./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcmp_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcmp_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802cbda9e8bed6a313e86b45d5d1f15426dd1417288149156d2bae000d97c78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:25:00,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:25:00,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:25:00,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:25:00,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:25:00,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:25:00,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:25:00,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:25:00,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:25:00,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:25:00,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:25:00,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:25:00,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:25:00,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:25:00,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:25:00,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:25:00,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:25:00,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:25:00,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:25:00,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:25:00,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:25:00,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:25:00,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:25:00,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:25:00,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:25:00,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:25:00,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:25:00,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:25:00,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:25:00,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:25:00,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:25:00,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:25:00,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:25:00,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:25:00,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:25:00,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:25:00,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:25:00,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:25:00,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:25:00,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:25:00,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:25:00,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:25:01,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:25:01,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:25:01,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:25:01,009 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:25:01,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:25:01,009 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:25:01,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:25:01,010 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:25:01,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:25:01,017 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:25:01,019 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:25:01,019 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:25:01,020 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:25:01,020 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:25:01,020 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:25:01,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:25:01,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:25:01,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:25:01,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:25:01,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:25:01,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:25:01,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:25:01,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:25:01,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:25:01,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:25:01,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:25:01,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:25:01,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:25:01,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:25:01,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:25:01,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:25:01,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:25:01,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:25:01,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:25:01,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:25:01,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:25:01,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:25:01,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:25:01,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:25:01,029 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_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802cbda9e8bed6a313e86b45d5d1f15426dd1417288149156d2bae000d97c78 [2021-11-07 02:25:01,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:25:01,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:25:01,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:25:01,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:25:01,330 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:25:01,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2021-11-07 02:25:01,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/data/76d8e1a1d/91cc6fef3a6046c4b35eba8c75a66dbc/FLAGa174f3c05 [2021-11-07 02:25:01,841 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:25:01,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/sv-benchmarks/c/array-examples/standard_strcmp_ground.i [2021-11-07 02:25:01,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/data/76d8e1a1d/91cc6fef3a6046c4b35eba8c75a66dbc/FLAGa174f3c05 [2021-11-07 02:25:02,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/data/76d8e1a1d/91cc6fef3a6046c4b35eba8c75a66dbc [2021-11-07 02:25:02,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:25:02,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:25:02,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:25:02,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:25:02,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:25:02,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68503f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02, skipping insertion in model container [2021-11-07 02:25:02,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:25:02,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:25:02,444 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_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/sv-benchmarks/c/array-examples/standard_strcmp_ground.i[815,828] [2021-11-07 02:25:02,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:25:02,481 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:25:02,504 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_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/sv-benchmarks/c/array-examples/standard_strcmp_ground.i[815,828] [2021-11-07 02:25:02,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:25:02,542 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:25:02,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02 WrapperNode [2021-11-07 02:25:02,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:25:02,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:25:02,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:25:02,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:25:02,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:25:02,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:25:02,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:25:02,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:25:02,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:25:02,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:25:02,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:25:02,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:25:02,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (1/1) ... [2021-11-07 02:25:02,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:25:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:02,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:25:02,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:25:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:25:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:25:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:25:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:25:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:25:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:25:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:25:03,077 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:25:03,077 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-07 02:25:03,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:25:03 BoogieIcfgContainer [2021-11-07 02:25:03,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:25:03,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:25:03,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:25:03,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:25:03,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:25:02" (1/3) ... [2021-11-07 02:25:03,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be2770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:25:03, skipping insertion in model container [2021-11-07 02:25:03,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:25:02" (2/3) ... [2021-11-07 02:25:03,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be2770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:25:03, skipping insertion in model container [2021-11-07 02:25:03,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:25:03" (3/3) ... [2021-11-07 02:25:03,090 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_strcmp_ground.i [2021-11-07 02:25:03,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:25:03,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:25:03,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:25:03,163 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:25:03,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:25:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 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) [2021-11-07 02:25:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 02:25:03,188 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:03,188 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:03,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:03,196 INFO L85 PathProgramCache]: Analyzing trace with hash -715237656, now seen corresponding path program 1 times [2021-11-07 02:25:03,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:03,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237355912] [2021-11-07 02:25:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:03,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:25:03,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:03,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237355912] [2021-11-07 02:25:03,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237355912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:25:03,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:25:03,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:25:03,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987933813] [2021-11-07 02:25:03,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:25:03,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:25:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:25:03,394 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:03,415 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2021-11-07 02:25:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:25:03,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 02:25:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:03,425 INFO L225 Difference]: With dead ends: 25 [2021-11-07 02:25:03,425 INFO L226 Difference]: Without dead ends: 12 [2021-11-07 02:25:03,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:25:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-07 02:25:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-07 02:25:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-07 02:25:03,473 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 8 [2021-11-07 02:25:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:03,474 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-07 02:25:03,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-07 02:25:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:25:03,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:03,475 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:03,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:25:03,476 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:03,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash 352703344, now seen corresponding path program 1 times [2021-11-07 02:25:03,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:03,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529996029] [2021-11-07 02:25:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:03,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:25:03,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:03,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529996029] [2021-11-07 02:25:03,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529996029] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:03,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213285631] [2021-11-07 02:25:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:03,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:03,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:03,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:03,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 02:25:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:03,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:25:03,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:25:03,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:25:03,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213285631] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:25:03,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:25:03,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 02:25:03,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340892814] [2021-11-07 02:25:03,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:25:03,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:03,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:25:03,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:25:03,681 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:03,699 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2021-11-07 02:25:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:25:03,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:25:03,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:03,700 INFO L225 Difference]: With dead ends: 36 [2021-11-07 02:25:03,700 INFO L226 Difference]: Without dead ends: 29 [2021-11-07 02:25:03,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:25:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-07 02:25:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 15. [2021-11-07 02:25:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-07 02:25:03,706 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 9 [2021-11-07 02:25:03,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:03,706 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 02:25:03,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-07 02:25:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:25:03,707 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:03,707 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:03,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:03,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:03,925 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:03,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:03,926 INFO L85 PathProgramCache]: Analyzing trace with hash -201190691, now seen corresponding path program 1 times [2021-11-07 02:25:03,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:03,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612994181] [2021-11-07 02:25:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:03,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:25:04,015 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:04,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612994181] [2021-11-07 02:25:04,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612994181] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:04,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193484100] [2021-11-07 02:25:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:04,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:04,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:04,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 02:25:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:04,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:25:04,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:25:04,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:25:04,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193484100] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:04,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1638928535] [2021-11-07 02:25:04,255 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:04,255 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:04,264 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:04,271 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:04,272 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:04,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:04,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:04,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:04,345 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_25|]} [2021-11-07 02:25:04,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:04,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:04,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:04,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:04,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,537 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:04,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:04,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:04,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:04,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:04,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:04,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:04,595 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:04,630 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:04,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:04,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:04,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:04,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:04,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:25:04,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:25:04,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:04,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:25:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:04,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:25:04,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:04,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:04,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:04,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:25:04,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:04,783 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:25:04,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:04,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:04,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:04,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:04,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:04,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:05,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:05,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:25:05,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:25:05,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:25:05,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:05,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:05,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:05,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:05,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:25:05,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:25:05,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:25:05,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:25:05,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:25:05,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:05,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:05,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:05,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:05,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:05,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:25:05,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:05,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:05,259 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:05,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,318 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:25:05,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:25:05,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:05,332 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:25:05,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,438 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:05,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:05,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:05,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:05,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:05,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:05,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:05,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:05,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:05,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:05,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:05,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:05,515 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:05,515 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:05,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:05,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:05,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:05,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:05,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:05,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:05,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:05,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:05,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:05,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:05,553 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.6 percent of original size [2021-11-07 02:25:05,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:25:05,563 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:06,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1638928535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:25:06,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:06,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2021-11-07 02:25:06,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936247311] [2021-11-07 02:25:06,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:25:06,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:06,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:25:06,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:25:06,122 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:06,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:06,194 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2021-11-07 02:25:06,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:25:06,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 02:25:06,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:06,196 INFO L225 Difference]: With dead ends: 22 [2021-11-07 02:25:06,196 INFO L226 Difference]: Without dead ends: 15 [2021-11-07 02:25:06,198 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:25:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-07 02:25:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-07 02:25:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 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) [2021-11-07 02:25:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-07 02:25:06,206 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 10 [2021-11-07 02:25:06,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:06,206 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-07 02:25:06,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-07 02:25:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 02:25:06,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:06,208 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:06,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:06,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:06,427 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:06,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:06,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1916878744, now seen corresponding path program 1 times [2021-11-07 02:25:06,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:06,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574397201] [2021-11-07 02:25:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:06,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:25:06,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:06,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574397201] [2021-11-07 02:25:06,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574397201] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:06,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821747744] [2021-11-07 02:25:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:06,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:06,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:06,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 02:25:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:06,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:25:06,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:25:06,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:25:06,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821747744] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:06,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1917940098] [2021-11-07 