./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8 --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 7c423fd522e95226e38270ab4d82928946afe4ab8940cfd611684a61e552aff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:14,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:14,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:14,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:14,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:14,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:14,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:14,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:14,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:14,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:14,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:14,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:14,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:14,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:14,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:14,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:14,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:14,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:14,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:14,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:14,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:14,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:14,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:14,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:14,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:14,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:14,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:14,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:14,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:14,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:14,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:14,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:14,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:14,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:14,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:14,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:14,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:14,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:14,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:14,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:14,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:14,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:53:14,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:14,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:14,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:14,508 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:14,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:14,508 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:14,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:14,509 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:14,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:14,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:14,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:14,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:14,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:14,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:14,510 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:14,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:14,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:14,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:14,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:14,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:14,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:14,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:14,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:14,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:14,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:14,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:14,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:14,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:14,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:14,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:14,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:14,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:14,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:14,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:14,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:14,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:14,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:14,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:14,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:14,517 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_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c423fd522e95226e38270ab4d82928946afe4ab8940cfd611684a61e552aff6 [2021-11-07 00:53:14,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:14,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:14,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:14,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:14,827 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:14,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i [2021-11-07 00:53:14,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/data/3f8ca3d14/38d6d25197f440da91378373e46cb5c4/FLAG06b61c468 [2021-11-07 00:53:15,352 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:15,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/sv-benchmarks/c/array-examples/standard_partition_original_ground.i [2021-11-07 00:53:15,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/data/3f8ca3d14/38d6d25197f440da91378373e46cb5c4/FLAG06b61c468 [2021-11-07 00:53:15,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/data/3f8ca3d14/38d6d25197f440da91378373e46cb5c4 [2021-11-07 00:53:15,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:15,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:15,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:15,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:15,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:15,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:15" (1/1) ... [2021-11-07 00:53:15,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e816ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:15, skipping insertion in model container [2021-11-07 00:53:15,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:15" (1/1) ... [2021-11-07 00:53:15,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:15,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:15,978 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_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/sv-benchmarks/c/array-examples/standard_partition_original_ground.i[827,840] [2021-11-07 00:53:15,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:16,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:16,009 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_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/sv-benchmarks/c/array-examples/standard_partition_original_ground.i[827,840] [2021-11-07 00:53:16,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:16,033 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:16,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16 WrapperNode [2021-11-07 00:53:16,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:16,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:16,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:16,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:16,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:16,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:16,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:16,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:16,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:16,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:16,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:16,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:16,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (1/1) ... [2021-11-07 00:53:16,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:16,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:16,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:16,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:53:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:53:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:53:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:53:16,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:16,681 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 00:53:16,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:16 BoogieIcfgContainer [2021-11-07 00:53:16,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:16,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:16,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:16,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:16,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:15" (1/3) ... [2021-11-07 00:53:16,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45844bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:16, skipping insertion in model container [2021-11-07 00:53:16,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:16" (2/3) ... [2021-11-07 00:53:16,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45844bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:16, skipping insertion in model container [2021-11-07 00:53:16,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:16" (3/3) ... [2021-11-07 00:53:16,692 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_partition_original_ground.i [2021-11-07 00:53:16,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:16,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 00:53:16,747 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:16,754 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:53:16,754 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 00:53:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 00:53:16,772 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:16,773 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 00:53:16,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:16,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash -765079275, now seen corresponding path program 1 times [2021-11-07 00:53:16,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:16,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546319397] [2021-11-07 00:53:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:16,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:16,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:16,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546319397] [2021-11-07 00:53:16,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546319397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:16,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:16,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:53:16,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172779081] [2021-11-07 00:53:16,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:16,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:17,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:17,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:17,012 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:17,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:17,031 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2021-11-07 00:53:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:17,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 00:53:17,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:17,040 INFO L225 Difference]: With dead ends: 27 [2021-11-07 00:53:17,041 INFO L226 Difference]: Without dead ends: 14 [2021-11-07 00:53:17,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-07 00:53:17,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-07 00:53:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 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) [2021-11-07 00:53:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-07 00:53:17,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 6 [2021-11-07 00:53:17,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:17,070 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-07 00:53:17,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-07 00:53:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 00:53:17,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:17,071 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:17,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:53:17,072 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1711385358, now seen corresponding path program 1 times [2021-11-07 00:53:17,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:17,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477871751] [2021-11-07 00:53:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:17,123 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:17,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477871751] [2021-11-07 00:53:17,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477871751] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:17,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067671223] [2021-11-07 00:53:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:17,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:17,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:17,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:53:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:17,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:17,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 00:53:17,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 00:53:17,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067671223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:17,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:53:17,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 5 [2021-11-07 00:53:17,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527687605] [2021-11-07 00:53:17,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:17,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:17,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:17,326 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:17,349 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2021-11-07 00:53:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:53:17,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 00:53:17,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:17,351 INFO L225 Difference]: With dead ends: 26 [2021-11-07 00:53:17,351 INFO L226 Difference]: Without dead ends: 16 [2021-11-07 00:53:17,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-07 00:53:17,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-07 00:53:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-07 00:53:17,364 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 7 [2021-11-07 00:53:17,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:17,365 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-07 00:53:17,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-07 00:53:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:53:17,372 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:17,373 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:17,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 00:53:17,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:17,574 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:17,575 INFO L85 PathProgramCache]: Analyzing trace with hash -396063282, now seen corresponding path program 1 times [2021-11-07 00:53:17,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:17,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950867889] [2021-11-07 00:53:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 00:53:17,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:17,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950867889] [2021-11-07 00:53:17,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950867889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:17,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460587644] [2021-11-07 00:53:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:17,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:17,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:53:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:17,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:53:17,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 00:53:17,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 00:53:17,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460587644] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:17,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1613237208] [2021-11-07 00:53:17,857 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:17,857 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:17,866 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:17,873 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:17,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:17,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:17,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:17,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:17,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:17,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:17,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:17,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:17,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:17,997 