./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH --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 d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:16:58,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:16:58,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:16:58,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:16:58,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:16:58,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:16:58,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:16:58,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:16:58,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:16:58,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:16:58,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:16:58,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:16:58,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:16:58,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:16:58,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:16:58,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:16:58,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:16:58,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:16:58,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:16:58,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:16:58,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:16:58,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:16:58,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:16:58,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:16:58,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:16:58,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:16:58,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:16:58,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:16:58,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:16:58,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:16:58,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:16:58,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:16:58,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:16:58,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:16:58,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:16:58,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:16:58,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:16:58,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:16:58,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:16:58,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:16:58,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:16:58,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:16:58,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:16:58,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:16:58,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:16:58,733 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:16:58,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:16:58,733 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:16:58,733 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:16:58,734 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:16:58,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:16:58,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:16:58,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:16:58,740 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:16:58,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:16:58,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:16:58,741 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:16:58,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:16:58,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:16:58,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:16:58,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:16:58,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:16:58,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:16:58,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:16:58,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:16:58,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:16:58,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:16:58,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:16:58,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:16:58,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:16:58,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:16:58,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:16:58,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:16:58,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:16:58,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:16:58,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:16:58,755 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:16:58,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:16:58,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:16:58,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:16:58,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:16:58,756 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_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 [2021-11-03 05:16:59,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:16:59,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:16:59,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:16:59,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:16:59,068 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:16:59,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-03 05:16:59,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/data/3c88de8af/b194866242614d9faa7f9acfd115be30/FLAG5ecb7fbcc [2021-11-03 05:16:59,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:16:59,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-03 05:16:59,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/data/3c88de8af/b194866242614d9faa7f9acfd115be30/FLAG5ecb7fbcc [2021-11-03 05:16:59,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/data/3c88de8af/b194866242614d9faa7f9acfd115be30 [2021-11-03 05:16:59,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:16:59,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:17:00,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:17:00,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:17:00,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:17:00,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:16:59" (1/1) ... [2021-11-03 05:17:00,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6b4603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00, skipping insertion in model container [2021-11-03 05:17:00,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:16:59" (1/1) ... [2021-11-03 05:17:00,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:17:00,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:17:00,198 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_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-03 05:17:00,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:17:00,224 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:17:00,234 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_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-03 05:17:00,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:17:00,254 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:17:00,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00 WrapperNode [2021-11-03 05:17:00,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:17:00,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:17:00,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:17:00,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:17:00,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:17:00,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:17:00,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:17:00,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:17:00,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:17:00,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:17:00,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:17:00,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:17:00,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (1/1) ... [2021-11-03 05:17:00,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:17:00,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:00,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:17:00,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:17:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:17:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:17:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:17:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:17:00,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:17:00,724 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-03 05:17:00,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:17:00 BoogieIcfgContainer [2021-11-03 05:17:00,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:17:00,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:17:00,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:17:00,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:17:00,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:16:59" (1/3) ... [2021-11-03 05:17:00,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39da4ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:17:00, skipping insertion in model container [2021-11-03 05:17:00,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:17:00" (2/3) ... [2021-11-03 05:17:00,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39da4ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:17:00, skipping insertion in model container [2021-11-03 05:17:00,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:17:00" (3/3) ... [2021-11-03 05:17:00,736 INFO L111 eAbstractionObserver]: Analyzing ICFG copy-2-u.c [2021-11-03 05:17:00,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:17:00,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:17:00,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:17:00,795 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 [2021-11-03 05:17:00,795 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:17:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:17:00,813 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:00,814 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:00,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1209143189, now seen corresponding path program 1 times [2021-11-03 05:17:00,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:00,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316042815] [2021-11-03 05:17:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:00,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:00,957 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:00,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091658177] [2021-11-03 05:17:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:00,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:00,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:00,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:00,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:17:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:01,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:17:01,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:17:01,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:17:01,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:01,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316042815] [2021-11-03 05:17:01,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:01,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091658177] [2021-11-03 05:17:01,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091658177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:01,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:17:01,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 05:17:01,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90172765] [2021-11-03 05:17:01,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:17:01,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:01,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:17:01,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:17:01,276 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-03 05:17:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:01,330 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2021-11-03 05:17:01,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:17:01,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 [2021-11-03 05:17:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:01,340 INFO L225 Difference]: With dead ends: 24 [2021-11-03 05:17:01,340 INFO L226 Difference]: Without dead ends: 14 [2021-11-03 05:17:01,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:17:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-03 05:17:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-03 05:17:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-03 05:17:01,375 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2021-11-03 05:17:01,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:01,375 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-03 05:17:01,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-03 05:17:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-03 05:17:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 05:17:01,377 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:01,377 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:01,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:01,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:01,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:01,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash 30848235, now seen corresponding path program 1 times [2021-11-03 05:17:01,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:01,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656003704] [2021-11-03 05:17:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:01,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:01,611 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:01,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427182506] [2021-11-03 05:17:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:01,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:01,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:01,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:17:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:01,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:17:01,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:17:01,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:17:01,826 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:01,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656003704] [2021-11-03 05:17:01,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:01,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427182506] [2021-11-03 05:17:01,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427182506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:01,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:17:01,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 05:17:01,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469228768] [2021-11-03 