02:25:06,625 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:06,626 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:06,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:06,626 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:06,626 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:06,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:06,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:06,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:06,650 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_26|]} [2021-11-07 02:25:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:06,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:06,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:06,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:06,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,721 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:06,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:06,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:06,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:06,728 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:06,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:06,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:06,738 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:06,744 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:06,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:06,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:06,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:06,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:06,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:25:06,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:25:06,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:06,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:25:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:06,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:25:06,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:06,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:06,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:06,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:25:06,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:06,804 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:25:06,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:06,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:06,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:06,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:25:06,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:25:06,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:25:06,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:06,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:25:06,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:25:06,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:06,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:06,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:06,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:06,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:06,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:06,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:06,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:25:06,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:25:07,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:25:07,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:25:07,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:07,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:07,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:07,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:07,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:07,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:07,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:07,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,156 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:25:07,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:25:07,167 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:07,167 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:25:07,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,233 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:07,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:07,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:07,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:07,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:07,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:07,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:07,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:07,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:07,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:07,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:07,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:07,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:07,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:07,300 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:07,300 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:07,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:07,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:07,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:07,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:07,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:07,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:07,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:07,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:07,320 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:07,330 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:07,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:07,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,410 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:07,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:07,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,487 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:07,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:07,496 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.0 percent of original size [2021-11-07 02:25:07,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 02:25:07,506 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:07,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:07,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:07,570 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:08,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1917940098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:25:08,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:08,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2021-11-07 02:25:08,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355734923] [2021-11-07 02:25:08,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:25:08,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:08,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:25:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:25:08,506 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:09,339 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-11-07 02:25:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:25:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 02:25:09,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:09,341 INFO L225 Difference]: With dead ends: 22 [2021-11-07 02:25:09,341 INFO L226 Difference]: Without dead ends: 15 [2021-11-07 02:25:09,341 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:25:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-07 02:25:09,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-07 02:25:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-11-07 02:25:09,346 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2021-11-07 02:25:09,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:09,346 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-07 02:25:09,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-07 02:25:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:25:09,347 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:09,347 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:09,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:09,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:09,548 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2084106758, now seen corresponding path program 1 times [2021-11-07 02:25:09,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:09,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706966568] [2021-11-07 02:25:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:09,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:09,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:09,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706966568] [2021-11-07 02:25:09,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706966568] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:09,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558523760] [2021-11-07 02:25:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:09,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:09,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:09,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 02:25:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:09,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:25:09,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:09,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:09,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558523760] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:09,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [561206149] [2021-11-07 02:25:09,741 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:09,743 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:09,743 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:09,744 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:09,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:09,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:09,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:09,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:09,768 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_27|]} [2021-11-07 02:25:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:09,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:09,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:09,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:09,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,831 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:09,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:09,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:09,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:09,838 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:09,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:09,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:09,847 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:09,851 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:09,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:09,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:09,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:09,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:09,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:09,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:09,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:09,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:09,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:09,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:09,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:09,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:09,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:09,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:09,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:09,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:09,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:09,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:09,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:09,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:09,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:09,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:10,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:10,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:10,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:10,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:10,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:10,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:10,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:10,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:10,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:10,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:10,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:10,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:10,140 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:10,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:10,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:10,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:10,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:10,165 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:10,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,207 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:10,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:10,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:10,216 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:10,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,271 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:10,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:10,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:10,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:10,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:10,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:10,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:10,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:10,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:10,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:10,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:10,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:10,325 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:10,326 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:10,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:10,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:10,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:10,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:10,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:10,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:10,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:10,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:10,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:10,351 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:10,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:10,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,411 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:10,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:10,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,480 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:10,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:10,490 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:10,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:10,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:10,610 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:12,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:12,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:12,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 02:25:12,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199123290] [2021-11-07 02:25:12,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:25:12,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:12,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:25:12,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:25:12,603 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:12,625 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-11-07 02:25:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:25:12,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 13 [2021-11-07 02:25:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:12,626 INFO L225 Difference]: With dead ends: 30 [2021-11-07 02:25:12,626 INFO L226 Difference]: Without dead ends: 18 [2021-11-07 02:25:12,627 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:25:12,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-07 02:25:12,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-07 02:25:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:12,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-11-07 02:25:12,633 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13 [2021-11-07 02:25:12,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:12,633 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-11-07 02:25:12,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-07 02:25:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 02:25:12,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:12,634 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:12,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:12,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 02:25:12,847 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:12,848 INFO L85 PathProgramCache]: Analyzing trace with hash 582940530, now seen corresponding path program 2 times [2021-11-07 02:25:12,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:12,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354661363] [2021-11-07 02:25:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:12,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:12,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:12,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354661363] [2021-11-07 02:25:12,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354661363] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:12,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632127118] [2021-11-07 02:25:12,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:25:12,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:12,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:12,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:12,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 02:25:13,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 02:25:13,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:25:13,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:25:13,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:13,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:13,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632127118] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:13,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [260289521] [2021-11-07 02:25:13,240 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:13,240 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:13,240 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:13,240 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:13,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:13,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:13,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:13,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:13,256 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_28|]} [2021-11-07 02:25:13,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:13,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:13,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:13,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,315 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:13,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:13,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:13,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:13,320 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:13,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,329 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:13,332 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:13,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:13,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:13,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:13,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:13,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:13,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:13,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:13,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:13,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:13,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:13,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:13,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:13,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:13,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:13,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:13,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:13,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:13,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:13,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:13,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:13,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:13,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:13,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:13,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:13,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:13,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:13,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:13,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:13,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,687 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:13,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:13,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:13,695 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:13,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,747 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:13,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:13,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:13,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:13,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:13,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:13,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:13,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:13,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:13,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:13,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:13,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:13,811 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:13,811 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:13,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:13,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:13,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:13,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:13,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:13,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:13,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:13,825 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:13,833 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:13,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:25:13,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,886 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.5 percent of original size [2021-11-07 02:25:13,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:25:13,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,953 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:13,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:13,962 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:13,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:13,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:13,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:14,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:14,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:14,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:14,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:14,086 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:16,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:16,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:16,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-07 02:25:16,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6380208] [2021-11-07 02:25:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:25:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:25:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2021-11-07 02:25:16,087 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:16,125 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2021-11-07 02:25:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:25:16,126 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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 16 [2021-11-07 02:25:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:16,127 INFO L225 Difference]: With dead ends: 36 [2021-11-07 02:25:16,127 INFO L226 Difference]: Without dead ends: 24 [2021-11-07 02:25:16,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2021-11-07 02:25:16,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-07 02:25:16,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-07 02:25:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2021-11-07 02:25:16,134 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 16 [2021-11-07 02:25:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:16,134 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2021-11-07 02:25:16,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-11-07 02:25:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 02:25:16,135 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:16,136 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:16,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:16,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2021-11-07 02:25:16,348 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:16,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash 404351602, now seen corresponding path program 3 times [2021-11-07 02:25:16,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:16,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78604973] [2021-11-07 