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_31|]} [2021-11-07 00:53:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:18,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,043 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,180 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:18,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:18,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:18,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:18,189 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:18,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,224 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:18,244 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:18,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:18,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:18,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:18,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:18,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:18,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:18,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:18,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:18,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:53:18,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:18,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:18,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:53:18,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:53:18,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:53:18,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:18,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:18,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:18,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:53:18,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:53:18,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:18,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:18,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:18,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:18,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:18,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:53:18,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:18,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:53:18,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:53:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:53:18,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:18,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:18,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:18,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:18,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:18,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:18,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:18,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:18,880 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:53:18,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:53:18,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:18,891 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:53:18,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:18,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,005 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:19,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:19,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:19,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:19,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:19,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:19,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:19,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:19,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:19,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,035 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:19,045 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:19,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:19,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:19,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 00:53:19,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:19,079 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:19,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 24 [2021-11-07 00:53:19,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:19,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:19,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:19,109 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:19,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-07 00:53:19,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:19,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:19,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-07 00:53:19,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:19,127 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:174, output treesize:161 [2021-11-07 00:53:19,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,169 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:19,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:19,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:19,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:19,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:19,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:19,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:19,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:19,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:19,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:19,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:19,231 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:19,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:19,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:19,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:19,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,265 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:19,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:19,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:19,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:19,269 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:19,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:19,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:19,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:19,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:19,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:19,293 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:19,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:19,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:19,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 00:53:19,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204829893] [2021-11-07 00:53:19,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 00:53:19,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:19,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 00:53:19,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:53:19,965 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 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) [2021-11-07 00:53:19,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:19,981 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2021-11-07 00:53:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:19,982 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 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) Word has length 9 [2021-11-07 00:53:19,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:19,982 INFO L225 Difference]: With dead ends: 32 [2021-11-07 00:53:19,982 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 00:53:19,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:53:19,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 00:53:19,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-07 00:53:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 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) [2021-11-07 00:53:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-11-07 00:53:19,987 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 9 [2021-11-07 00:53:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:19,987 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-07 00:53:19,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 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) [2021-11-07 00:53:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-07 00:53:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 00:53:19,988 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:19,989 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:20,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:20,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:20,202 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:20,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash 92664917, now seen corresponding path program 2 times [2021-11-07 00:53:20,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:20,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573641202] [2021-11-07 00:53:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:20,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 00:53:20,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:20,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573641202] [2021-11-07 00:53:20,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573641202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:20,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310993595] [2021-11-07 00:53:20,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:53:20,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:20,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:20,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:53:20,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 00:53:20,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:53:20,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:53:20,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 00:53:20,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 00:53:20,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310993595] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:20,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1343884093] [2021-11-07 00:53:20,484 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:20,485 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:20,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:20,485 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:20,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:20,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:20,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:20,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:20,511 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_32|]} [2021-11-07 00:53:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:20,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:20,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,625 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:20,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:20,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:20,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:20,631 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:20,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:20,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:20,645 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:20,650 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:20,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:20,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:20,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:20,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:20,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:20,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:20,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:20,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:20,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:20,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:20,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:53:20,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:20,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:20,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:20,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:53:20,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:53:20,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:53:20,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:20,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:20,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:20,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:20,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:20,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:20,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:20,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:20,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:53:20,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:53:20,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:53:20,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:20,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:20,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:53:20,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:53:20,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:21,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:21,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:21,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:21,007 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:21,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:21,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:53:21,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:21,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:21,037 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,118 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:53:21,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:53:21,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:21,128 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:53:21,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,231 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:21,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:21,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:21,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:21,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:21,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:21,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:21,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:21,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,263 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:21,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:21,275 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:21,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:21,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:21,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:21,303 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:21,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:21,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:21,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:21,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,331 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:21,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:21,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:21,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:21,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:21,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:21,370 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:21,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:21,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:21,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:21,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:21,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:21,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 00:53:21,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:21,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:21,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:53:21,473 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:21,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:21,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:21,489 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 39 treesize of output 29 [2021-11-07 00:53:21,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,546 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:21,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:21,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,552 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:21,572 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:21,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:21,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,576 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,614 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:53:21,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:53:21,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:21,620 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:53:21,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,665 