,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:44,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:42:44,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-10-20 05:42:44,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428462974] [2021-10-20 05:42:44,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-20 05:42:44,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:44,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-20 05:42:44,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2021-10-20 05:42:44,207 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 19 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) [2021-10-20 05:42:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:45,198 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-10-20 05:42:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-20 05:42:45,199 INFO L78 Accepts]: Start accepts. Automaton has has 19 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) Word has length 14 [2021-10-20 05:42:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:45,200 INFO L225 Difference]: With dead ends: 22 [2021-10-20 05:42:45,200 INFO L226 Difference]: Without dead ends: 20 [2021-10-20 05:42:45,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 2684.2ms TimeCoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2021-10-20 05:42:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-20 05:42:45,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-10-20 05:42:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 05:42:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-10-20 05:42:45,207 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 14 [2021-10-20 05:42:45,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:45,207 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-20 05:42:45,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 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) [2021-10-20 05:42:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-20 05:42:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 05:42:45,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:45,209 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:45,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:45,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:45,422 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1460548292, now seen corresponding path program 3 times [2021-10-20 05:42:45,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:45,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742703444] [2021-10-20 05:42:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:45,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:45,462 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:45,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302995020] [2021-10-20 05:42:45,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-20 05:42:45,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:45,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:45,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-20 05:42:45,605 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-20 05:42:45,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-20 05:42:45,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 05:42:45,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:45,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:45,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:42:45,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742703444] [2021-10-20 05:42:45,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:45,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302995020] [2021-10-20 05:42:45,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302995020] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:45,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [958548172] [2021-10-20 05:42:45,820 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-20 05:42:45,820 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 05:42:45,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 05:42:45,821 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 05:42:45,821 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 05:42:45,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:45,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 05:42:45,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:45,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 05:42:45,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-10-20 05:42:45,839 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 21=[|v_#valid_27|]} [2021-10-20 05:42:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,851 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 [2021-10-20 05:42:45,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:45,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:42:45,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:45,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:45,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,877 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 [2021-10-20 05:42:45,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:45,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:42:45,882 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:45,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:45,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-10-20 05:42:45,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:45,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-10-20 05:42:45,901 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-10-20 05:42:45,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:45,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-20 05:42:45,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:45,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-20 05:42:45,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-20 05:42:45,913 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_26|], 28=[|v_#valid_28|]} [2021-10-20 05:42:45,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:45,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:45,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:45,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,949 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-20 05:42:45,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2021-10-20 05:42:45,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:45,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 05:42:45,954 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:45,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:45,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:45,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:45,999 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-20 05:42:46,000 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 3 case distinctions, treesize of input 44 treesize of output 53 [2021-10-20 05:42:46,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:46,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:46,009 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,042 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-10-20 05:42:46,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:46,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,045 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:158 [2021-10-20 05:42:46,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:46,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-20 05:42:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,075 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 28 treesize of output 30 [2021-10-20 05:42:46,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:46,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:46,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-10-20 05:42:46,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,094 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:169, output treesize:165 [2021-10-20 05:42:46,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:46,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-10-20 05:42:46,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-20 05:42:46,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-10-20 05:42:46,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 340 [2021-10-20 05:42:46,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:46,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-20 05:42:46,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 386 [2021-10-20 05:42:46,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-20 05:42:46,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 712 [2021-10-20 05:42:46,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-10-20 05:42:46,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-10-20 05:42:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2021-10-20 05:42:46,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-20 05:42:46,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-20 05:42:46,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,367 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 28 treesize of output 30 [2021-10-20 05:42:46,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:46,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-20 05:42:46,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:46,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:46,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:46,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,453 INFO L180 QuantifierPusher]: treesize reduction 132, result has 74.2 percent of original size [2021-10-20 05:42:46,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-10-20 05:42:46,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:46,459 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:786, output treesize:380 [2021-10-20 05:42:46,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,535 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.8 percent of original size [2021-10-20 05:42:46,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:46,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-20 05:42:46,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-20 05:42:46,544 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_8], 2=[|v_#memory_int_64|]} [2021-10-20 05:42:46,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:46,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2021-10-20 05:42:46,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:46,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-20 05:42:46,570 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,581 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.5 percent of original size [2021-10-20 05:42:46,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-20 05:42:46,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:46,584 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:164, output treesize:149 [2021-10-20 05:42:46,590 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:46,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:46,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:46,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:46,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-20 05:42:46,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:46,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-10-20 05:42:46,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2021-10-20 05:42:46,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-20 