02:25:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:16,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:25:16,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:16,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78604973] [2021-11-07 02:25:16,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78604973] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:16,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098333876] [2021-11-07 02:25:16,540 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:25:16,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:16,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:16,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 02:25:16,650 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:25:16,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:25:16,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:25:16,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:25:16,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:25:16,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098333876] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:16,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [780197790] [2021-11-07 02:25:16,804 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:16,804 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:16,805 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:16,805 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:16,805 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:16,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:16,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:16,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:16,827 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_29|]} [2021-11-07 02:25:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:16,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:16,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:16,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:16,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:16,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,886 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:16,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:16,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:16,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:16,891 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:16,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:16,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:16,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:16,901 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:16,904 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:16,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:16,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:16,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:16,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:16,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:16,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:16,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:16,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:16,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:16,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:16,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:16,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:16,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:16,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:16,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:16,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:16,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:16,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:16,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:16,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:16,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:17,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:17,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:17,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:17,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:17,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:17,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:17,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:17,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:17,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:17,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:17,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:17,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:17,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:17,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:17,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:17,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:17,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:17,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:17,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:17,170 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:17,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,211 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:17,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:17,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:17,224 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:17,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,270 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:17,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:17,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:17,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:17,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:17,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:17,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:17,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:17,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:17,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:17,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:17,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:17,311 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:17,312 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:17,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:17,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:17,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:17,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:17,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:17,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:17,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:17,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:17,324 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:17,331 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:17,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:25:17,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,385 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.5 percent of original size [2021-11-07 02:25:17,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:25:17,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,439 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:17,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:17,447 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:17,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:17,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:17,564 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:19,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:19,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:19,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 19 [2021-11-07 02:25:19,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104900523] [2021-11-07 02:25:19,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 02:25:19,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 02:25:19,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2021-11-07 02:25:19,419 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:19,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:19,492 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2021-11-07 02:25:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 02:25:19,493 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 02:25:19,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:19,494 INFO L225 Difference]: With dead ends: 45 [2021-11-07 02:25:19,494 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 02:25:19,495 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2021-11-07 02:25:19,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 02:25:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 02:25:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2021-11-07 02:25:19,503 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 22 [2021-11-07 02:25:19,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:19,503 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2021-11-07 02:25:19,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2021-11-07 02:25:19,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 02:25:19,505 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:19,505 INFO L513 BasicCegarLoop]: trace histogram [11, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:19,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 02:25:19,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-11-07 02:25:19,719 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:19,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1233506062, now seen corresponding path program 4 times [2021-11-07 02:25:19,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:19,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236588059] [2021-11-07 02:25:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:19,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 02:25:19,899 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:19,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236588059] [2021-11-07 02:25:19,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236588059] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:19,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071943784] [2021-11-07 02:25:19,900 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:25:19,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:19,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:19,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:19,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 02:25:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:20,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:25:20,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 02:25:20,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 02:25:20,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071943784] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:20,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2040039133] [2021-11-07 02:25:20,376 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:20,376 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:20,376 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:20,376 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:20,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:20,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:20,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:20,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:20,387 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_30|]} [2021-11-07 02:25:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:20,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:20,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:20,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,450 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:20,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:20,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:20,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:20,454 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:20,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:20,467 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:20,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:20,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:20,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:20,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:20,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:20,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:20,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:20,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:20,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:20,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:20,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:20,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:20,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:20,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:20,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:20,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:20,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:20,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:20,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:20,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:20,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:20,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:20,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:20,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:20,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:20,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:20,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:20,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:20,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,825 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:20,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:20,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:20,832 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:20,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,873 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:20,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:20,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:20,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:20,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:20,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:20,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:20,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:20,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:20,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:20,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:20,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:20,913 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:20,913 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:20,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:20,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:20,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:20,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:20,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:20,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:20,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:20,925 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:20,932 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:20,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:20,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:20,977 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:20,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:20,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,025 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:21,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:21,033 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:21,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:21,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:21,150 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:23,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:23,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:23,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2021-11-07 02:25:23,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407985957] [2021-11-07 02:25:23,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-07 02:25:23,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:23,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-07 02:25:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=795, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 02:25:23,033 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:23,078 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2021-11-07 02:25:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 02:25:23,079 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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 [2021-11-07 02:25:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:23,080 INFO L225 Difference]: With dead ends: 66 [2021-11-07 02:25:23,080 INFO L226 Difference]: Without dead ends: 46 [2021-11-07 02:25:23,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=395, Invalid=795, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 02:25:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-07 02:25:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-07 02:25:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 45 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2021-11-07 02:25:23,091 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 31 [2021-11-07 02:25:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:23,091 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2021-11-07 02:25:23,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-11-07 02:25:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 02:25:23,093 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:23,093 INFO L513 BasicCegarLoop]: trace histogram [24, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:23,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:23,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:23,307 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:23,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1768841094, now seen corresponding path program 5 times [2021-11-07 02:25:23,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:23,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040707642] [2021-11-07 02:25:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:23,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 02:25:23,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:23,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040707642] [2021-11-07 02:25:23,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040707642] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:23,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746362756] [2021-11-07 02:25:23,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:25:23,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:23,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:23,703 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:23,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 02:25:23,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 02:25:23,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:25:23,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-07 02:25:23,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-07 02:25:24,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:24,572 INFO L354 Elim1Store]: treesize reduction 23, result has 74.7 percent of original size [2021-11-07 02:25:24,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 75 [2021-11-07 02:25:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-07 02:25:24,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746362756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:24,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [495740817] [2021-11-07 02:25:24,866 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 02:25:24,866 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:24,866 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:24,867 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:24,867 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:24,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:24,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:24,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:24,880 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_31|]} [2021-11-07 02:25:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:24,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:24,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:24,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:24,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:24,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:24,957 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:24,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:24,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:24,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:24,962 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:24,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:24,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:24,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:24,971 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:24,976 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:24,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:24,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:24,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:24,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:24,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:24,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:24,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:24,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:24,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:24,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:25,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:25,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:25,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:25,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,025 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:25,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:25,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:25,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:25,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:25,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:25,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:25,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:25,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:25,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:25,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:25,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:25,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:25,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:25,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:25,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:25,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:25,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:25,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:25,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:25,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:25,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,275 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:25,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:25,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:25,283 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:25,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,330 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:25,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:25,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:25,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:25,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:25,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:25,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:25,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:25,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:25,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:25,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:25,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:25,368 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:25,368 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:25,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:25,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:25,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:25,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:25,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:25,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:25,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:25,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:25,390 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:25,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:25,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,443 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:25,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:25,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,513 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:25,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:25,522 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:25,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:25,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:25,623 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:27,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:27,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:27,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 7, 7] total 37 [2021-11-07 02:25:27,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230683843] [2021-11-07 02:25:27,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-07 02:25:27,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-07 02:25:27,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2021-11-07 02:25:27,919 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 37 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:28,705 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2021-11-07 02:25:28,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 02:25:28,705 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 02:25:28,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:28,706 INFO L225 Difference]: With dead ends: 71 [2021-11-07 02:25:28,706 INFO L226 Difference]: Without dead ends: 51 [2021-11-07 02:25:28,709 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1160, Invalid=4096, Unknown=0, NotChecked=0, Total=5256 [2021-11-07 02:25:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-07 02:25:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2021-11-07 02:25:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0625) internal successors, (51), 48 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2021-11-07 02:25:28,721 