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:21,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:21,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:21,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:21,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:21,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:21,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:21,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:21,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:21,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:21,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:21,726 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:21,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:21,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:21,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,756 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:21,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:21,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:21,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:21,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:21,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:21,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:21,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:21,792 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:21,801 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:22,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:22,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:22,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-11-07 00:53:22,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130803463] [2021-11-07 00:53:22,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:53:22,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:53:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-07 00:53:22,455 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:22,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:22,541 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-11-07 00:53:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 00:53:22,542 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 00:53:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:22,542 INFO L225 Difference]: With dead ends: 37 [2021-11-07 00:53:22,542 INFO L226 Difference]: Without dead ends: 24 [2021-11-07 00:53:22,543 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2021-11-07 00:53:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-07 00:53:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-07 00:53:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-07 00:53:22,547 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2021-11-07 00:53:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:22,547 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-07 00:53:22,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-07 00:53:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 00:53:22,548 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:22,548 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:22,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:22,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-07 00:53:22,749 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:22,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1603044622, now seen corresponding path program 3 times [2021-11-07 00:53:22,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:22,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683407194] [2021-11-07 00:53:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:22,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:22,836 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:22,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683407194] [2021-11-07 00:53:22,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683407194] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:22,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735743344] [2021-11-07 00:53:22,837 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 00:53:22,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:22,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:22,850 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:22,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:53:22,922 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 00:53:22,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:53:22,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:53:22,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:22,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:23,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735743344] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:23,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1055137689] [2021-11-07 00:53:23,091 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:23,092 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:23,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:23,092 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:23,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:23,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:23,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:23,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:23,117 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_33|]} [2021-11-07 00:53:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:23,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:23,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:23,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,218 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:23,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:23,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:23,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:23,226 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:23,249 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,249 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:23,257 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:23,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:23,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:23,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:23,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:53:23,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:53:23,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 00:53:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 00:53:23,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:23,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:23,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 00:53:23,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 00:53:23,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:23,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:23,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-07 00:53:23,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 00:53:23,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 00:53:23,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:23,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:23,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:23,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:23,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:23,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:23,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:23,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:23,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:23,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:23,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:53:23,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:53:23,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-07 00:53:23,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-07 00:53:23,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-07 00:53:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:23,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:23,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:23,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 50 [2021-11-07 00:53:23,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:23,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:23,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,636 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-07 00:53:23,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 00:53:23,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:23,647 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-07 00:53:23,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,718 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:23,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:23,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:23,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:23,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:23,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:23,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:23,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:23,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:23,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:23,755 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:23,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:23,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:23,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:23,780 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:23,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:23,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:23,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:23,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,802 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:23,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:23,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:23,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:23,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:23,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:23,820 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:23,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:23,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:23,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:23,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:23,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-07 00:53:23,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:23,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:23,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:23,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:53:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:23,908 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 39 treesize of output 29 [2021-11-07 00:53:23,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:23,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:23,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,934 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:23,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:23,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:23,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:23,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,984 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:23,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:23,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:23,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:23,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:23,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:23,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:24,008 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:24,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:24,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:24,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:24,012 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:24,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,049 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:53:24,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:53:24,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:24,054 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:53:24,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,102 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:24,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:24,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:24,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:24,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:24,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:24,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:24,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:24,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:24,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:24,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:24,151 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:24,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:24,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:24,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:24,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:24,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,179 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:24,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:24,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:24,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:24,182 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:24,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:24,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:24,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:24,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:24,192 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:24,199 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:24,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:24,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:24,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2021-11-07 00:53:24,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47938099] [2021-11-07 00:53:24,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 00:53:24,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:24,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 00:53:24,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2021-11-07 00:53:24,892 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:24,928 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2021-11-07 00:53:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 00:53:24,928 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 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 [2021-11-07 00:53:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:24,932 INFO L225 Difference]: With dead ends: 48 [2021-11-07 00:53:24,932 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 00:53:24,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2021-11-07 00:53:24,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 00:53:24,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 00:53:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2021-11-07 00:53:24,947 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 17 [2021-11-07 00:53:24,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:24,947 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2021-11-07 00:53:24,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-07 00:53:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 00:53:24,948 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:24,949 INFO L513 BasicCegarLoop]: trace histogram [12, 6, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:24,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:25,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-11-07 00:53:25,166 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1155155243, now seen corresponding path program 4 times [2021-11-07 00:53:25,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:25,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988598088] [2021-11-07 00:53:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:25,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:25,392 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:25,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988598088] [2021-11-07 00:53:25,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988598088] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:25,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028556506] [2021-11-07 00:53:25,393 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 00:53:25,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:25,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:25,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:25,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:53:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:25,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 00:53:25,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:25,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:25,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028556506] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:25,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [665613665] [2021-11-07 00:53:25,899 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:25,899 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:25,900 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:25,900 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:25,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:25,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:25,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:25,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:25,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:25,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:25,918 