05:17:01,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:17:01,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:01,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:17:01,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:17:01,844 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-11-03 05:17:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:01,946 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2021-11-03 05:17:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:17:01,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 05:17:01,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:01,955 INFO L225 Difference]: With dead ends: 39 [2021-11-03 05:17:01,955 INFO L226 Difference]: Without dead ends: 28 [2021-11-03 05:17:01,956 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:17:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-03 05:17:01,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2021-11-03 05:17:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-11-03 05:17:01,974 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 11 [2021-11-03 05:17:01,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:01,975 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-11-03 05:17:01,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-11-03 05:17:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-03 05:17:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 05:17:01,977 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:01,977 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:02,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:02,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:02,190 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:02,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:02,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1663676011, now seen corresponding path program 1 times [2021-11-03 05:17:02,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:02,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253949383] [2021-11-03 05:17:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:02,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:02,198 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:02,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143919465] [2021-11-03 05:17:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:02,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:02,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:02,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:02,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:17:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:02,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:17:02,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 05:17:02,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 05:17:02,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:02,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253949383] [2021-11-03 05:17:02,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:02,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143919465] [2021-11-03 05:17:02,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143919465] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:17:02,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [409859011] [2021-11-03 05:17:02,525 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:17:02,526 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:17:02,530 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:17:02,536 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:17:02,537 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:17:02,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:02,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:17:02,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:17:02,616 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_30|]} [2021-11-03 05:17:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:17:02,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:02,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:02,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:02,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:02,842 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:17:02,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:17:02,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:02,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:02,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:02,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:02,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:17:02,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:02,892 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:17:02,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:17:02,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 05:17:02,933 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-03 05:17:02,939 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:17:02,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:02,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:02,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:02,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:17:02,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:02,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:02,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:17:03,018 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-03 05:17:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:03,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-03 05:17:03,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:03,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:03,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,117 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-03 05:17:03,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:17:03,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,132 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-03 05:17:03,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:17:03,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,466 INFO L185 QuantifierPusher]: treesize reduction 138, result has 0.7 percent of original size 1 [2021-11-03 05:17:03,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:03,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:03,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:03,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-03 05:17:03,531 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 21 treesize of output 17 [2021-11-03 05:17:03,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,546 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 21 treesize of output 17 [2021-11-03 05:17:03,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,588 INFO L180 QuantifierPusher]: treesize reduction 112, result has 59.3 percent of original size [2021-11-03 05:17:03,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 05:17:03,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:17:03,595 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:282, output treesize:184 [2021-11-03 05:17:03,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,746 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:03,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:03,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:03,761 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:17:03,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:03,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:03,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:03,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:03,793 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 21 treesize of output 17 [2021-11-03 05:17:03,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:03,805 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,805 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:17:03,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,929 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:03,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:03,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:03,943 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:17:03,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:03,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:03,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:03,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:03,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:03,966 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 21 treesize of output 17 [2021-11-03 05:17:03,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:03,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:03,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:03,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:03,976 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:17:03,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,034 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:04,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:04,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:04,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:04,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:04,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:04,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,243 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-03 05:17:04,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:04,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:17:04,280 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:17:04,304 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:17:04,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:04,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:04,341 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:17:04,348 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:17:04,359 INFO L180 QuantifierPusher]: treesize reduction 166, result has 26.5 percent of original size [2021-11-03 05:17:04,362 INFO L185 QuantifierPusher]: treesize reduction 52, result has 1.9 percent of original size 1 [2021-11-03 05:17:04,363 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:17:05,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [409859011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:17:05,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:17:05,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 12 [2021-11-03 05:17:05,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96372654] [2021-11-03 05:17:05,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:17:05,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:05,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:17:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:17:05,074 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:05,437 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2021-11-03 05:17:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:17:05,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 05:17:05,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:05,438 INFO L225 Difference]: With dead ends: 42 [2021-11-03 05:17:05,438 INFO L226 Difference]: Without dead ends: 32 [2021-11-03 05:17:05,439 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:17:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-03 05:17:05,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2021-11-03 05:17:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-11-03 05:17:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-03 05:17:05,455 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 15 [2021-11-03 05:17:05,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:05,456 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-03 05:17:05,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:17:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-03 05:17:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 05:17:05,458 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:05,458 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:05,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:05,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:05,680 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:05,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:05,681 INFO L85 PathProgramCache]: Analyzing trace with hash 629765507, now seen corresponding path program 1 times [2021-11-03 05:17:05,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:05,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742984136] [2021-11-03 05:17:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:05,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:05,687 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:05,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698357064] [2021-11-03 05:17:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:05,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:05,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:05,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:17:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:05,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:17:05,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 05:17:05,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 05:17:06,015 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:06,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742984136] [2021-11-03 05:17:06,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:06,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698357064] [2021-11-03 05:17:06,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698357064] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:17:06,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [248212508] [2021-11-03 05:17:06,020 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:17:06,020 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:17:06,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:17:06,024 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:17:06,025 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:17:06,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:06,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:17:06,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:17:06,080 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_31|]} [2021-11-03 05:17:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:17:06,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:06,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:06,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,201 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:17:06,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:17:06,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:06,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:06,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:17:06,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,221 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:17:06,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:17:06,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,249 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-03 05:17:06,253 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-03 05:17:06,256 