05:42:46,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:46,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-20 05:42:46,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-10-20 05:42:46,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-20 05:42:46,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:46,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-20 05:42:46,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-10-20 05:42:46,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-20 05:42:46,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-10-20 05:42:46,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-20 05:42:46,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-10-20 05:42:46,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-20 05:42:46,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:46,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-20 05:42:46,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:46,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:46,761 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:46,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-10-20 05:42:46,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:46,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:46,764 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,786 INFO L180 QuantifierPusher]: treesize reduction 117, result has 57.3 percent of original size [2021-10-20 05:42:46,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-20 05:42:46,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:46,789 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:424, output treesize:157 [2021-10-20 05:42:46,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,820 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.9 percent of original size [2021-10-20 05:42:46,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-20 05:42:46,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:42:46,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-20 05:42:46,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-10-20 05:42:46,829 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_10], 6=[|v_#memory_int_67|]} [2021-10-20 05:42:46,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-20 05:42:46,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-20 05:42:46,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:42:46,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-20 05:42:46,858 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-20 05:42:46,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2021-10-20 05:42:46,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-20 05:42:46,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-20 05:42:46,861 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:42:46,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,878 INFO L180 QuantifierPusher]: treesize reduction 9, result has 94.6 percent of original size [2021-10-20 05:42:46,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-20 05:42:46,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-20 05:42:46,881 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:173, output treesize:158 [2021-10-20 05:42:46,888 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.6 percent of original size [2021-10-20 05:42:46,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-10-20 05:42:46,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,897 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-10-20 05:42:46,901 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size [2021-10-20 05:42:46,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-10-20 05:42:46,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,937 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:46,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:46,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:42:46,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-10-20 05:42:46,957 INFO L180 QuantifierPusher]: treesize reduction 48, result has 60.7 percent of original size [2021-10-20 05:42:46,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-10-20 05:42:46,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:46,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:47,000 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 05:42:47,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-20 05:42:47,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:42:47,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-20 05:42:47,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289638676] [2021-10-20 05:42:47,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-20 05:42:47,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:42:47,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-20 05:42:47,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-10-20 05:42:47,900 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-10-20 05:42:48,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:48,002 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2021-10-20 05:42:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 05:42:48,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) Word has length 17 [2021-10-20 05:42:48,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:48,005 INFO L225 Difference]: With dead ends: 47 [2021-10-20 05:42:48,005 INFO L226 Difference]: Without dead ends: 26 [2021-10-20 05:42:48,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 977.4ms TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-20 05:42:48,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-20 05:42:48,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-20 05:42:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 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) [2021-10-20 05:42:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-10-20 05:42:48,012 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2021-10-20 05:42:48,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:48,013 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-20 05:42:48,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-10-20 05:42:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-20 05:42:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:42:48,014 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:48,014 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:48,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:48,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:48,230 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:48,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:48,230 INFO L82 PathProgramCache]: Analyzing trace with hash -972050403, now seen corresponding path program 4 times [2021-10-20 05:42:48,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:42:48,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545981155] [2021-10-20 05:42:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:48,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:42:48,264 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-20 05:42:48,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932239826] [2021-10-20 05:42:48,271 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-20 05:42:48,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:48,273 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:48,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-20 05:42:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:42:48,491 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-20 05:42:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-20 05:42:48,613 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-20 05:42:48,613 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-20 05:42:48,615 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:42:48,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:48,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:48,836 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:42:48,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:42:48 BoogieIcfgContainer [2021-10-20 05:42:48,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:42:48,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:42:48,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:42:48,903 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:42:48,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:30" (3/4) ... [2021-10-20 05:42:48,906 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-20 05:42:48,976 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1140ca4-757a-40d5-a226-3d2e8483733f/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:42:48,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:42:48,982 INFO L168 Benchmark]: Toolchain (without parser) took 20096.55 ms. Allocated memory was 117.4 MB in the beginning and 308.3 MB in the end (delta: 190.8 MB). Free memory was 87.4 MB in the beginning and 277.5 MB in the end (delta: -190.1 MB). Peak memory consumption was 930.9 kB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,982 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:42:48,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.85 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 87.0 MB in the beginning and 120.5 MB in the end (delta: -33.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 146.8 MB. Free memory was 120.5 MB in the beginning and 119.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:42:48,988 INFO L168 Benchmark]: Boogie Preprocessor took 48.01 ms. Allocated memory is still 146.8 MB. Free memory was 119.3 MB in the beginning and 117.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,988 INFO L168 Benchmark]: RCFGBuilder took 686.22 ms. Allocated memory is still 146.8 MB. Free memory was 117.8 MB in the beginning and 102.3 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,988 INFO L168 Benchmark]: TraceAbstraction took 18836.67 ms. Allocated memory was 146.8 MB in the beginning and 308.3 MB in the end (delta: 161.5 MB). Free memory was 101.6 MB in the beginning and 280.6 MB in the end (delta: -179.0 MB). Peak memory consumption was 134.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,988 INFO L168 Benchmark]: Witness Printer took 79.34 ms. Allocated memory is still 308.3 MB. Free memory was 280.6 MB in the beginning and 277.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:48,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.85 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 87.0 MB in the beginning and 120.5 MB in the end (delta: -33.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.37 ms. Allocated memory is still 146.8 MB. Free memory was 120.5 MB in the beginning and 119.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.01 ms. Allocated memory is still 146.8 MB. Free memory was 119.3 MB in the beginning and 117.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 686.22 ms. Allocated memory is still 146.8 MB. Free memory was 117.8 MB in the beginning and 102.3 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18836.67 ms. Allocated memory was 146.8 MB in the beginning and 308.3 MB in the end (delta: 161.5 MB). Free memory was 101.6 MB in the beginning and 280.6 MB in the end (delta: -179.0 MB). Peak memory consumption was 134.1 MB. Max. memory is 16.1 GB. * Witness Printer took 79.34 ms. Allocated memory is still 308.3 MB. Free memory was 280.6 MB in the beginning and 277.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] i=0 VAL [N=3] [L31] COND TRUE i