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 44 [2021-11-07 02:25:28,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:28,722 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2021-11-07 02:25:28,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2021-11-07 02:25:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 02:25:28,723 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:28,724 INFO L513 BasicCegarLoop]: trace histogram [25, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:28,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:28,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:28,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:28,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:28,948 INFO L85 PathProgramCache]: Analyzing trace with hash -291834763, now seen corresponding path program 1 times [2021-11-07 02:25:28,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:28,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141976003] [2021-11-07 02:25:28,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:28,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 02:25:29,325 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:29,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141976003] [2021-11-07 02:25:29,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141976003] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:29,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15166365] [2021-11-07 02:25:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:29,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:29,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:29,326 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 02:25:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:29,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-07 02:25:29,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 02:25:29,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 02:25:30,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15166365] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:30,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1913431051] [2021-11-07 02:25:30,634 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:25:30,634 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:30,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:30,634 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:30,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:30,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:30,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:30,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:30,648 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 36=[|v_#valid_32|]} [2021-11-07 02:25:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:30,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:30,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:30,669 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,710 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:30,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:30,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:30,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:30,715 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:30,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,722 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:30,727 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:30,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:30,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:30,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:25:30,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:25:30,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:30,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:30,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:30,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:25:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:25:30,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:30,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:30,761 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:25:30,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:25:30,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:30,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:30,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:30,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:25:30,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:25:30,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:25:30,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:30,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:30,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:30,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:30,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:30,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:30,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:25:30,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:25:30,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:25:30,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:30,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:25:30,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:25:30,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:30,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:30,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:30,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:30,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:25:30,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:30,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:30,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:30,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:30,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,042 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:25:31,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:25:31,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:31,053 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:25:31,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,106 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:31,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:31,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:31,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:31,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:31,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:31,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:31,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:31,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:31,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:31,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:31,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:31,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:31,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:31,141 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:31,142 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:31,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:31,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:31,144 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:31,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:31,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:31,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:31,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:31,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:31,153 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:31,161 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:31,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:31,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,210 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:31,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:31,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,266 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:31,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:31,276 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:31,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:31,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,387 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:25:31,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-07 02:25:31,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:31,480 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:25:31,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:25:31,492 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:33,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:33,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:33,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 54 [2021-11-07 02:25:33,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300779298] [2021-11-07 02:25:33,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-11-07 02:25:33,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-11-07 02:25:33,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1538, Invalid=2494, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 02:25:33,375 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:33,485 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2021-11-07 02:25:33,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 02:25:33,486 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 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 48 [2021-11-07 02:25:33,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:33,487 INFO L225 Difference]: With dead ends: 98 [2021-11-07 02:25:33,487 INFO L226 Difference]: Without dead ends: 76 [2021-11-07 02:25:33,489 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1538, Invalid=2494, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 02:25:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-07 02:25:33,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-07 02:25:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.04) internal successors, (78), 75 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) [2021-11-07 02:25:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2021-11-07 02:25:33,502 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 48 [2021-11-07 02:25:33,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:33,503 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2021-11-07 02:25:33,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2021-11-07 02:25:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 02:25:33,505 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:33,506 INFO L513 BasicCegarLoop]: trace histogram [52, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:33,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:33,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable218 [2021-11-07 02:25:33,723 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:33,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:33,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1751970819, now seen corresponding path program 2 times [2021-11-07 02:25:33,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:33,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988514370] [2021-11-07 02:25:33,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:33,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 02:25:35,000 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:35,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988514370] [2021-11-07 02:25:35,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988514370] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:35,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444003366] [2021-11-07 02:25:35,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:25:35,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:35,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:35,001 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:35,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 02:25:35,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-07 02:25:35,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:25:35,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-07 02:25:35,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1394 trivial. 0 not checked. [2021-11-07 02:25:36,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:36,795 INFO L354 Elim1Store]: treesize reduction 27, result has 73.8 percent of original size [2021-11-07 02:25:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 83 [2021-11-07 02:25:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 1394 trivial. 0 not checked. [2021-11-07 02:25:37,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444003366] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:37,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1980235123] [2021-11-07 02:25:37,343 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:25:37,343 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:37,344 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:37,344 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:37,344 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:37,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:37,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:37,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:37,357 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 36=[|v_#valid_33|]} [2021-11-07 02:25:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:37,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:37,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:37,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,407 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:37,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:37,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:37,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:37,411 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:37,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,420 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:37,424 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:37,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:37,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:37,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:37,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:37,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:25:37,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:25:37,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:37,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:25:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:25:37,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:37,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:37,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:25:37,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:25:37,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:37,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:37,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:25:37,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:25:37,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:25:37,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:37,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:37,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:37,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:37,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:25:37,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:25:37,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:25:37,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:25:37,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:25:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:25:37,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:37,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:37,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:37,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:37,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:37,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:37,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,717 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:25:37,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:25:37,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:37,730 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:25:37,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,770 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:37,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:37,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:37,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:37,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:37,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:37,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:37,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:37,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:37,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:37,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:37,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:37,817 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:37,818 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:37,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:37,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:37,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:37,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:37,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:37,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:37,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:37,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:37,835 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:37,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:37,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,880 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:37,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:37,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,929 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:37,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:37,939 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:37,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:37,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:37,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,015 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:25:38,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:25:38,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:38,072 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:25:38,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:25:38,084 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:40,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:40,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:40,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 9, 9] total 69 [2021-11-07 02:25:40,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156329644] [2021-11-07 02:25:40,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-11-07 02:25:40,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:40,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-11-07 02:25:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1597, Invalid=4409, Unknown=0, NotChecked=0, Total=6006 [2021-11-07 02:25:40,451 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:42,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:42,371 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2021-11-07 02:25:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-07 02:25:42,372 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 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 75 [2021-11-07 02:25:42,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:42,373 INFO L225 Difference]: With dead ends: 104 [2021-11-07 02:25:42,373 INFO L226 Difference]: Without dead ends: 82 [2021-11-07 02:25:42,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3438 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=4589, Invalid=13233, Unknown=0, NotChecked=0, Total=17822 [2021-11-07 02:25:42,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-07 02:25:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2021-11-07 02:25:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2021-11-07 02:25:42,394 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 75 [2021-11-07 02:25:42,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:42,394 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2021-11-07 02:25:42,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 69 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2021-11-07 02:25:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 02:25:42,396 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:42,397 INFO L513 BasicCegarLoop]: trace histogram [53, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:42,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:42,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable267 [2021-11-07 02:25:42,599 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:42,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1446929234, now seen corresponding path program 3 times [2021-11-07 02:25:42,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:42,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958482204] [2021-11-07 02:25:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:42,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-07 02:25:43,831 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:43,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958482204] [2021-11-07 02:25:43,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958482204] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:43,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946470286] [2021-11-07 02:25:43,832 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:25:43,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:43,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:43,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 02:25:44,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:25:44,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:25:44,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:25:44,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2021-11-07 02:25:44,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2021-11-07 02:25:44,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946470286] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:44,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2085284651] [2021-11-07 02:25:44,753 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:25:44,754 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:44,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:44,754 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:44,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:44,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:44,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:44,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:44,773 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 36=[|v_#valid_34|]} [2021-11-07 02:25:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:44,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:44,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:44,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:44,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,818 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:44,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:44,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:44,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:44,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:44,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:44,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:44,827 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:44,829 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:44,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:44,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:44,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:25:44,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:25:44,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:25:44,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:25:44,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:44,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:25:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:44,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:25:44,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:44,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:44,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:44,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:25:44,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:44,880 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:25:44,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:44,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:44,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:44,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:25:44,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:25:44,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:25:44,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,964 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:25:44,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:25:44,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:25:44,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:44,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:44,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:44,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:44,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:44,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:44,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:45,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:25:45,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:25:45,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:25:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:25:45,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:45,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:25:45,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:45,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:45,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:45,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:45,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:45,084 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:45,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,105 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:25:45,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:25:45,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:45,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:25:45,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,136 