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:17:06,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:17:06,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:17:06,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:06,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:06,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 05:17:06,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:17:06,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:06,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-03 05:17:06,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:06,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:06,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:17:06,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-03 05:17:06,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,485 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:06,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:06,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:06,499 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:17:06,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:06,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:06,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:06,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:06,517 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 21 treesize of output 17 [2021-11-03 05:17:06,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:06,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:06,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:06,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:17:06,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,621 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:06,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:06,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:06,634 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:17:06,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:06,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:06,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:06,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:06,655 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 21 treesize of output 17 [2021-11-03 05:17:06,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:06,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:06,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:06,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,667 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:17:06,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,726 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:06,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:06,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:06,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,877 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-03 05:17:06,893 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:06,908 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:06,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,940 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:17:06,944 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:17:06,954 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:17:06,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:06,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:17:06,971 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-03 05:17:06,972 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:17:06,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:06,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:17:06,978 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-03 05:17:06,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:06,996 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-03 05:17:06,996 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 27 treesize of output 27 [2021-11-03 05:17:06,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:17:06,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:06,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:17:06,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:06,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,003 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-03 05:17:07,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:17:07,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:07,005 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-03 05:17:07,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,066 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:07,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:07,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:07,076 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:17:07,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:07,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:07,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:07,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:07,099 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:07,099 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 35 [2021-11-03 05:17:07,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:07,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:07,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:07,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:07,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:07,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:17:07,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,182 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:07,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:07,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:07,190 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:17:07,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:07,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:07,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:07,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:07,211 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:07,212 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 35 [2021-11-03 05:17:07,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:07,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:07,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:07,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:07,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:07,220 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:17:07,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,273 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:07,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:07,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:07,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:07,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:17:07,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:07,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:07,383 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:17:07,388 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:17:07,395 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:17:07,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:07,402 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:17:08,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:08,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:17:08,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-03 05:17:08,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754795935] [2021-11-03 05:17:08,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:17:08,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:08,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:17:08,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:17:08,498 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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) [2021-11-03 05:17:08,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:08,676 INFO L93 Difference]: Finished difference Result 80 states and 108 transitions. [2021-11-03 05:17:08,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:17:08,676 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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) Word has length 19 [2021-11-03 05:17:08,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:08,677 INFO L225 Difference]: With dead ends: 80 [2021-11-03 05:17:08,677 INFO L226 Difference]: Without dead ends: 60 [2021-11-03 05:17:08,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2021-11-03 05:17:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-03 05:17:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2021-11-03 05:17:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 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) [2021-11-03 05:17:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-11-03 05:17:08,695 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 19 [2021-11-03 05:17:08,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:08,695 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-11-03 05:17:08,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 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) [2021-11-03 05:17:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-11-03 05:17:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 05:17:08,697 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:08,697 INFO L513 BasicCegarLoop]: trace histogram [12, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:08,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:08,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:08,910 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:08,911 INFO L85 PathProgramCache]: Analyzing trace with hash 816165891, now seen corresponding path program 2 times [2021-11-03 05:17:08,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:08,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383909424] [2021-11-03 05:17:08,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:08,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:08,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:08,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223939543] [2021-11-03 05:17:08,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:17:08,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:08,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:08,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:08,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:17:09,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 05:17:09,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:17:09,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:17:09,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-03 05:17:09,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-03 05:17:09,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:09,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383909424] [2021-11-03 05:17:09,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:09,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223939543] [2021-11-03 05:17:09,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223939543] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:17:09,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [209658019] [2021-11-03 05:17:09,350 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:17:09,350 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:17:09,350 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:17:09,350 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:17:09,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:17:09,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:17:09,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:09,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:17:09,369 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_32|]} [2021-11-03 05:17:09,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:17:09,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:09,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:09,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,486 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:17:09,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:17:09,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:09,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:09,493 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:17:09,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,505 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:17:09,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:17:09,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 05:17:09,529 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-03 05:17:09,531 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:17:09,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:09,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:09,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:17:09,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:17:09,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 05:17:09,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:17:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:09,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-03 05:17:09,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:09,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:09,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:17:09,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,596 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-03 05:17:09,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,725 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:09,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:09,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:09,736 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:17:09,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:09,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:09,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:09,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:09,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-03 05:17:09,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:09,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:09,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:09,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:17:09,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,862 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:09,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:09,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:09,877 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:17:09,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:09,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:09,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:09,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:09,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:09,892 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 21 treesize of output 17 [2021-11-03 05:17:09,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:09,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:09,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:09,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:09,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:09,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:17:09,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,960 