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_34|]} [2021-11-07 00:53:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:25,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:25,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:25,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:25,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:25,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:25,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,004 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:26,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:26,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:26,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:26,015 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:26,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,029 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:26,034 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:26,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:26,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:26,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:26,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:26,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:26,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:26,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:26,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:26,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:53:26,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:26,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:26,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:26,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:26,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:53:26,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:53:26,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:53:26,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:26,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:26,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:26,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:26,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:26,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:26,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:26,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:53:26,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:53:26,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:53:26,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:53:26,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:53:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:53:26,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:26,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:26,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:26,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:26,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:26,314 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,373 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:53:26,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:53:26,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:26,395 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:53:26,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,461 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:26,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:26,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:26,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:26,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:26,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:26,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:26,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:26,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:26,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:26,489 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:26,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:26,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:26,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:26,510 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:26,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:26,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:26,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:26,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,531 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:26,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:26,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:26,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:26,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:26,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:26,543 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:26,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:26,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:26,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-07 00:53:26,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:26,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:53:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:26,642 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 39 treesize of output 29 [2021-11-07 00:53:26,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,666 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:26,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:26,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,669 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,714 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:26,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:26,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,717 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:26,736 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:26,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:26,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,740 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,774 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:53:26,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:53:26,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:26,779 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:53:26,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,814 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:26,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:26,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:26,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:26,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:26,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:26,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:26,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:26,861 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:26,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:26,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:26,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,889 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:26,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:26,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:26,893 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:26,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:26,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:26,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:26,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:26,902 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:26,910 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:27,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:27,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:27,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 28 [2021-11-07 00:53:27,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745808679] [2021-11-07 00:53:27,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 00:53:27,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:27,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 00:53:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=700, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 00:53:27,529 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:27,591 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2021-11-07 00:53:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 00:53:27,592 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 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 24 [2021-11-07 00:53:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:27,593 INFO L225 Difference]: With dead ends: 62 [2021-11-07 00:53:27,593 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 00:53:27,594 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=422, Invalid=700, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 00:53:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 00:53:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-07 00:53:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 44 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2021-11-07 00:53:27,600 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2021-11-07 00:53:27,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:27,600 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2021-11-07 00:53:27,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-11-07 00:53:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 00:53:27,602 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:27,602 INFO L513 BasicCegarLoop]: trace histogram [26, 6, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:27,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:27,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-11-07 00:53:27,826 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:27,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash 304665781, now seen corresponding path program 5 times [2021-11-07 00:53:27,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:27,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359714167] [2021-11-07 00:53:27,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:27,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 00:53:28,267 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:28,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359714167] [2021-11-07 00:53:28,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359714167] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:28,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337349748] [2021-11-07 00:53:28,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:53:28,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:28,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:28,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:28,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:53:28,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 00:53:28,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:53:28,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 00:53:28,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-07 00:53:28,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-07 00:53:28,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337349748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:28,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [718095282] [2021-11-07 00:53:28,947 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:28,947 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:28,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:28,948 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:28,948 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:28,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:28,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:28,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:28,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:28,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:28,960 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 55=[|v_#valid_35|]} [2021-11-07 00:53:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:28,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:28,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:28,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:28,983 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:28,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:28,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:28,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,052 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:29,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:29,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:29,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:29,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:29,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,085 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:29,089 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:29,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:29,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:29,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:29,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:53:29,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:53:29,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 00:53:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 00:53:29,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:29,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:29,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 00:53:29,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,133 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 00:53:29,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:29,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:29,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:29,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:29,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-07 00:53:29,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 00:53:29,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 00:53:29,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:29,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:29,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:29,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:29,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:29,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:29,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:29,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:53:29,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:53:29,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-07 00:53:29,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-07 00:53:29,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-07 00:53:29,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:29,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:29,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:29,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 50 [2021-11-07 00:53:29,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:29,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:29,369 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,432 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-07 00:53:29,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 00:53:29,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:29,440 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-07 00:53:29,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,518 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:29,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:29,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:29,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:29,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:29,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:29,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:29,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:29,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:29,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:29,556 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:29,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:29,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:29,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:29,580 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:29,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:29,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:29,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:29,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,603 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:29,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:29,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:29,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:29,606 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:29,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:29,616 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:29,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:29,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:29,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:29,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:29,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 00:53:29,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:29,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:53:29,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:29,706 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:29,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:29,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,733 