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:45,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:45,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:45,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:45,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:45,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:45,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:45,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:45,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:45,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:45,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:45,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:45,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:45,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:45,164 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:45,165 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:45,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:45,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:45,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:45,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:45,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:45,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:45,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:45,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:45,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:45,177 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:45,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:45,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,206 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:45,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:45,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,249 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:45,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:45,257 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:45,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:45,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,336 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:25:45,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:25:45,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:45,393 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:25:45,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:25:45,400 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:47,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:47,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:47,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 9, 9] total 70 [2021-11-07 02:25:47,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79262293] [2021-11-07 02:25:47,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-11-07 02:25:47,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:47,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-11-07 02:25:47,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1712, Invalid=4450, Unknown=0, NotChecked=0, Total=6162 [2021-11-07 02:25:47,663 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand has 70 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:47,820 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions. [2021-11-07 02:25:47,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-11-07 02:25:47,821 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 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 79 [2021-11-07 02:25:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:47,822 INFO L225 Difference]: With dead ends: 122 [2021-11-07 02:25:47,822 INFO L226 Difference]: Without dead ends: 97 [2021-11-07 02:25:47,824 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1712, Invalid=4450, Unknown=0, NotChecked=0, Total=6162 [2021-11-07 02:25:47,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-07 02:25:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-07 02:25:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.03125) internal successors, (99), 96 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2021-11-07 02:25:47,841 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 79 [2021-11-07 02:25:47,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:47,842 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2021-11-07 02:25:47,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2021-11-07 02:25:47,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 02:25:47,844 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:47,844 INFO L513 BasicCegarLoop]: trace histogram [54, 14, 14, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:47,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:48,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:48,060 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:48,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1161296206, now seen corresponding path program 4 times [2021-11-07 02:25:48,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:48,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093896663] [2021-11-07 02:25:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:48,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-07 02:25:49,214 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:25:49,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093896663] [2021-11-07 02:25:49,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093896663] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:25:49,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522177740] [2021-11-07 02:25:49,214 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:25:49,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:25:49,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:25:49,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:25:49,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 02:25:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:25:49,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-07 02:25:49,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:25:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-07 02:25:49,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:25:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-07 02:25:53,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522177740] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:25:53,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [899665484] [2021-11-07 02:25:53,033 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:25:53,033 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:25:53,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:25:53,034 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:25:53,034 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:25:53,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:25:53,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:25:53,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:25:53,063 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 36=[|v_#valid_35|]} [2021-11-07 02:25:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:25:53,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:53,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:25:53,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,112 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:25:53,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:25:53,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:53,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:25:53,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:25:53,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,120 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:25:53,122 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:25:53,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:53,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:53,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:53,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:25:53,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:53,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:53,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:53,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:25:53,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:25:53,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:53,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:53,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:25:53,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:25:53,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:25:53,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:25:53,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:25:53,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:25:53,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:53,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:25:53,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:53,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:25:53,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:25:53,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:25:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:25:53,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:53,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:25:53,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:25:53,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:25:53,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:53,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:25:53,359 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,392 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:25:53,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:25:53,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:25:53,398 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:25:53,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,437 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:25:53,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:53,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:53,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:53,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:53,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:25:53,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:25:53,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:25:53,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:25:53,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:25:53,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:25:53,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:25:53,471 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:25:53,472 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:25:53,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:53,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:25:53,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:25:53,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:25:53,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:25:53,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:25:53,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:25:53,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:25:53,488 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:25:53,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:25:53,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,528 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:25:53,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:25:53,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,573 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:53,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:53,579 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:25:53,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:25:53,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,641 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:25:53,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:25:53,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:25:53,701 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:25:53,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:25:53,711 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:25:55,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:25:55,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:25:55,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56, 56] total 112 [2021-11-07 02:25:55,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54524074] [2021-11-07 02:25:55,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2021-11-07 02:25:55,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:25:55,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-11-07 02:25:55,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6381, Invalid=8381, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 02:25:55,876 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand has 113 states, 113 states have (on average 1.0973451327433628) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:56,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:25:56,027 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2021-11-07 02:25:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-11-07 02:25:56,028 INFO L78 Accepts]: Start accepts. Automaton has has 113 states, 113 states have (on average 1.0973451327433628) internal successors, (124), 112 states have internal predecessors, (124), 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 96 [2021-11-07 02:25:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:25:56,030 INFO L225 Difference]: With dead ends: 194 [2021-11-07 02:25:56,030 INFO L226 Difference]: Without dead ends: 153 [2021-11-07 02:25:56,031 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=6381, Invalid=8381, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 02:25:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-07 02:25:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-07 02:25:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.019736842105263) internal successors, (155), 152 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2021-11-07 02:25:56,056 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 96 [2021-11-07 02:25:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:25:56,057 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2021-11-07 02:25:56,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 1.0973451327433628) internal successors, (124), 112 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:25:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2021-11-07 02:25:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-07 02:25:56,060 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:25:56,060 INFO L513 BasicCegarLoop]: trace histogram [110, 14, 14, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:25:56,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:25:56,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable365 [2021-11-07 02:25:56,275 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:25:56,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:25:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash 962155854, now seen corresponding path program 5 times [2021-11-07 02:25:56,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:25:56,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792898794] [2021-11-07 02:25:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:25:56,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:25:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:26:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6308 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-11-07 02:26:00,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:26:00,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792898794] [2021-11-07 02:26:00,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792898794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:26:00,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007707420] [2021-11-07 02:26:00,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:26:00,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:26:00,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:26:00,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:26:00,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 02:26:01,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-07 02:26:01,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:26:01,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-07 02:26:01,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:26:02,310 INFO L354 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2021-11-07 02:26:02,310 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 1 case distinctions, treesize of input 39 treesize of output 27 [2021-11-07 02:26:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6308 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 6226 trivial. 0 not checked. [2021-11-07 02:26:03,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:26:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6308 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 6226 trivial. 0 not checked. [2021-11-07 02:26:04,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007707420] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:26:04,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1522048081] [2021-11-07 02:26:04,219 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:26:04,219 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:26:04,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:26:04,220 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:26:04,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:26:04,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:26:04,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:26:04,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:26:04,229 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 36=[|v_#valid_36|]} [2021-11-07 02:26:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:26:04,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:04,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:04,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,270 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:26:04,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:26:04,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:04,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:04,274 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:26:04,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,278 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:26:04,288 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:26:04,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:04,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:04,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:04,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:26:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:26:04,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:04,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:04,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:26:04,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:26:04,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:26:04,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:04,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:26:04,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:26:04,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:26:04,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,424 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:04,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:04,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:04,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:26:04,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:26:04,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:26:04,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:26:04,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:26:04,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:26:04,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:26:04,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:04,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:04,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:26:04,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:26:04,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:26:04,559 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,592 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:26:04,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:26:04,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:26:04,598 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:26:04,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,636 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:26:04,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:04,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:04,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:04,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:04,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:04,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:04,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:04,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:04,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:04,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:26:04,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:26:04,674 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:26:04,677 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:26:04,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:04,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:04,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:04,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:04,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:26:04,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:26:04,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:04,695 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:26:04,703 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:26:04,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:04,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,754 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:26:04,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:26:04,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,810 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:04,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:04,821 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:04,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:04,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,923 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:26:04,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:26:04,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:04,975 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:26:04,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:26:04,984 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:26:08,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:26:08,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:26:08,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 11, 11] total 131 [2021-11-07 02:26:08,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104741844] [2021-11-07 02:26:08,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2021-11-07 02:26:08,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:26:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2021-11-07 02:26:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6470, Invalid=12990, Unknown=0, NotChecked=0, Total=19460 [2021-11-07 02:26:08,120 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand has 131 states, 131 states have (on average 1.2595419847328244) internal successors, (165), 131 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:14,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:26:14,396 INFO L93 Difference]: Finished difference Result 200 states and 205 transitions. [2021-11-07 02:26:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-11-07 02:26:14,396 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 131 states have (on average 1.2595419847328244) internal successors, (165), 131 states have internal predecessors, (165), 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 152 [2021-11-07 02:26:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:26:14,397 INFO L225 Difference]: With dead ends: 200 [2021-11-07 02:26:14,398 INFO L226 Difference]: Without dead ends: 159 [2021-11-07 02:26:14,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10874 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=19154, Invalid=45108, Unknown=0, NotChecked=0, Total=64262 [2021-11-07 02:26:14,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-07 02:26:14,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2021-11-07 02:26:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.0192307692307692) internal successors, (159), 156 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 159 transitions. [2021-11-07 02:26:14,431 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 159 transitions. Word has length 152 [2021-11-07 02:26:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:26:14,432 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 159 transitions. [2021-11-07 02:26:14,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.2595419847328244) internal successors, (165), 131 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 159 transitions. [2021-11-07 02:26:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-07 02:26:14,435 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:26:14,435 INFO L513 BasicCegarLoop]: trace histogram [111, 14, 14, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:26:14,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 02:26:14,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable414 [2021-11-07 02:26:14,647 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:26:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:26:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash 990328237, now seen corresponding path program 6 times [2021-11-07 02:26:14,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:26:14,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848338563] [2021-11-07 02:26:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:26:14,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:26:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:26:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-07 02:26:19,313 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:26:19,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848338563] [2021-11-07 02:26:19,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848338563] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:26:19,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862511593] [2021-11-07 02:26:19,313 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:26:19,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:26:19,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:26:19,317 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:26:19,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 02:26:19,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:26:19,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:26:19,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 02:26:19,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:26:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 6231 trivial. 