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:09,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:09,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:09,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,143 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-03 05:17:10,157 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:10,171 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:10,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,202 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:17:10,206 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:17:10,215 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:17:10,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:10,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,227 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-03 05:17:10,230 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-03 05:17:10,231 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:17:10,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:10,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:17:10,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:10,252 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:10,253 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 35 [2021-11-03 05:17:10,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,262 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:10,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2021-11-03 05:17:10,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,343 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:10,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:10,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:10,353 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:17:10,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:10,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:10,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:10,375 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:10,375 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 35 [2021-11-03 05:17:10,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:10,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,383 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:17:10,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,461 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:10,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:10,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:10,471 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:17:10,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:10,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:10,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:10,491 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:10,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2021-11-03 05:17:10,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:10,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:10,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:10,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:17:10,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,536 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:10,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:10,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:10,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:17:10,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:10,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:10,636 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:17:10,640 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:17:10,648 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:17:10,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:10,657 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:17:11,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:11,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:17:11,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-11-03 05:17:11,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281534768] [2021-11-03 05:17:11,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:17:11,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:11,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:17:11,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:17:11,809 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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) [2021-11-03 05:17:11,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:11,969 INFO L93 Difference]: Finished difference Result 187 states and 234 transitions. [2021-11-03 05:17:11,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:17:11,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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) Word has length 31 [2021-11-03 05:17:11,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:11,973 INFO L225 Difference]: With dead ends: 187 [2021-11-03 05:17:11,973 INFO L226 Difference]: Without dead ends: 156 [2021-11-03 05:17:11,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:17:11,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-03 05:17:12,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2021-11-03 05:17:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 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) [2021-11-03 05:17:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2021-11-03 05:17:12,007 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 31 [2021-11-03 05:17:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:12,007 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2021-11-03 05:17:12,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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) [2021-11-03 05:17:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2021-11-03 05:17:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-03 05:17:12,010 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:12,011 INFO L513 BasicCegarLoop]: trace histogram [24, 24, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:12,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:12,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:12,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash 929533131, now seen corresponding path program 3 times [2021-11-03 05:17:12,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:12,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099588962] [2021-11-03 05:17:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:12,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:12,246 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:12,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139855054] [2021-11-03 05:17:12,246 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:17:12,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:12,248 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:12,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 05:17:12,386 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:17:12,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:17:12,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 05:17:12,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 15 proven. 310 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-03 05:17:12,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 15 proven. 310 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-03 05:17:13,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:13,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099588962] [2021-11-03 05:17:13,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:13,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139855054] [2021-11-03 05:17:13,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139855054] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:17:13,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1647138651] [2021-11-03 05:17:13,065 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:17:13,065 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:17:13,066 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:17:13,066 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:17:13,066 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:17:13,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:17:13,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:13,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:17:13,097 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_33|]} [2021-11-03 05:17:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:17:13,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:13,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:13,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,213 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:17:13,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:17:13,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:13,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:13,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:17:13,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,232 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:17:13,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:17:13,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 05:17:13,256 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-03 05:17:13,259 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:17:13,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:17:13,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:17:13,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:13,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:13,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 05:17:13,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:17:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:13,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-03 05:17:13,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:13,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:13,298 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:17:13,325 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,325 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-03 05:17:13,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,448 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:13,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:13,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:13,460 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:17:13,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:13,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:13,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:13,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:13,473 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 21 treesize of output 17 [2021-11-03 05:17:13,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:13,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:13,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:13,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:17:13,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,590 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:13,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:13,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:13,597 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:17:13,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:13,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:13,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:13,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:13,619 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 21 treesize of output 17 [2021-11-03 05:17:13,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:13,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:13,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:13,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,629 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:17:13,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,680 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:13,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:13,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,814 INFO L185 QuantifierPusher]: treesize reduction 77, result has 47.6 percent of original size 70 [2021-11-03 05:17:13,823 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:13,833 INFO L185 QuantifierPusher]: treesize reduction 186, result has 53.1 percent of original size 211 [2021-11-03 05:17:13,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,859 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:17:13,862 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:17:13,870 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:17:13,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:13,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:17:13,878 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-03 05:17:13,879 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:17:13,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:13,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:17:13,884 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-03 05:17:13,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:13,900 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-03 05:17:13,900 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 27 treesize of output 27 [2021-11-03 05:17:13,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:17:13,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:17:13,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,906 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-03 05:17:13,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:17:13,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:13,908 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-03 05:17:13,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:13,975 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:13,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:13,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:13,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:13,999 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:17:14,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:14,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:14,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:14,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:14,022 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:14,023 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 35 [2021-11-03 05:17:14,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:14,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:14,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:14,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:14,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:14,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:17:14,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,110 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:14,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:14,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:14,119 