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:29,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:29,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,736 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,779 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:29,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:29,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,782 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:29,792 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 39 treesize of output 29 [2021-11-07 00:53:29,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,795 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,826 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:53:29,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:53:29,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:29,830 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:53:29,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,862 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:29,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:29,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:29,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:29,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:29,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:29,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:29,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:29,908 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:29,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:29,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:29,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,935 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:29,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:29,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:29,939 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:29,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:29,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:29,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:29,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:29,948 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:29,956 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:30,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:30,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:30,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 8, 8] total 42 [2021-11-07 00:53:30,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198785944] [2021-11-07 00:53:30,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-07 00:53:30,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-07 00:53:30,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 00:53:30,572 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:31,196 INFO L93 Difference]: Finished difference Result 71 states and 85 transitions. [2021-11-07 00:53:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 00:53:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 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 38 [2021-11-07 00:53:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:31,198 INFO L225 Difference]: With dead ends: 71 [2021-11-07 00:53:31,198 INFO L226 Difference]: Without dead ends: 54 [2021-11-07 00:53:31,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1716, Invalid=3834, Unknown=0, NotChecked=0, Total=5550 [2021-11-07 00:53:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-07 00:53:31,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-07 00:53:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 53 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2021-11-07 00:53:31,208 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 38 [2021-11-07 00:53:31,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:31,209 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2021-11-07 00:53:31,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2021-11-07 00:53:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 00:53:31,211 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:31,211 INFO L513 BasicCegarLoop]: trace histogram [27, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:31,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:31,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:31,430 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:31,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:31,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1687573934, now seen corresponding path program 6 times [2021-11-07 00:53:31,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:31,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130873449] [2021-11-07 00:53:31,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:31,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:31,899 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:31,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130873449] [2021-11-07 00:53:31,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130873449] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:31,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55064339] [2021-11-07 00:53:31,900 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 00:53:31,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:31,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:31,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:31,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:53:32,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 00:53:32,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:53:32,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-07 00:53:32,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:32,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:33,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55064339] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:33,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1712567353] [2021-11-07 00:53:33,315 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:33,315 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:33,315 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:33,315 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:33,316 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:33,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:33,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:33,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:33,349 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 55=[|v_#valid_36|]} [2021-11-07 00:53:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:33,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:33,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:33,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,435 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:33,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:33,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:33,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:33,442 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:33,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,453 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:33,456 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:33,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:33,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:53:33,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:33,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:33,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:53:33,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 00:53:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 00:53:33,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:33,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:33,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 00:53:33,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,503 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 00:53:33,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:33,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:33,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:33,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:33,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-07 00:53:33,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 00:53:33,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 00:53:33,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:33,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:33,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:33,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:53:33,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:53:33,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:33,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:33,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:33,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:33,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:33,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-07 00:53:33,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-07 00:53:33,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-07 00:53:33,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:33,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:33,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:33,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:33,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 50 [2021-11-07 00:53:33,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:33,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:33,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,763 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-07 00:53:33,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 00:53:33,770 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:33,770 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-07 00:53:33,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,839 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:33,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:33,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:33,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:33,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:33,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:33,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:33,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:33,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:33,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:33,866 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:33,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:33,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:33,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:33,888 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:33,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:33,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:33,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:33,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,925 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:33,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:33,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:33,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:33,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:33,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:33,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:33,936 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:33,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:33,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:33,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:33,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:33,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:33,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:33,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:33,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-11-07 00:53:33,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:33,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:33,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:33,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:33,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:33,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:33,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-11-07 00:53:34,021 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-07 00:53:34,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-07 00:53:34,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:34,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:34,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,063 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:34,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:34,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:34,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:34,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:34,102 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:34,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2021-11-07 00:53:34,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:34,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:34,105 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:34,133 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 34 treesize of output 24 [2021-11-07 00:53:34,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:34,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:34,136 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,165 INFO L180 QuantifierPusher]: treesize reduction 182, result has 64.5 percent of original size [2021-11-07 00:53:34,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 00:53:34,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:34,169 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:532, output treesize:331 [2021-11-07 00:53:34,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,202 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:34,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:34,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:34,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:34,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:34,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:34,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:34,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:34,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:34,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:34,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:34,244 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:34,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:34,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:34,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:34,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,269 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:34,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:34,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:34,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:34,272 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:34,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:34,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:34,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:34,281 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:34,281 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:34,289 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:34,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:34,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:34,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 58 [2021-11-07 00:53:34,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93701183] [2021-11-07 00:53:34,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-11-07 00:53:34,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:34,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-11-07 00:53:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1727, Invalid=2305, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 00:53:34,916 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:35,027 INFO L93 Difference]: Finished difference Result 108 states and 142 transitions. [2021-11-07 00:53:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 00:53:35,027 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 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 47 [2021-11-07 00:53:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:35,029 INFO L225 Difference]: With dead ends: 108 [2021-11-07 00:53:35,029 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 00:53:35,031 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1727, Invalid=2305, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 00:53:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 00:53:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-07 00:53:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 81 states have (on average 1.0617283950617284) internal successors, (86), 82 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2021-11-07 00:53:35,039 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 47 [2021-11-07 00:53:35,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:35,040 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2021-11-07 00:53:35,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2021-11-07 00:53:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 00:53:35,042 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:35,042 INFO L513 BasicCegarLoop]: trace histogram [56, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:35,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:35,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:35,262 