0 not checked. [2021-11-07 02:26:20,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:26:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 6231 trivial. 0 not checked. [2021-11-07 02:26:21,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862511593] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:26:21,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [941758759] [2021-11-07 02:26:21,987 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:26:21,987 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:26:21,987 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:26:21,987 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:26:21,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:26:21,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:21,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:21,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:21,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:26:21,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:21,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:21,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:26:21,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:26:21,998 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 36=[|v_#valid_37|]} [2021-11-07 02:26:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:26:22,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:22,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:22,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,036 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:26:22,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:26:22,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:22,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:22,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:26:22,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,044 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:26:22,050 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:26:22,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:26:22,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:26:22,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:26:22,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:26:22,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:26:22,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:26:22,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:22,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:26:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:26:22,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:26:22,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:26:22,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:26:22,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:26:22,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:26:22,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:22,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:26:22,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:26:22,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:26:22,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:26:22,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:26:22,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:26:22,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:22,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:22,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:22,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:26:22,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:26:22,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:26:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:26:22,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:26:22,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:26:22,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:22,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:26:22,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:22,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:22,311 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,344 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:26:22,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:26:22,351 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:26:22,351 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:26:22,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,379 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:26:22,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:22,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:22,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:22,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:22,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:22,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:22,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:22,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:22,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:22,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:26:22,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:26:22,412 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:26:22,413 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:26:22,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:22,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:22,414 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:22,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:22,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:26:22,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:26:22,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:22,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:26:22,425 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:26:22,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:22,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,461 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:26:22,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:26:22,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,504 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:22,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:22,512 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:22,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:22,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,599 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:26:22,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:26:22,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:22,654 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:26:22,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:26:22,661 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:26:25,602 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:26:25,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:26:25,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 17, 17] total 144 [2021-11-07 02:26:25,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769970243] [2021-11-07 02:26:25,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2021-11-07 02:26:25,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:26:25,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2021-11-07 02:26:25,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6989, Invalid=16267, Unknown=0, NotChecked=0, Total=23256 [2021-11-07 02:26:25,611 INFO L87 Difference]: Start difference. First operand 157 states and 159 transitions. Second operand has 144 states, 144 states have (on average 1.2847222222222223) internal successors, (185), 144 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:26:25,890 INFO L93 Difference]: Finished difference Result 234 states and 254 transitions. [2021-11-07 02:26:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-11-07 02:26:25,891 INFO L78 Accepts]: Start accepts. Automaton has has 144 states, 144 states have (on average 1.2847222222222223) internal successors, (185), 144 states have internal predecessors, (185), 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 156 [2021-11-07 02:26:25,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:26:25,892 INFO L225 Difference]: With dead ends: 234 [2021-11-07 02:26:25,892 INFO L226 Difference]: Without dead ends: 190 [2021-11-07 02:26:25,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4732 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=6989, Invalid=16267, Unknown=0, NotChecked=0, Total=23256 [2021-11-07 02:26:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-07 02:26:25,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-11-07 02:26:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.0158730158730158) internal successors, (192), 189 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 192 transitions. [2021-11-07 02:26:25,916 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 192 transitions. Word has length 156 [2021-11-07 02:26:25,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:26:25,917 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 192 transitions. [2021-11-07 02:26:25,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 1.2847222222222223) internal successors, (185), 144 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 192 transitions. [2021-11-07 02:26:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-07 02:26:25,919 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:26:25,920 INFO L513 BasicCegarLoop]: trace histogram [112, 30, 30, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:26:25,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 02:26:26,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable463,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:26:26,135 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:26:26,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:26:26,136 INFO L85 PathProgramCache]: Analyzing trace with hash -65804315, now seen corresponding path program 7 times [2021-11-07 02:26:26,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:26:26,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142157957] [2021-11-07 02:26:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:26:26,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:26:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:26:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7243 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-11-07 02:26:30,707 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:26:30,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142157957] [2021-11-07 02:26:30,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142157957] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:26:30,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857236171] [2021-11-07 02:26:30,708 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:26:30,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:26:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:26:30,709 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:26:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 02:26:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:26:31,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-07 02:26:31,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:26:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7243 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-11-07 02:26:31,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:26:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7243 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-11-07 02:26:44,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857236171] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:26:44,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [599844920] [2021-11-07 02:26:44,590 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:26:44,590 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:26:44,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:26:44,590 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:26:44,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:26:44,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:26:44,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:26:44,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:26:44,634 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 36=[|v_#valid_38|]} [2021-11-07 02:26:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:26:44,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:44,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:26:44,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,684 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:26:44,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:26:44,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:44,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:26:44,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:26:44,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,692 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:26:44,694 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:26:44,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:44,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:44,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:44,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:26:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:26:44,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:44,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:44,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:26:44,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:26:44,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:26:44,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:44,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:26:44,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:26:44,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:26:44,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:44,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:26:44,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:44,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:44,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:44,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:26:44,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:26:44,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:26:44,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:26:44,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:26:44,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:26:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:26:44,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:26:44,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:26:44,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:26:44,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:26:44,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:44,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:26:44,917 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,944 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:26:44,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:26:44,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:26:44,953 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:26:44,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:44,992 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:26:44,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:44,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:44,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:44,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:44,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:45,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:45,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:45,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:45,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:26:45,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:26:45,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:26:45,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:26:45,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:26:45,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:26:45,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:26:45,039 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:26:45,039 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:26:45,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:45,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:26:45,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:26:45,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:26:45,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:26:45,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:26:45,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:26:45,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:26:45,048 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:26:45,053 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:26:45,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:26:45,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,084 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:26:45,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:26:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,128 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:45,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:45,136 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:26:45,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:26:45,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,229 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:26:45,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-07 02:26:45,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:26:45,285 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:26:45,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:26:45,295 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:26:48,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:26:48,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:26:48,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 114, 114] total 228 [2021-11-07 02:26:48,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441777842] [2021-11-07 02:26:48,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2021-11-07 02:26:48,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:26:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2021-11-07 02:26:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26159, Invalid=30247, Unknown=0, NotChecked=0, Total=56406 [2021-11-07 02:26:48,092 INFO L87 Difference]: Start difference. First operand 190 states and 192 transitions. Second operand has 229 states, 229 states have (on average 1.0480349344978166) internal successors, (240), 228 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:26:48,911 INFO L93 Difference]: Finished difference Result 380 states and 497 transitions. [2021-11-07 02:26:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2021-11-07 02:26:48,911 INFO L78 Accepts]: Start accepts. Automaton has has 229 states, 229 states have (on average 1.0480349344978166) internal successors, (240), 228 states have internal predecessors, (240), 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 189 [2021-11-07 02:26:48,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:26:48,913 INFO L225 Difference]: With dead ends: 380 [2021-11-07 02:26:48,913 INFO L226 Difference]: Without dead ends: 304 [2021-11-07 02:26:48,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3515 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=26159, Invalid=30247, Unknown=0, NotChecked=0, Total=56406 [2021-11-07 02:26:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-11-07 02:26:48,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2021-11-07 02:26:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.00990099009901) internal successors, (306), 303 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 306 transitions. [2021-11-07 02:26:48,942 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 306 transitions. Word has length 189 [2021-11-07 02:26:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:26:48,943 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 306 transitions. [2021-11-07 02:26:48,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 1.0480349344978166) internal successors, (240), 228 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:26:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 306 transitions. [2021-11-07 02:26:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-07 02:26:48,948 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:26:48,948 INFO L513 BasicCegarLoop]: trace histogram [226, 30, 30, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:26:48,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:26:49,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable512 [2021-11-07 02:26:49,170 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:26:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:26:49,170 INFO L85 PathProgramCache]: Analyzing trace with hash -726188315, now seen corresponding path program 8 times [2021-11-07 02:26:49,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:26:49,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120075400] [2021-11-07 02:26:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:26:49,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:26:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:27:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2021-11-07 02:27:06,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:27:06,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120075400] [2021-11-07 02:27:06,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120075400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:27:06,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102596499] [2021-11-07 02:27:06,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:27:06,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:27:06,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:27:06,567 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:27:06,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 02:27:08,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-11-07 02:27:08,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:27:09,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-07 02:27:09,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:27:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 26327 trivial. 0 not checked. [2021-11-07 02:27:12,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:27:13,263 INFO L354 Elim1Store]: treesize reduction 27, result has 73.8 percent of original size [2021-11-07 02:27:13,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 83 [2021-11-07 02:27:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 26 proven. 213 refuted. 0 times theorem prover too weak. 26327 trivial. 