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:17:14,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:14,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:14,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:14,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:14,150 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:14,150 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 35 [2021-11-03 05:17:14,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:14,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:14,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:14,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:14,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:14,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:17:14,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,199 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:14,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:14,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:14,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:14,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:17:14,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:14,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:14,284 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:17:14,288 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:17:14,294 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:17:14,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:14,300 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:17:15,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:15,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:17:15,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-11-03 05:17:15,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753196346] [2021-11-03 05:17:15,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 05:17:15,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 05:17:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2021-11-03 05:17:15,448 INFO L87 Difference]: Start difference. First operand 89 states and 105 transitions. Second operand has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 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) [2021-11-03 05:17:16,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:16,296 INFO L93 Difference]: Finished difference Result 307 states and 362 transitions. [2021-11-03 05:17:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-03 05:17:16,297 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 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 71 [2021-11-03 05:17:16,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:16,299 INFO L225 Difference]: With dead ends: 307 [2021-11-03 05:17:16,299 INFO L226 Difference]: Without dead ends: 252 [2021-11-03 05:17:16,302 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=831, Invalid=2475, Unknown=0, NotChecked=0, Total=3306 [2021-11-03 05:17:16,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-03 05:17:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 121. [2021-11-03 05:17:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.175) internal successors, (141), 120 states have internal predecessors, (141), 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) [2021-11-03 05:17:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2021-11-03 05:17:16,341 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 71 [2021-11-03 05:17:16,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:16,341 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2021-11-03 05:17:16,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 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) [2021-11-03 05:17:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2021-11-03 05:17:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-03 05:17:16,344 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:16,344 INFO L513 BasicCegarLoop]: trace histogram [36, 36, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:16,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:16,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-11-03 05:17:16,562 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:16,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:16,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1795869435, now seen corresponding path program 4 times [2021-11-03 05:17:16,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:16,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835695125] [2021-11-03 05:17:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:16,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:16,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:16,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880429308] [2021-11-03 05:17:16,580 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:17:16,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:16,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:16,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 05:17:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:17:16,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 05:17:16,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:17:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-11-03 05:17:17,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:17:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2021-11-03 05:17:17,508 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:17:17,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835695125] [2021-11-03 05:17:17,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:17,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880429308] [2021-11-03 05:17:17,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880429308] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:17:17,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1431470754] [2021-11-03 05:17:17,510 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:17:17,510 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:17:17,510 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:17:17,510 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:17:17,511 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:17:17,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:17:17,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:17:17,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:17:17,526 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 55=[|v_#valid_34|]} [2021-11-03 05:17:17,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:17:17,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:17,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:17,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,633 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:17:17,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:17:17,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:17,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:17,645 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:17:17,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,658 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:17:17,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:17:17,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,676 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-03 05:17:17,680 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-03 05:17:17,683 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:17:17,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:17,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:17,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:17:17,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:17:17,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 05:17:17,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:17:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:17:17,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-03 05:17:17,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:17,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:17:17,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:17:17,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-03 05:17:17,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,899 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:17,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:17,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:17,906 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:17:17,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:17,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:17,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:17,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:17,919 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 21 treesize of output 17 [2021-11-03 05:17:17,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:17,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:17,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:17,926 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:17,926 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:17:17,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:17,985 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:17,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:17,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:17,993 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:17:17,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:17:17,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:17:17,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:17,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:17,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:17:18,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:18,011 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 21 treesize of output 17 [2021-11-03 05:17:18,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:18,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:17:18,012 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:18,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:17:18,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,051 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:18,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:17:18,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,183 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-03 05:17:18,200 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:17:18,215 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:17:18,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,240 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:17:18,243 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:17:18,251 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:17:18,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,257 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-03 05:17:18,259 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-03 05:17:18,260 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:17:18,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:18,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 05:17:18,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:18,281 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:18,282 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 35 [2021-11-03 05:17:18,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:18,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2021-11-03 05:17:18,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,334 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:17:18,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:18,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:17:18,342 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:17:18,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:18,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:17:18,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:18,361 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:18,361 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 35 treesize of output 35 [2021-11-03 05:17:18,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:17:18,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:17:18,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,427 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:18,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,434 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:17:18,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:17:18,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:17:18,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:17:18,453 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:17:18,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 35 [2021-11-03 05:17:18,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:17:18,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:17:18,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:17:18,460 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:17:18,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,491 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:17:18,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:17:18,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:17:18,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:17:18,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:17:18,581 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:17:18,585 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:17:18,591 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:17:18,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:17:18,597 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:17:19,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:17:19,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:17:19,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-11-03 05:17:19,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702802329] [2021-11-03 05:17:19,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-03 05:17:19,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:17:19,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-03 05:17:19,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2021-11-03 05:17:19,611 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-11-03 05:17:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:17:19,992 INFO L93 Difference]: Finished difference Result 380 states and 518 transitions. [2021-11-03 05:17:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 05:17:19,992 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 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 103 [2021-11-03 05:17:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:17:19,994 INFO L225 Difference]: With dead ends: 380 [2021-11-03 05:17:19,994 INFO L226 Difference]: Without dead ends: 268 [2021-11-03 05:17:19,996 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 284 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=364, Invalid=566, Unknown=0, NotChecked=0, Total=930 [2021-11-03 05:17:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-03 05:17:20,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 241. [2021-11-03 05:17:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.1208333333333333) internal successors, (269), 240 states have internal predecessors, (269), 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) [2021-11-03 05:17:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 269 transitions. [2021-11-03 05:17:20,053 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 269 transitions. Word has length 103 [2021-11-03 05:17:20,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:17:20,053 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 269 transitions. [2021-11-03 05:17:20,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-11-03 05:17:20,054 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 269 transitions. [2021-11-03 05:17:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-03 05:17:20,058 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:17:20,058 INFO L513 BasicCegarLoop]: trace histogram [84, 84, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:17:20,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 05:17:20,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:20,267 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:17:20,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:17:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash 2133958395, now seen corresponding path program 5 times [2021-11-03 05:17:20,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:17:20,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721974476] [2021-11-03 05:17:20,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:17:20,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:17:20,284 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:17:20,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702658011] [2021-11-03 05:17:20,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:17:20,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:17:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:17:20,286 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:17:20,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 05:19:09,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-11-03 05:19:09,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:19:09,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 05:19:09,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:19:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8052 backedges. 