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:35,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -329288811, now seen corresponding path program 7 times [2021-11-07 00:53:35,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:35,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286438649] [2021-11-07 00:53:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:35,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:36,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:36,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286438649] [2021-11-07 00:53:36,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286438649] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:36,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256288119] [2021-11-07 00:53:36,797 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 00:53:36,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:36,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:36,798 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 00:53:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:37,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-07 00:53:37,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:37,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:40,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256288119] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:40,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1871460353] [2021-11-07 00:53:40,651 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:40,651 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:40,651 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:40,652 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:40,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:40,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:40,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:40,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:40,672 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 55=[|v_#valid_37|]} [2021-11-07 00:53:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:40,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:40,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:40,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:40,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,764 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:40,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:40,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:40,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:40,769 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:40,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:40,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:40,783 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:40,789 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:40,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:40,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:40,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:40,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 00:53:40,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 00:53:40,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-07 00:53:40,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:40,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 00:53:40,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:40,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:40,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:40,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 00:53:40,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:40,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-07 00:53:40,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:40,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:40,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:40,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-07 00:53:40,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 00:53:40,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 00:53:40,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:40,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:40,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:40,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:40,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:40,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:40,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:40,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:40,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:40,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 00:53:40,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 00:53:40,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 00:53:40,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-07 00:53:40,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:40,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:40,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-07 00:53:40,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-07 00:53:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:41,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 50 [2021-11-07 00:53:41,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:41,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 00:53:41,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:41,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:41,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:41,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:41,043 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,125 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-07 00:53:41,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-07 00:53:41,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:41,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-07 00:53:41,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,214 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:41,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:41,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:41,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:41,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:41,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:41,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:41,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:41,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:41,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,232 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:41,238 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:41,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:41,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:41,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-07 00:53:41,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:41,263 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:41,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-07 00:53:41,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:41,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:41,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:41,284 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:41,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 24 [2021-11-07 00:53:41,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:41,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:41,287 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-07 00:53:41,294 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:41,294 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:174, output treesize:161 [2021-11-07 00:53:41,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,320 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:41,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:41,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:41,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:41,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:41,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:41,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:41,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:41,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:41,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:41,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:41,360 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:41,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:41,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:41,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:41,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,385 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:41,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:41,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:41,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:41,388 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:41,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:41,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:41,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:41,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:41,396 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:41,403 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:42,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:42,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:42,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 116 [2021-11-07 00:53:42,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644850351] [2021-11-07 00:53:42,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2021-11-07 00:53:42,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-11-07 00:53:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6802, Invalid=7960, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 00:53:42,143 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:42,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:42,402 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2021-11-07 00:53:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-07 00:53:42,403 INFO L78 Accepts]: Start accepts. Automaton has has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 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 76 [2021-11-07 00:53:42,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:42,407 INFO L225 Difference]: With dead ends: 166 [2021-11-07 00:53:42,408 INFO L226 Difference]: Without dead ends: 141 [2021-11-07 00:53:42,413 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=6802, Invalid=7960, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 00:53:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-07 00:53:42,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-11-07 00:53:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 139 states have (on average 1.0359712230215827) internal successors, (144), 140 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 144 transitions. [2021-11-07 00:53:42,450 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 144 transitions. Word has length 76 [2021-11-07 00:53:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:42,451 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 144 transitions. [2021-11-07 00:53:42,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 144 transitions. [2021-11-07 00:53:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-07 00:53:42,456 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:42,456 INFO L513 BasicCegarLoop]: trace histogram [114, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:42,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:42,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable215 [2021-11-07 00:53:42,674 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:42,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:42,675 INFO L85 PathProgramCache]: Analyzing trace with hash -415436235, now seen corresponding path program 8 times [2021-11-07 00:53:42,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:42,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79097648] [2021-11-07 00:53:42,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:42,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 00:53:47,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:47,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79097648] [2021-11-07 00:53:47,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79097648] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:53:47,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810573722] [2021-11-07 00:53:47,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:53:47,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:47,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:47,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:47,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 00:53:51,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-07 00:53:51,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:53:51,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 00:53:51,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:52,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-07 00:53:52,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-07 00:53:53,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810573722] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:53,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1854029674] [2021-11-07 00:53:53,818 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:53:53,818 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:53:53,819 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:53:53,819 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:53:53,819 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:53:53,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:53:53,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:53:53,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:53:53,845 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 55=[|v_#valid_38|]} [2021-11-07 00:53:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:53:53,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:53,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:53,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:53,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:53,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,923 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:53:53,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:53:53,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:53,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:53:53,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:53,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:53,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:53:53,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:53,933 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:53:53,936 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:53:53,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:53,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:53,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:53,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:53,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:53,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:53,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:53,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:53,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:53,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:53,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:53,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:53,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:53,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:53:53,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,004 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:53:54,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:54,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:54,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:54,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:54,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:53:54,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:53:54,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:53:54,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:54,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:54,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:53:54,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:53:54,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:53:54,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:54,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:53:54,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:54,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:54,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:53:54,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:53:54,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:53:54,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:53:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:53:54,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:54,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:53:54,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:53:54,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:54,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:54,203 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,260 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:53:54,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:53:54,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:54,267 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:53:54,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,335 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:53:54,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:53:54,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:53:54,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:53:54,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:54,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:53:54,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:54,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:53:54,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:53:54,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:53:54,360 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:53:54,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:53:54,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:53:54,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:53:54,381 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:54,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:53:54,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:54,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:53:54,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,401 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:53:54,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:53:54,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:54,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:53:54,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:53:54,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:54,411 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:53:54,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:54,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:54,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:54,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-11-07 00:53:54,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:54,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:53:54,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:54,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-11-07 00:53:54,499 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:54,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:54,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:53:54,541 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:53:54,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2021-11-07 00:53:54,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:54,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 00:53:54,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:53:54,570 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 34 treesize of output 24 [2021-11-07 00:53:54,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:54,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 00:53:54,572 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,635 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-07 00:53:54,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-07 00:53:54,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:54,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:53:54,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,670 INFO L180 QuantifierPusher]: treesize reduction 182, result has 64.5 percent of original size [2021-11-07 00:53:54,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 00:53:54,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:53:54,674 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:532, output treesize:331 [2021-11-07 00:53:54,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,707 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:53:54,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:53:54,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:53:54,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:53:54,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:53:54,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:53:54,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:53:54,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:53:54,740 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:54,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:53:54,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:53:54,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,760 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:53:54,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:53:54,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:54,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:53:54,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:53:54,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:54,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:53:54,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:53:54,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:53:54,782 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:53:54,793 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:53:55,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:53:55,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:53:55,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 16, 16] total 146 [2021-11-07 00:53:55,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369989692] [2021-11-07 00:53:55,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2021-11-07 00:53:55,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:55,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2021-11-07 00:53:55,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7327, Invalid=15625, Unknown=0, NotChecked=0, Total=22952 [2021-11-07 00:53:55,726 INFO L87 Difference]: Start difference. First operand 141 states and 144 transitions. Second operand has 147 states, 147 states have (on average 1.0680272108843538) internal successors, (157), 146 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:01,374 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2021-11-07 00:54:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-07 00:54:01,375 INFO L78 Accepts]: Start accepts. Automaton has has 147 states, 147 states have (on average 1.0680272108843538) internal successors, (157), 146 states have internal predecessors, (157), 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 134 [2021-11-07 00:54:01,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:01,377 INFO L225 Difference]: With dead ends: 183 [2021-11-07 00:54:01,377 INFO L226 Difference]: Without dead ends: 158 [2021-11-07 00:54:01,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 265 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11008 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=24232, Invalid=46790, Unknown=0, NotChecked=0, Total=71022 [2021-11-07 00:54:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-07 00:54:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-11-07 00:54:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 156 states have (on average 1.0320512820512822) internal successors, (161), 157 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 161 transitions. [2021-11-07 00:54:01,397 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 161 transitions. Word has length 134 [2021-11-07 00:54:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:01,397 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 161 transitions. [2021-11-07 00:54:01,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 1.0680272108843538) internal successors, (157), 146 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 161 transitions. [2021-11-07 00:54:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-07 00:54:01,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:01,401 INFO L513 BasicCegarLoop]: trace histogram [115, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:01,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:01,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:54:01,602 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:01,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1051841070, now seen corresponding path program 9 times [2021-11-07 00:54:01,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:54:01,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345555] [2021-11-07 00:54:01,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:01,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:54:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:54:06,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:54:06,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345555] [2021-11-07 00:54:06,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345555] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:54:06,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340219312] [2021-11-07 00:54:06,455 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 00:54:06,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:54:06,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:06,456 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:54:06,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 00:54:06,845 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 00:54:06,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 00:54:06,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-07 00:54:06,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:54:07,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:54:20,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340219312] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:20,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1317827639] [2021-11-07 00:54:20,772 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:54:20,772 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:54:20,772 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:54:20,773 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:54:20,773 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:54:20,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:54:20,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:54:20,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:54:20,786 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 55=[|v_#valid_39|]} [2021-11-07 00:54:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:54:20,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:20,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:20,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:20,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:20,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,883 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:54:20,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:54:20,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:54:20,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:54:20,890 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:20,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:54:20,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:54:20,900 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:54:20,904 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:54:20,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:54:20,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:20,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:54:20,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:20,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:20,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:54:20,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:54:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:20,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:54:20,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:54:20,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:54:20,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:20,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:20,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:20,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:54:20,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:54:20,970 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:54:20,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:20,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:54:21,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:54:21,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:54:21,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:54:21,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:54:21,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:54:21,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:21,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:54:21,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:21,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:54:21,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:54:21,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:54:21,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:54:21,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:54:21,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:54:21,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:54:21,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:54:21,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:54:21,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:54:21,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:54:21,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:54:21,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:54:21,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:54:21,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:54:21,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:54:21,187 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,239 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:54:21,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:54:21,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:54:21,246 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:54:21,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,302 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:54:21,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:54:21,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:54:21,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:54:21,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:54:21,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:54:21,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:54:21,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:54:21,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:54:21,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,320 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:54:21,327 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:54:21,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:54:21,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:54:21,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:54:21,350 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:54:21,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:54:21,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:54:21,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:54:21,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,371 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:54:21,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:54:21,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:54:21,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:54:21,374 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:54:21,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:54:21,382 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:54:21,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:54:21,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:54:21,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-07 00:54:21,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:54:21,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:54:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:21,448 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 39 treesize of output 29 [2021-11-07 00:54:21,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,472 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:54:21,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:54:21,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,474 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,515 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:54:21,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:54:21,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,518 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:54:21,538 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:54:21,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:54:21,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,541 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,603 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:54:21,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:54:21,607 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:54:21,608 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:54:21,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,639 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:54:21,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:54:21,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:54:21,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:54:21,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:54:21,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:54:21,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:54:21,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:54:21,689 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:54:21,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:54:21,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:54:21,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,716 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:54:21,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:54:21,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:54:21,719 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:54:21,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:21,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:21,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:54:21,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:54:21,728 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:54:21,736 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:54:22,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:54:22,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:54:22,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 117] total 234 [2021-11-07 00:54:22,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957092097] [2021-11-07 00:54:22,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2021-11-07 00:54:22,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:54:22,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2021-11-07 00:54:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27511, Invalid=29849, Unknown=0, NotChecked=0, Total=57360 [2021-11-07 00:54:22,736 INFO L87 Difference]: Start difference. First operand 158 states and 161 transitions. Second operand has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:23,430 INFO L93 Difference]: Finished difference Result 316 states and 438 transitions. [2021-11-07 00:54:23,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-11-07 00:54:23,431 INFO L78 Accepts]: Start accepts. Automaton has has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 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 151 [2021-11-07 00:54:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:23,433 INFO L225 Difference]: With dead ends: 316 [2021-11-07 00:54:23,433 INFO L226 Difference]: Without dead ends: 275 [2021-11-07 00:54:23,436 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2200 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=27511, Invalid=29849, Unknown=0, NotChecked=0, Total=57360 [2021-11-07 00:54:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-07 00:54:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-11-07 00:54:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 273 states have (on average 1.0183150183150182) internal successors, (278), 274 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 278 transitions. [2021-11-07 00:54:23,452 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 278 transitions. Word has length 151 [2021-11-07 00:54:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:23,453 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 278 transitions. [2021-11-07 00:54:23,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 278 transitions. [2021-11-07 00:54:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-07 00:54:23,458 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:23,459 INFO L513 BasicCegarLoop]: trace histogram [232, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:23,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:23,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:54:23,674 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:23,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1937756523, now seen corresponding path program 10 times [2021-11-07 00:54:23,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:54:23,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250684386] [2021-11-07 00:54:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:23,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:54:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:54:41,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:54:41,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250684386] [2021-11-07 00:54:41,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250684386] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:54:41,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218221846] [2021-11-07 00:54:41,883 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 00:54:41,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:54:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:41,884 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:54:41,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 00:54:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:42,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-07 00:54:42,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:54:43,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:55:36,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218221846] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:36,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [972033809] [2021-11-07 00:55:36,528 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 00:55:36,528 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 00:55:36,529 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 00:55:36,529 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 00:55:36,529 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 00:55:36,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-07 00:55:36,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 00:55:36,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 00:55:36,543 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 55=[|v_#valid_40|]} [2021-11-07 00:55:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-07 00:55:36,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,640 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-07 00:55:36,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-07 00:55:36,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:36,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 00:55:36,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 00:55:36,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,657 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-07 00:55:36,661 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 00:55:36,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:36,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:55:36,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:36,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:36,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:55:36,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:55:36,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:36,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:36,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 00:55:36,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-07 00:55:36,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:36,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:55:36,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:36,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 00:55:36,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 00:55:36,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-07 00:55:36,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:36,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 00:55:36,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:36,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 00:55:36,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:36,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 00:55:36,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 00:55:36,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 00:55:36,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 00:55:36,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 00:55:36,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:36,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-07 00:55:36,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-07 00:55:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 55 [2021-11-07 00:55:36,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:55:36,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 00:55:36,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:36,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 00:55:36,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:36,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 00:55:36,899 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:36,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:36,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:36,949 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-07 00:55:36,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-07 00:55:36,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:36,956 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-07 00:55:36,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,058 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-07 00:55:37,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 00:55:37,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 00:55:37,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 00:55:37,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:55:37,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 00:55:37,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:55:37,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 00:55:37,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 00:55:37,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-07 00:55:37,087 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-07 00:55:37,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 00:55:37,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 00:55:37,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-07 00:55:37,108 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:55:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-07 00:55:37,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:55:37,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-07 00:55:37,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,132 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 00:55:37,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-07 00:55:37,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:55:37,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 00:55:37,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,141 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 00:55:37,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:37,145 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-07 00:55:37,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:37,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:55:37,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2021-11-07 00:55:37,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:55:37,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-07 00:55:37,214 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:55:37,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:55:37,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:37,225 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 39 treesize of output 29 [2021-11-07 00:55:37,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,259 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:55:37,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:55:37,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,261 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:55:37,276 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 00:55:37,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:55:37,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,292 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,319 INFO L180 QuantifierPusher]: treesize reduction 210, result has 62.3 percent of original size [2021-11-07 00:55:37,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 00:55:37,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 00:55:37,321 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:573, output treesize:347 [2021-11-07 00:55:37,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,345 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-07 00:55:37,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:37,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 00:55:37,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 00:55:37,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:55:37,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 00:55:37,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 00:55:37,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 00:55:37,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 00:55:37,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-07 00:55:37,384 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:55:37,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-07 00:55:37,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 00:55:37,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,405 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 00:55:37,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-07 00:55:37,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 00:55:37,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 00:55:37,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:37,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:37,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 00:55:37,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 00:55:37,416 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-07 00:55:37,421 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 00:55:38,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:55:38,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 00:55:38,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 234, 234] total 468 [2021-11-07 00:55:38,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207660277] [2021-11-07 00:55:38,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 469 states [2021-11-07 00:55:38,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:55:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 469 interpolants. [2021-11-07 00:55:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109762, Invalid=114440, Unknown=0, NotChecked=0, Total=224202 [2021-11-07 00:55:38,800 INFO L87 Difference]: Start difference. First operand 275 states and 278 transitions. Second operand has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:42,102 INFO L93 Difference]: Finished difference Result 550 states and 789 transitions. [2021-11-07 00:55:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 468 states. [2021-11-07 00:55:42,103 INFO L78 Accepts]: Start accepts. Automaton has has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 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 268 [2021-11-07 00:55:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:42,106 INFO L225 Difference]: With dead ends: 550 [2021-11-07 00:55:42,106 INFO L226 Difference]: Without dead ends: 509 [2021-11-07 00:55:42,116 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4423 ImplicationChecksByTransitivity, 70.9s TimeCoverageRelationStatistics Valid=109762, Invalid=114440, Unknown=0, NotChecked=0, Total=224202 [2021-11-07 00:55:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-11-07 00:55:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 509. [2021-11-07 00:55:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 507 states have (on average 1.009861932938856) internal successors, (512), 508 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 512 transitions. [2021-11-07 00:55:42,137 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 512 transitions. Word has length 268 [2021-11-07 00:55:42,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:42,138 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 512 transitions. [2021-11-07 00:55:42,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 512 transitions. [2021-11-07 00:55:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-07 00:55:42,150 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:42,150 INFO L513 BasicCegarLoop]: trace histogram [466, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:42,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:42,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:55:42,378 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 368295989, now seen corresponding path program 11 times [2021-11-07 00:55:42,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:55:42,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236451483] [2021-11-07 00:55:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:42,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:55:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:56:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 109276 backedges. 0 proven. 108811 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 00:56:54,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:56:54,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236451483] [2021-11-07 00:56:54,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236451483] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:56:54,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428405767] [2021-11-07 00:56:54,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 00:56:54,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:56:54,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:56:54,480 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:56:54,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e2ac5ba-6c02-475a-bd7b-b1b7e33ace08/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process