0 not checked. [2021-11-07 02:27:14,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102596499] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:27:14,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1805789500] [2021-11-07 02:27:14,762 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:27:14,762 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:27:14,762 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:27:14,762 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:27:14,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:27:14,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:27:14,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:27:14,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:27:14,785 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 36=[|v_#valid_39|]} [2021-11-07 02:27:14,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:27:14,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:27:14,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:27:14,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:14,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,831 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:27:14,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:27:14,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:27:14,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:27:14,838 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:14,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:27:14,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:27:14,842 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:27:14,847 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:27:14,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:27:14,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:27:14,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:27:14,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:27:14,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:27:14,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:27:14,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:27:14,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:27:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:14,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:27:14,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:27:14,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:27:14,884 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:14,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:27:14,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:27:14,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:27:14,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:14,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:14,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:14,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:14,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:14,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:27:14,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:27:14,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:27:14,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:27:14,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:27:14,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:14,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:14,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:14,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:14,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:15,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:15,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:27:15,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:27:15,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:27:15,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:15,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:15,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:15,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:15,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:27:15,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:27:15,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:27:15,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:27:15,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:27:15,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:27:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:27:15,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:27:15,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:27:15,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:27:15,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:27:15,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:27:15,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:27:15,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:15,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,133 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:27:15,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:27:15,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:27:15,140 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:27:15,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,176 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:27:15,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:27:15,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:27:15,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:27:15,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:27:15,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:15,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:15,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:27:15,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:27:15,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:27:15,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:27:15,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:27:15,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:27:15,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:27:15,209 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:27:15,209 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:27:15,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:27:15,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:27:15,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:27:15,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:27:15,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:27:15,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:27:15,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:27:15,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:27:15,220 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:27:15,227 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:27:15,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:27:15,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,268 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:27:15,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:27:15,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,310 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:27:15,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:27:15,318 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:27:15,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:27:15,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,444 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:27:15,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-07 02:27:15,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:27:15,502 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:27:15,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:27:15,512 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:27:19,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:27:19,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:27:19,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [228, 13, 13] total 251 [2021-11-07 02:27:19,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237691848] [2021-11-07 02:27:19,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2021-11-07 02:27:19,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:27:19,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2021-11-07 02:27:19,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26248, Invalid=41092, Unknown=0, NotChecked=0, Total=67340 [2021-11-07 02:27:19,761 INFO L87 Difference]: Start difference. First operand 304 states and 306 transitions. Second operand has 251 states, 251 states have (on average 1.159362549800797) internal successors, (291), 251 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:27:42,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:27:42,360 INFO L93 Difference]: Finished difference Result 386 states and 391 transitions. [2021-11-07 02:27:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2021-11-07 02:27:42,361 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 251 states have (on average 1.159362549800797) internal successors, (291), 251 states have internal predecessors, (291), 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 303 [2021-11-07 02:27:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:27:42,363 INFO L225 Difference]: With dead ends: 386 [2021-11-07 02:27:42,364 INFO L226 Difference]: Without dead ends: 310 [2021-11-07 02:27:42,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1365 GetRequests, 876 SyntacticMatches, 1 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36395 ImplicationChecksByTransitivity, 45.1s TimeCoverageRelationStatistics Valid=78482, Invalid=161128, Unknown=0, NotChecked=0, Total=239610 [2021-11-07 02:27:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-07 02:27:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 308. [2021-11-07 02:27:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 1.009771986970684) internal successors, (310), 307 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:27:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 310 transitions. [2021-11-07 02:27:42,411 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 310 transitions. Word has length 303 [2021-11-07 02:27:42,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:27:42,411 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 310 transitions. [2021-11-07 02:27:42,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 1.159362549800797) internal successors, (291), 251 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:27:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 310 transitions. [2021-11-07 02:27:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-07 02:27:42,414 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:27:42,414 INFO L513 BasicCegarLoop]: trace histogram [227, 30, 30, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:27:42,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 02:27:42,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable561,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:27:42,619 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:27:42,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:27:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash 683556038, now seen corresponding path program 9 times [2021-11-07 02:27:42,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:27:42,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725379052] [2021-11-07 02:27:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:27:42,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:27:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:27:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 26804 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2021-11-07 02:27:59,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:27:59,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725379052] [2021-11-07 02:27:59,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725379052] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:27:59,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573279007] [2021-11-07 02:27:59,907 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:27:59,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:27:59,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:27:59,908 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:27:59,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 02:28:01,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:28:01,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:28:01,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 2215 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-07 02:28:01,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 26804 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 25904 trivial. 0 not checked. [2021-11-07 02:28:04,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:28:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 26804 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 25904 trivial. 0 not checked. [2021-11-07 02:28:08,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573279007] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:28:08,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [451947839] [2021-11-07 02:28:08,245 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:28:08,245 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:28:08,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:28:08,245 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:28:08,245 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:28:08,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:28:08,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:28:08,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:28:08,278 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_28|], 36=[|v_#valid_40|]} [2021-11-07 02:28:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:28:08,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:28:08,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:28:08,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,323 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:28:08,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:28:08,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:28:08,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:28:08,326 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:28:08,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,330 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:28:08,332 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:28:08,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:28:08,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:28:08,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:28:08,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:28:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:28:08,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:28:08,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:28:08,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:28:08,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,362 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:28:08,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:28:08,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:28:08,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:28:08,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:28:08,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:28:08,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:28:08,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:28:08,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:28:08,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:28:08,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:28:08,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:28:08,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:28:08,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:28:08,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:28:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:28:08,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:28:08,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:28:08,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:28:08,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:28:08,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:28:08,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:28:08,541 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,572 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:28:08,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:28:08,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:28:08,579 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:28:08,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,655 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:28:08,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:28:08,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:28:08,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:28:08,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:28:08,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:28:08,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:28:08,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:28:08,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:28:08,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:28:08,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:28:08,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:28:08,686 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:28:08,687 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:28:08,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:28:08,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:28:08,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:28:08,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:28:08,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:28:08,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:28:08,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:28:08,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:28:08,709 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:28:08,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:28:08,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,749 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.5 percent of original size [2021-11-07 02:28:08,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:28:08,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,794 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:28:08,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:28:08,803 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:28:08,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:28:08,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,895 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:28:08,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:28:08,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:28:08,946 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:28:08,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:28:08,953 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:28:13,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:28:13,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:28:13,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 33, 33] total 292 [2021-11-07 02:28:13,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920988396] [2021-11-07 02:28:13,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 292 states [2021-11-07 02:28:13,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:28:13,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 292 interpolants. [2021-11-07 02:28:13,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28403, Invalid=61897, Unknown=0, NotChecked=0, Total=90300 [2021-11-07 02:28:13,255 INFO L87 Difference]: Start difference. First operand 308 states and 310 transitions. Second operand has 292 states, 292 states have (on average 1.25) internal successors, (365), 292 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:14,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:28:14,141 INFO L93 Difference]: Finished difference Result 452 states and 488 transitions. [2021-11-07 02:28:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2021-11-07 02:28:14,142 INFO L78 Accepts]: Start accepts. Automaton has has 292 states, 292 states have (on average 1.25) internal successors, (365), 292 states have internal predecessors, (365), 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 307 [2021-11-07 02:28:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:28:14,144 INFO L225 Difference]: With dead ends: 452 [2021-11-07 02:28:14,144 INFO L226 Difference]: Without dead ends: 373 [2021-11-07 02:28:14,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1148 GetRequests, 849 SyntacticMatches, 0 SemanticMatches, 299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16952 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=28403, Invalid=61897, Unknown=0, NotChecked=0, Total=90300 [2021-11-07 02:28:14,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-07 02:28:14,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2021-11-07 02:28:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 1.0080645161290323) internal successors, (375), 372 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 375 transitions. [2021-11-07 02:28:14,189 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 375 transitions. Word has length 307 [2021-11-07 02:28:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:28:14,190 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 375 transitions. [2021-11-07 02:28:14,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 292 states, 292 states have (on average 1.25) internal successors, (365), 292 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:28:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 375 transitions. [2021-11-07 02:28:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-07 02:28:14,193 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:28:14,193 INFO L513 BasicCegarLoop]: trace histogram [228, 62, 62, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:28:14,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 02:28:14,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable610,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:28:14,399 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:28:14,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:28:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash 454470622, now seen corresponding path program 10 times [2021-11-07 02:28:14,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:28:14,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487227299] [2021-11-07 02:28:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:28:14,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:28:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 29976 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 3870 trivial. 0 not checked. [2021-11-07 02:28:31,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:28:31,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487227299] [2021-11-07 02:28:31,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487227299] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:28:31,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634289456] [2021-11-07 02:28:31,772 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:28:31,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:28:31,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:28:31,774 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:28:31,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-07 02:28:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:28:33,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2511 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-07 02:28:33,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:28:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 29976 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 3870 trivial. 0 not checked. [2021-11-07 02:28:34,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:29:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29976 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 3870 trivial. 0 not checked. [2021-11-07 02:29:25,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634289456] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:29:25,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2061040846] [2021-11-07 02:29:25,395 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:29:25,395 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:29:25,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:29:25,396 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:29:25,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:29:25,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:29:25,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:29:25,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:29:25,409 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 36=[|v_#valid_41|]} [2021-11-07 02:29:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:29:25,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:29:25,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:29:25,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,457 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:29:25,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:29:25,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:29:25,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:29:25,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:29:25,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,469 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:29:25,471 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:29:25,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:29:25,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:29:25,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 02:29:25,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:29:25,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:29:25,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 02:29:25,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:29:25,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 02:29:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 02:29:25,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:29:25,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:29:25,498 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 02:29:25,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,507 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 02:29:25,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:29:25,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:29:25,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 02:29:25,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 02:29:25,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 02:29:25,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:29:25,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:29:25,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:29:25,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 02:29:25,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 02:29:25,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 02:29:25,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:29:25,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 02:29:25,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 02:29:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:29:25,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:29:25,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:29:25,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:29:25,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 02:29:25,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:29:25,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:29:25,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,695 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 02:29:25,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 02:29:25,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:29:25,699 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 02:29:25,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,726 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:29:25,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:29:25,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:29:25,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:29:25,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:29:25,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:29:25,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:29:25,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:29:25,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:29:25,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:29:25,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:29:25,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:29:25,758 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:29:25,758 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:29:25,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:29:25,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:29:25,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:29:25,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:29:25,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:29:25,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:29:25,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:29:25,765 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:29:25,769 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:29:25,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:29:25,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,795 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.5 percent of original size [2021-11-07 02:29:25,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:29:25,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,839 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:29:25,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:29:25,844 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:29:25,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:29:25,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,905 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:29:25,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-07 02:29:25,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:29:25,961 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:29:25,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:29:25,971 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:29:29,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:29:29,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:29:29,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [230, 230, 230] total 460 [2021-11-07 02:29:29,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733689733] [2021-11-07 02:29:29,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 461 states [2021-11-07 02:29:29,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:29:30,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 461 interpolants. [2021-11-07 02:29:30,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106083, Invalid=114347, Unknown=0, NotChecked=0, Total=220430 [2021-11-07 02:29:30,025 INFO L87 Difference]: Start difference. First operand 373 states and 375 transitions. Second operand has 461 states, 461 states have (on average 1.0238611713665944) internal successors, (472), 460 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:32,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:29:32,946 INFO L93 Difference]: Finished difference Result 746 states and 979 transitions. [2021-11-07 02:29:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2021-11-07 02:29:32,947 INFO L78 Accepts]: Start accepts. Automaton has has 461 states, 461 states have (on average 1.0238611713665944) internal successors, (472), 460 states have internal predecessors, (472), 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 372 [2021-11-07 02:29:32,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:29:32,950 INFO L225 Difference]: With dead ends: 746 [2021-11-07 02:29:32,950 INFO L226 Difference]: Without dead ends: 603 [2021-11-07 02:29:32,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1344 GetRequests, 876 SyntacticMatches, 0 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7111 ImplicationChecksByTransitivity, 70.9s TimeCoverageRelationStatistics Valid=106083, Invalid=114347, Unknown=0, NotChecked=0, Total=220430 [2021-11-07 02:29:32,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2021-11-07 02:29:33,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2021-11-07 02:29:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 602 states have (on average 1.004983388704319) internal successors, (605), 602 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 605 transitions. [2021-11-07 02:29:33,019 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 605 transitions. Word has length 372 [2021-11-07 02:29:33,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:29:33,020 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 605 transitions. [2021-11-07 02:29:33,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 461 states, 461 states have (on average 1.0238611713665944) internal successors, (472), 460 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:29:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 605 transitions. [2021-11-07 02:29:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-11-07 02:29:33,025 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:29:33,026 INFO L513 BasicCegarLoop]: trace histogram [458, 62, 62, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:29:33,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-11-07 02:29:33,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable659,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:29:33,239 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:29:33,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:29:33,240 INFO L85 PathProgramCache]: Analyzing trace with hash -725774626, now seen corresponding path program 11 times [2021-11-07 02:29:33,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:29:33,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164824440] [2021-11-07 02:29:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:29:33,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:29:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:30:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 108981 backedges. 