1131 proven. 105 refuted. 0 times theorem prover too weak. 6816 trivial. 0 not checked. [2021-11-03 05:19:10,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:19:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8052 backedges. 6 proven. 1230 refuted. 0 times theorem prover too weak. 6816 trivial. 0 not checked. [2021-11-03 05:19:11,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:19:11,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721974476] [2021-11-03 05:19:11,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:11,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702658011] [2021-11-03 05:19:11,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702658011] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:19:11,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1544487685] [2021-11-03 05:19:11,544 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:19:11,544 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:19:11,544 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:19:11,544 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:19:11,545 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:19:11,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:19:11,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:19:11,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:19:11,564 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 55=[|v_#valid_35|]} [2021-11-03 05:19:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:19:11,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:11,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:11,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,660 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:19:11,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:19:11,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:11,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:11,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:19:11,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,677 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:19:11,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:19:11,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 05:19:11,699 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-03 05:19:11,701 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:19:11,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:11,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:11,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:19:11,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:19:11,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:19:11,718 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-03 05:19:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:11,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-03 05:19:11,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:11,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:11,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,745 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-03 05:19:11,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:19:11,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-03 05:19:11,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:19:11,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,863 INFO L185 QuantifierPusher]: treesize reduction 138, result has 0.7 percent of original size 1 [2021-11-03 05:19:11,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:11,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:11,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:11,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:11,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-03 05:19:11,894 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 21 treesize of output 17 [2021-11-03 05:19:11,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:11,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:11,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,901 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 21 treesize of output 17 [2021-11-03 05:19:11,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:11,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:11,903 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:11,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,914 INFO L180 QuantifierPusher]: treesize reduction 112, result has 59.3 percent of original size [2021-11-03 05:19:11,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 05:19:11,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:19:11,916 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:282, output treesize:184 [2021-11-03 05:19:11,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:11,994 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:11,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:11,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:11,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:12,001 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:19:12,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:12,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:12,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:12,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:12,021 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 21 treesize of output 17 [2021-11-03 05:19:12,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:12,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:12,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:12,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:19:12,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,091 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:12,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,098 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:19:12,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:12,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:12,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:12,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:12,111 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 21 treesize of output 17 [2021-11-03 05:19:12,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:12,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:12,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:12,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:19:12,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,152 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:12,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,250 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-03 05:19:12,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:19:12,268 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:12,281 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:12,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,303 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:19:12,306 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:19:12,314 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:19:12,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:19:12,321 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-03 05:19:12,344 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:19:12,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:19:12,349 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-03 05:19:12,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:12,364 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-03 05:19:12,365 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 27 treesize of output 27 [2021-11-03 05:19:12,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:12,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:12,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,370 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-03 05:19:12,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:19:12,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-03 05:19:12,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,415 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:12,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:12,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:12,429 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:19:12,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:12,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:12,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:12,449 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:12,449 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 35 [2021-11-03 05:19:12,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:12,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:12,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:12,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,456 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:19:12,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,507 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:12,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,513 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:19:12,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:12,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:12,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:12,533 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:12,533 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 35 [2021-11-03 05:19:12,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:12,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:12,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:12,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:12,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:19:12,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,571 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:12,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:12,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:19:12,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:12,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:12,649 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:19:12,651 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:19:12,654 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:19:12,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:12,660 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:19:13,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:13,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:19:13,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2021-11-03 05:19:13,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214513004] [2021-11-03 05:19:13,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-03 05:19:13,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:19:13,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-03 05:19:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=903, Unknown=0, NotChecked=0, Total=1560 [2021-11-03 05:19:13,659 INFO L87 Difference]: Start difference. First operand 241 states and 269 transitions. Second operand has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:19:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:19:14,574 INFO L93 Difference]: Finished difference Result 764 states and 1014 transitions. [2021-11-03 05:19:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-03 05:19:14,574 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-11-03 05:19:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:19:14,577 INFO L225 Difference]: With dead ends: 764 [2021-11-03 05:19:14,577 INFO L226 Difference]: Without dead ends: 540 [2021-11-03 05:19:14,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 556 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1212, Invalid=1758, Unknown=0, NotChecked=0, Total=2970 [2021-11-03 05:19:14,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-03 05:19:14,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 481. [2021-11-03 05:19:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 480 states have (on average 1.09375) internal successors, (525), 480 states have internal predecessors, (525), 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) [2021-11-03 05:19:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 525 transitions. [2021-11-03 05:19:14,665 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 525 transitions. Word has length 199 [2021-11-03 05:19:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:19:14,665 INFO L470 AbstractCegarLoop]: Abstraction has 481 states and 525 transitions. [2021-11-03 05:19:14,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:19:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 525 transitions. [2021-11-03 05:19:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-11-03 05:19:14,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:19:14,674 INFO L513 BasicCegarLoop]: trace histogram [180, 180, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:19:14,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-03 05:19:14,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:19:14,888 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:19:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:19:14,888 INFO L85 PathProgramCache]: Analyzing trace with hash -189315333, now seen corresponding path program 6 times [2021-11-03 05:19:14,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:19:14,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591534596] [2021-11-03 05:19:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:19:14,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:19:14,915 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:19:14,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636571767] [2021-11-03 05:19:14,916 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:19:14,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:19:14,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:19:14,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:19:14,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 05:19:15,501 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:19:15,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:19:15,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-03 05:19:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:19:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 34452 backedges. 435 proven. 14466 refuted. 0 times theorem prover too weak. 19551 trivial. 0 not checked. [2021-11-03 05:19:17,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:19:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 34452 backedges. 435 proven. 14466 refuted. 0 times theorem prover too weak. 19551 trivial. 0 not checked. [2021-11-03 05:19:19,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:19:19,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591534596] [2021-11-03 05:19:19,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:19,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636571767] [2021-11-03 05:19:19,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636571767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:19:19,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [390521983] [2021-11-03 05:19:19,808 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:19:19,808 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:19:19,808 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:19:19,809 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:19:19,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:19:19,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:19,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:19:19,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:19,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:19:19,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:19:19,825 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 55=[|v_#valid_36|]} [2021-11-03 05:19:19,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:19:19,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:19,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:19,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:19,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:19,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:19,955 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:19:19,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:19:19,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:19,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:19,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:19,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:19,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:19:19,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:19,974 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:19:19,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:19:19,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:19,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 05:19:20,002 INFO L180 QuantifierPusher]: treesize reduction 8, result has 95.3 percent of original size [2021-11-03 05:19:20,004 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:19:20,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 05:19:20,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-03 05:19:20,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:20,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:20,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 05:19:20,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 05:19:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:20,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2021-11-03 05:19:20,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:20,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:20,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:19:20,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:191, output treesize:198 [2021-11-03 05:19:20,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,160 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:20,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:20,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:20,167 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:19:20,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:20,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:20,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:20,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:20,183 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 21 treesize of output 17 [2021-11-03 05:19:20,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:20,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:20,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:20,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:19:20,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,262 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:20,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,267 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:19:20,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:20,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:20,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:20,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:20,278 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 21 treesize of output 17 [2021-11-03 05:19:20,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:20,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:20,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:20,287 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,287 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:19:20,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,311 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:20,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,406 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-03 05:19:20,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:19:20,418 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:20,427 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:20,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,447 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:19:20,450 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:19:20,458 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:19:20,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,463 INFO L185 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size 52 [2021-11-03 05:19:20,465 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.7 percent of original size [2021-11-03 05:19:20,466 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:19:20,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:19:20,473 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-03 05:19:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:20,489 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-03 05:19:20,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2021-11-03 05:19:20,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:20,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:20,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,494 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-03 05:19:20,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:19:20,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-03 05:19:20,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,535 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:20,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:20,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:20,540 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:19:20,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:20,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:20,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:20,564 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:20,564 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 35 [2021-11-03 05:19:20,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:20,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:20,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:20,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,571 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:19:20,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,635 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:20,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,643 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:19:20,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:20,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:20,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:20,662 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:20,662 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 35 [2021-11-03 05:19:20,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:20,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:20,665 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:20,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:20,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:19:20,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,704 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:20,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:20,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:19:20,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:20,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:20,764 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:19:20,768 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:19:20,771 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:19:20,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:20,775 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:19:22,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:22,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:19:22,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 78 [2021-11-03 05:19:22,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602022223] [2021-11-03 05:19:22,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2021-11-03 05:19:22,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:19:22,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-11-03 05:19:22,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2209, Invalid=4763, Unknown=0, NotChecked=0, Total=6972 [2021-11-03 05:19:22,439 INFO L87 Difference]: Start difference. First operand 481 states and 525 transitions. Second operand has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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) [2021-11-03 05:19:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:19:30,727 INFO L93 Difference]: Finished difference Result 2733 states and 3121 transitions. [2021-11-03 05:19:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2021-11-03 05:19:30,728 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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 391 [2021-11-03 05:19:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:19:30,742 INFO L225 Difference]: With dead ends: 2733 [2021-11-03 05:19:30,742 INFO L226 Difference]: Without dead ends: 2446 [2021-11-03 05:19:30,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1436 GetRequests, 1188 SyntacticMatches, 1 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25718 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=18448, Invalid=43304, Unknown=0, NotChecked=0, Total=61752 [2021-11-03 05:19:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2021-11-03 05:19:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 993. [2021-11-03 05:19:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 992 states have (on average 1.061491935483871) internal successors, (1053), 992 states have internal predecessors, (1053), 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) [2021-11-03 05:19:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1053 transitions. [2021-11-03 05:19:30,971 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1053 transitions. Word has length 391 [2021-11-03 05:19:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:19:30,972 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1053 transitions. [2021-11-03 05:19:30,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.358974358974359) internal successors, (106), 78 states have internal predecessors, (106), 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) [2021-11-03 05:19:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1053 transitions. [2021-11-03 05:19:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2021-11-03 05:19:31,006 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:19:31,006 INFO L513 BasicCegarLoop]: trace histogram [420, 420, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:19:31,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 05:19:31,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable489 [2021-11-03 05:19:31,230 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:19:31,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:19:31,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1993076805, now seen corresponding path program 7 times [2021-11-03 05:19:31,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:19:31,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409143425] [2021-11-03 05:19:31,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:19:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:19:31,290 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:19:31,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732929029] [2021-11-03 05:19:31,290 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:19:31,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:19:31,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:19:31,292 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:19:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 05:19:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:19:32,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 4442 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-03 05:19:32,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:19:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 188132 backedges. 12507 proven. 465 refuted. 0 times theorem prover too weak. 175160 trivial. 0 not checked. [2021-11-03 05:19:35,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:19:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 188132 backedges. 12507 proven. 465 refuted. 0 times theorem prover too weak. 175160 trivial. 0 not checked. [2021-11-03 05:19:39,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:19:39,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409143425] [2021-11-03 05:19:39,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:39,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732929029] [2021-11-03 05:19:39,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732929029] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:19:39,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1991667149] [2021-11-03 05:19:39,003 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-03 05:19:39,004 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:19:39,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:19:39,004 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:19:39,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:19:39,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:19:39,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:19:39,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 05:19:39,017 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 55=[|v_#valid_37|]} [2021-11-03 05:19:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:19:39,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:39,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:39,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,124 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:19:39,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 50 [2021-11-03 05:19:39,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:39,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:39,129 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-03 05:19:39,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,138 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:152 [2021-11-03 05:19:39,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-03 05:19:39,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,164 INFO L185 QuantifierPusher]: treesize reduction 4, result has 97.5 percent of original size 155 [2021-11-03 05:19:39,170 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.6 percent of original size [2021-11-03 05:19:39,173 INFO L185 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size 1 [2021-11-03 05:19:39,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:19:39,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:39,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:19:39,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:19:39,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:19:39,190 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size 182 [2021-11-03 05:19:39,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:19:39,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-03 05:19:39,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:39,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:39,210 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,219 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-03 05:19:39,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:19:39,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,222 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:183, output treesize:183 [2021-11-03 05:19:39,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:19:39,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,349 INFO L185 QuantifierPusher]: treesize reduction 138, result has 0.7 percent of original size 1 [2021-11-03 05:19:39,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:39,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:39,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:39,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-03 05:19:39,372 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 21 treesize of output 17 [2021-11-03 05:19:39,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,380 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 21 treesize of output 17 [2021-11-03 05:19:39,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,393 INFO L180 QuantifierPusher]: treesize reduction 112, result has 59.3 percent of original size [2021-11-03 05:19:39,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 05:19:39,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:19:39,396 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:282, output treesize:184 [2021-11-03 05:19:39,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,442 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:39,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:39,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:39,456 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-03 05:19:39,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:39,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:39,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:39,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:39,468 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 21 treesize of output 17 [2021-11-03 05:19:39,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:39,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:93 [2021-11-03 05:19:39,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,524 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:39,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,528 INFO L180 QuantifierPusher]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 05:19:39,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:19:39,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-03 05:19:39,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:19:39,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:39,540 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 21 treesize of output 17 [2021-11-03 05:19:39,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:19:39,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:39,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:90 [2021-11-03 05:19:39,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,571 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:39,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,665 INFO L185 QuantifierPusher]: treesize reduction 32, result has 82.3 percent of original size 149 [2021-11-03 05:19:39,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:19:39,690 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:39,708 INFO L185 QuantifierPusher]: treesize reduction 138, result has 60.5 percent of original size 211 [2021-11-03 05:19:39,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,736 INFO L185 QuantifierPusher]: treesize reduction 165, result has 20.7 percent of original size 43 [2021-11-03 05:19:39,739 INFO L185 QuantifierPusher]: treesize reduction 166, result has 22.8 percent of original size 49 [2021-11-03 05:19:39,751 INFO L180 QuantifierPusher]: treesize reduction 166, result has 25.2 percent of original size [2021-11-03 05:19:39,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:19:39,759 INFO L180 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-11-03 05:19:39,760 INFO L185 QuantifierPusher]: treesize reduction 54, result has 1.8 percent of original size 1 [2021-11-03 05:19:39,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 05:19:39,765 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 80 [2021-11-03 05:19:39,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:39,785 INFO L354 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2021-11-03 05:19:39,785 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 27 treesize of output 27 [2021-11-03 05:19:39,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:39,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 05:19:39,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,791 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size [2021-11-03 05:19:39,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-03 05:19:39,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:75 [2021-11-03 05:19:39,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,850 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.5 percent of original size [2021-11-03 05:19:39,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:39,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:19:39,876 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.2 percent of original size [2021-11-03 05:19:39,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:39,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-03 05:19:39,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:39,899 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:39,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 35 [2021-11-03 05:19:39,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:39,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:39,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-03 05:19:39,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:39,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:88 [2021-11-03 05:19:39,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:39,976 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:39,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:39,984 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.5 percent of original size [2021-11-03 05:19:39,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:39,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:39,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 05:19:39,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:19:39,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:19:40,008 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-11-03 05:19:40,010 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 35 [2021-11-03 05:19:40,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:40,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:19:40,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:19:40,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 05:19:40,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:19:40,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2021-11-03 05:19:40,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,051 INFO L180 QuantifierPusher]: treesize reduction 49, result has 54.2 percent of original size [2021-11-03 05:19:40,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:40,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:19:40,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:40,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 05:19:40,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:19:40,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:19:40,135 INFO L185 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size 67 [2021-11-03 05:19:40,139 INFO L185 QuantifierPusher]: treesize reduction 120, result has 29.0 percent of original size 49 [2021-11-03 05:19:40,146 INFO L180 QuantifierPusher]: treesize reduction 120, result has 31.8 percent of original size [2021-11-03 05:19:40,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-03 05:19:40,154 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:19:41,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:19:41,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:19:41,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 65 [2021-11-03 05:19:41,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437823327] [2021-11-03 05:19:41,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-03 05:19:41,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:19:41,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-03 05:19:41,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2305, Invalid=2807, Unknown=0, NotChecked=0, Total=5112 [2021-11-03 05:19:41,468 INFO L87 Difference]: Start difference. First operand 993 states and 1053 transitions. Second operand has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 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) [2021-11-03 05:19:46,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:19:46,341 INFO L93 Difference]: Finished difference Result 3068 states and 4086 transitions. [2021-11-03 05:19:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-03 05:19:46,343 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 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 903 [2021-11-03 05:19:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:19:46,354 INFO L225 Difference]: With dead ends: 3068 [2021-11-03 05:19:46,355 INFO L226 Difference]: Without dead ends: 2108 [2021-11-03 05:19:46,358 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2738 GetRequests, 2636 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2954 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=4444, Invalid=6062, Unknown=0, NotChecked=0, Total=10506 [2021-11-03 05:19:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2021-11-03 05:19:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 1985. [2021-11-03 05:19:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1984 states have (on average 1.046875) internal successors, (2077), 1984 states have internal predecessors, (2077), 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) [2021-11-03 05:19:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2077 transitions. [2021-11-03 05:19:46,720 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2077 transitions. Word has length 903 [2021-11-03 05:19:46,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:19:46,720 INFO L470 AbstractCegarLoop]: Abstraction has 1985 states and 2077 transitions. [2021-11-03 05:19:46,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 65 states have internal predecessors, (78), 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) [2021-11-03 05:19:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2077 transitions. [2021-11-03 05:19:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1800 [2021-11-03 05:19:46,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:19:46,754 INFO L513 BasicCegarLoop]: trace histogram [868, 868, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:19:46,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-03 05:19:46,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:19:46,978 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:19:46,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:19:46,979 INFO L85 PathProgramCache]: Analyzing trace with hash 141828027, now seen corresponding path program 8 times [2021-11-03 05:19:46,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:19:46,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238344175] [2021-11-03 05:19:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:19:46,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:19:47,068 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:19:47,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856255346] [2021-11-03 05:19:47,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:19:47,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:19:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:19:47,070 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:19:47,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a98da-ebae-4ef1-8a96-ea66ec9a77b6/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process