0 proven. 105111 refuted. 0 times theorem prover too weak. 3870 trivial. 0 not checked. [2021-11-07 02:30:42,932 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:30:42,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164824440] [2021-11-07 02:30:42,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164824440] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:30:42,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365046841] [2021-11-07 02:30:42,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:30:42,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:30:42,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:30:42,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:30:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 02:30:50,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-07 02:30:50,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:30:50,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-07 02:30:50,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:30:52,954 INFO L354 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2021-11-07 02:30:52,954 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 1 case distinctions, treesize of input 39 treesize of output 27 [2021-11-07 02:30:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 108981 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 108360 trivial. 0 not checked. [2021-11-07 02:30:57,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:31:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 108981 backedges. 575 proven. 46 refuted. 0 times theorem prover too weak. 108360 trivial. 0 not checked. [2021-11-07 02:31:01,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365046841] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:31:01,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [584962959] [2021-11-07 02:31:01,245 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:31:01,245 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:31:01,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:31:01,246 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:31:01,246 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:31:01,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:31:01,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:31:01,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:31:01,274 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_30|], 36=[|v_#valid_42|]} [2021-11-07 02:31:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:31:01,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:31:01,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:31:01,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,323 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:31:01,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:31:01,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:31:01,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:31:01,327 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:31:01,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,334 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:31:01,337 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:31:01,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:31:01,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:31:01,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:31:01,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:31:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:31:01,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:31:01,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:31:01,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:31:01,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:31:01,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:31:01,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:31:01,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:31:01,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:31:01,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:31:01,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:31:01,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:31:01,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:31:01,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:31:01,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:31:01,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:31:01,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:31:01,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:31:01,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:31:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:31:01,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:31:01,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:31:01,521 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:31:01,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:31:01,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:31:01,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:31:01,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,584 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:31:01,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:31:01,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:31:01,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:31:01,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,629 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:31:01,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:31:01,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:31:01,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:31:01,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:31:01,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:31:01,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:31:01,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:31:01,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:31:01,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:31:01,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:31:01,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:31:01,661 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:31:01,662 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:31:01,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:31:01,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:31:01,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:31:01,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:31:01,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:31:01,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:31:01,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:31:01,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:31:01,679 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:31:01,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 02:31:01,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,719 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.5 percent of original size [2021-11-07 02:31:01,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:31:01,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,754 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:31:01,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:31:01,759 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:31:01,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:31:01,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,825 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:31:01,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-07 02:31:01,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:31:01,884 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:31:01,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:31:01,891 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:31:08,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:31:08,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:31:08,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [460, 15, 15] total 487 [2021-11-07 02:31:08,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180424906] [2021-11-07 02:31:08,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 487 states [2021-11-07 02:31:08,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:31:08,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 487 interpolants. [2021-11-07 02:31:08,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106222, Invalid=139298, Unknown=0, NotChecked=0, Total=245520 [2021-11-07 02:31:08,763 INFO L87 Difference]: Start difference. First operand 603 states and 605 transitions. Second operand has 487 states, 487 states have (on average 1.0944558521560575) internal successors, (533), 487 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:32:37,625 INFO L93 Difference]: Finished difference Result 752 states and 757 transitions. [2021-11-07 02:32:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 476 states. [2021-11-07 02:32:37,625 INFO L78 Accepts]: Start accepts. Automaton has has 487 states, 487 states have (on average 1.0944558521560575) internal successors, (533), 487 states have internal predecessors, (533), 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 602 [2021-11-07 02:32:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:32:37,631 INFO L225 Difference]: With dead ends: 752 [2021-11-07 02:32:37,632 INFO L226 Difference]: Without dead ends: 609 [2021-11-07 02:32:37,676 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2726 GetRequests, 1769 SyntacticMatches, 1 SemanticMatches, 956 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128910 ImplicationChecksByTransitivity, 164.7s TimeCoverageRelationStatistics Valid=318314, Invalid=598492, Unknown=0, NotChecked=0, Total=916806 [2021-11-07 02:32:37,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-11-07 02:32:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 607. [2021-11-07 02:32:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 1.004950495049505) internal successors, (609), 606 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 609 transitions. [2021-11-07 02:32:37,746 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 609 transitions. Word has length 602 [2021-11-07 02:32:37,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:32:37,747 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 609 transitions. [2021-11-07 02:32:37,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 487 states, 487 states have (on average 1.0944558521560575) internal successors, (533), 487 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 609 transitions. [2021-11-07 02:32:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-11-07 02:32:37,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:32:37,754 INFO L513 BasicCegarLoop]: trace histogram [459, 62, 62, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:32:37,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-07 02:32:37,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable708,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:32:37,967 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:32:37,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:32:37,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1678758941, now seen corresponding path program 12 times [2021-11-07 02:32:37,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:32:37,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278112907] [2021-11-07 02:32:37,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:32:37,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:32:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:33:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 109454 backedges. 0 proven. 105570 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2021-11-07 02:33:48,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:33:48,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278112907] [2021-11-07 02:33:48,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278112907] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:33:48,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53033680] [2021-11-07 02:33:48,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:33:48,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:33:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:33:48,819 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:33:48,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 02:33:51,400 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:33:51,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:33:51,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 4371 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-07 02:33:51,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:34:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 109454 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 105610 trivial. 0 not checked. [2021-11-07 02:34:03,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:34:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 109454 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 105610 trivial. 0 not checked. [2021-11-07 02:34:17,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53033680] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:34:17,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1784162175] [2021-11-07 02:34:17,983 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 02:34:17,984 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:34:17,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:34:17,984 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:34:17,984 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:34:18,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:34:18,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 02:34:18,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 02:34:18,007 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 36=[|v_#valid_43|]} [2021-11-07 02:34:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 02:34:18,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:34:18,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 02:34:18,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,057 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 02:34:18,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 02:34:18,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:34:18,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:34:18,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 02:34:18,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,067 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 02:34:18,069 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 02:34:18,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:34:18,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:34:18,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:34:18,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 02:34:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:34:18,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:34:18,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:34:18,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 02:34:18,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,096 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 02:34:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:34:18,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:34:18,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 02:34:18,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:34:18,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 02:34:18,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 02:34:18,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 02:34:18,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 02:34:18,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:34:18,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 02:34:18,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:34:18,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 02:34:18,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:34:18,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 02:34:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 02:34:18,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:34:18,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 02:34:18,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:34:18,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 02:34:18,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:34:18,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 02:34:18,259 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,282 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 02:34:18,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 02:34:18,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:34:18,286 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 02:34:18,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,316 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 02:34:18,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:34:18,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:34:18,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:34:18,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:34:18,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:34:18,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:34:18,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 02:34:18,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:34:18,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 02:34:18,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 02:34:18,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 02:34:18,342 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 02:34:18,342 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 02:34:18,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:34:18,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:34:18,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:34:18,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:34:18,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:34:18,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 02:34:18,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:34:18,349 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 02:34:18,353 INFO L180 QuantifierPusher]: treesize reduction 43, result has 68.8 percent of original size [2021-11-07 02:34:18,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:34:18,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,380 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.3 percent of original size [2021-11-07 02:34:18,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-07 02:34:18,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,408 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:34:18,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:34:18,413 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.2 percent of original size [2021-11-07 02:34:18,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 02:34:18,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,478 INFO L180 QuantifierPusher]: treesize reduction 16, result has 95.4 percent of original size [2021-11-07 02:34:18,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-11-07 02:34:18,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:34:18,516 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.3 percent of original size [2021-11-07 02:34:18,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-11-07 02:34:18,523 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:34:26,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:34:26,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:34:26,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [461, 65, 65] total 588 [2021-11-07 02:34:26,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130957201] [2021-11-07 02:34:26,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 588 states [2021-11-07 02:34:26,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:34:26,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 588 interpolants. [2021-11-07 02:34:26,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114671, Invalid=241141, Unknown=0, NotChecked=0, Total=355812 [2021-11-07 02:34:26,102 INFO L87 Difference]: Start difference. First operand 607 states and 609 transitions. Second operand has 588 states, 588 states have (on average 1.2329931972789117) internal successors, (725), 588 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:34:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:34:30,956 INFO L93 Difference]: Finished difference Result 882 states and 950 transitions. [2021-11-07 02:34:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 588 states. [2021-11-07 02:34:30,960 INFO L78 Accepts]: Start accepts. Automaton has has 588 states, 588 states have (on average 1.2329931972789117) internal successors, (725), 588 states have internal predecessors, (725), 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 606 [2021-11-07 02:34:30,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:34:30,965 INFO L225 Difference]: With dead ends: 882 [2021-11-07 02:34:30,965 INFO L226 Difference]: Without dead ends: 736 [2021-11-07 02:34:30,981 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2277 GetRequests, 1682 SyntacticMatches, 0 SemanticMatches, 595 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63664 ImplicationChecksByTransitivity, 99.5s TimeCoverageRelationStatistics Valid=114671, Invalid=241141, Unknown=0, NotChecked=0, Total=355812 [2021-11-07 02:34:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2021-11-07 02:34:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2021-11-07 02:34:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 735 states have (on average 1.0040816326530613) internal successors, (738), 735 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:34:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 738 transitions. [2021-11-07 02:34:31,070 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 738 transitions. Word has length 606 [2021-11-07 02:34:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:34:31,071 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 738 transitions. [2021-11-07 02:34:31,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 588 states, 588 states have (on average 1.2329931972789117) internal successors, (725), 588 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:34:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 738 transitions. [2021-11-07 02:34:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2021-11-07 02:34:31,077 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:34:31,077 INFO L513 BasicCegarLoop]: trace histogram [460, 126, 126, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:34:31,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-07 02:34:31,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c02aa4a-e133-4ef0-b35b-3b9cca29c7ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable757 [2021-11-07 02:34:31,278 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:34:31,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:34:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash 240980325, now seen corresponding path program 13 times [2021-11-07 02:34:31,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:34:31,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536798079] [2021-11-07 02:34:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:34:31,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:34:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat