./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_two_index_07.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_two_index_07.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dab8665a28c2bbd1b423d2ce2720a6327cfb393a457dca88feb0fe7cdfd90ee --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:37:10,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:37:10,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:37:10,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:37:10,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:37:10,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:37:10,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:37:10,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:37:10,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:37:10,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:37:10,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:37:10,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:37:10,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:37:10,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:37:10,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:37:10,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:37:10,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:37:10,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:37:10,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:37:10,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:37:10,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:37:10,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:37:10,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:37:10,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:37:10,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:37:10,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:37:10,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:37:10,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:37:10,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:37:10,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:37:10,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:37:10,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:37:10,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:37:10,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:37:10,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:37:10,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:37:10,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:37:10,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:37:10,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:37:10,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:37:10,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:37:10,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:37:10,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:37:10,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:37:10,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:37:10,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:37:10,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:37:10,849 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:37:10,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:37:10,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:37:10,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:37:10,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:37:10,857 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:37:10,857 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:37:10,858 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:37:10,858 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:37:10,858 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:37:10,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:37:10,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:37:10,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:37:10,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:37:10,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:37:10,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:37:10,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:37:10,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:37:10,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:37:10,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:37:10,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:37:10,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:37:10,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:37:10,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:37:10,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:37:10,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:37:10,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:37:10,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:37:10,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:37:10,865 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:37:10,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:37:10,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:37:10,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:37:10,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:37:10,867 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_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dab8665a28c2bbd1b423d2ce2720a6327cfb393a457dca88feb0fe7cdfd90ee [2021-11-03 05:37:11,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:37:11,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:37:11,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:37:11,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:37:11,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:37:11,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-examples/standard_two_index_07.i [2021-11-03 05:37:11,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/data/748abec6f/6cc2d424e49b45b5a934b4cee4072c27/FLAG06344bfbb [2021-11-03 05:37:11,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:37:11,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/sv-benchmarks/c/array-examples/standard_two_index_07.i [2021-11-03 05:37:11,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/data/748abec6f/6cc2d424e49b45b5a934b4cee4072c27/FLAG06344bfbb [2021-11-03 05:37:12,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/data/748abec6f/6cc2d424e49b45b5a934b4cee4072c27 [2021-11-03 05:37:12,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:37:12,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:37:12,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:37:12,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:37:12,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:37:12,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f381522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12, skipping insertion in model container [2021-11-03 05:37:12,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:37:12,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:37:12,321 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_f3929c59-96c0-4e31-ac75-746a88fdc8c3/sv-benchmarks/c/array-examples/standard_two_index_07.i[814,827] [2021-11-03 05:37:12,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:37:12,346 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:37:12,357 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_f3929c59-96c0-4e31-ac75-746a88fdc8c3/sv-benchmarks/c/array-examples/standard_two_index_07.i[814,827] [2021-11-03 05:37:12,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:37:12,377 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:37:12,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12 WrapperNode [2021-11-03 05:37:12,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:37:12,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:37:12,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:37:12,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:37:12,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:37:12,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:37:12,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:37:12,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:37:12,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:37:12,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:37:12,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:37:12,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:37:12,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (1/1) ... [2021-11-03 05:37:12,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:37:12,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:12,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:37:12,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:37:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:37:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:37:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:37:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:37:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:37:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:37:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:37:12,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:37:12,804 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-03 05:37:12,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:12 BoogieIcfgContainer [2021-11-03 05:37:12,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:37:12,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:37:12,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:37:12,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:37:12,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:37:12" (1/3) ... [2021-11-03 05:37:12,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1cfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:12, skipping insertion in model container [2021-11-03 05:37:12,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:37:12" (2/3) ... [2021-11-03 05:37:12,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1cfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:12, skipping insertion in model container [2021-11-03 05:37:12,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:12" (3/3) ... [2021-11-03 05:37:12,817 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_two_index_07.i [2021-11-03 05:37:12,822 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:37:12,823 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:37:12,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:37:12,897 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:37:12,897 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:37:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 05:37:12,936 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:12,937 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 05:37:12,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1745982706, now seen corresponding path program 1 times [2021-11-03 05:37:12,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:12,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330210748] [2021-11-03 05:37:12,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:12,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:13,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:13,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330210748] [2021-11-03 05:37:13,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330210748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:13,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:37:13,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:37:13,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594955523] [2021-11-03 05:37:13,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:37:13,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:13,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:37:13,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:37:13,247 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:13,308 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-11-03 05:37:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:37:13,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-03 05:37:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:13,319 INFO L225 Difference]: With dead ends: 17 [2021-11-03 05:37:13,320 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 05:37:13,324 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 [2021-11-03 05:37:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 05:37:13,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 05:37:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2021-11-03 05:37:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-03 05:37:13,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2021-11-03 05:37:13,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:13,360 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-03 05:37:13,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-03 05:37:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:37:13,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:13,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:13,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:37:13,363 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:13,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash 276578033, now seen corresponding path program 1 times [2021-11-03 05:37:13,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:13,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306753692] [2021-11-03 05:37:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:13,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:13,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:13,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306753692] [2021-11-03 05:37:13,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306753692] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:13,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259524170] [2021-11-03 05:37:13,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:13,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:13,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:13,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:13,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:37:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:13,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:37:13,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:37:13,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 05:37:13,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259524170] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:13,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 05:37:13,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2021-11-03 05:37:13,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512938103] [2021-11-03 05:37:13,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:37:13,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:13,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:37:13,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:37:13,609 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:13,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:13,648 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-03 05:37:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:37:13,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 05:37:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:13,649 INFO L225 Difference]: With dead ends: 24 [2021-11-03 05:37:13,649 INFO L226 Difference]: Without dead ends: 18 [2021-11-03 05:37:13,650 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:37:13,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-03 05:37:13,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 12. [2021-11-03 05:37:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-03 05:37:13,655 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2021-11-03 05:37:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:13,655 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-03 05:37:13,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-03 05:37:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:37:13,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:13,656 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:13,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:13,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:13,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:13,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1613563666, now seen corresponding path program 1 times [2021-11-03 05:37:13,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:13,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749402393] [2021-11-03 05:37:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:13,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:37:13,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:13,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749402393] [2021-11-03 05:37:13,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749402393] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:13,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850750631] [2021-11-03 05:37:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:13,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:13,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:13,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:13,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:37:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:14,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:37:14,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:37:14,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:37:14,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850750631] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:14,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1903074235] [2021-11-03 05:37:14,140 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:14,140 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:14,145 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:14,150 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:14,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:14,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:14,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:14,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:14,296 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_29|]} [2021-11-03 05:37:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,338 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 [2021-11-03 05:37:14,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:14,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:14,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:14,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,451 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:14,452 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 [2021-11-03 05:37:14,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:14,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:14,460 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:14,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:14,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:14,485 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:14,496 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:14,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:37:14,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:14,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:14,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:14,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:37:14,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:37:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 05:37:14,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:14,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:14,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:14,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 05:37:14,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:14,622 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-03 05:37:14,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:14,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:14,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:14,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:14,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:14,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-03 05:37:14,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-03 05:37:14,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-03 05:37:14,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:14,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:14,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:14,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 05:37:14,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 05:37:14,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:14,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:14,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:14,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:14,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:14,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-03 05:37:14,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:14,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-03 05:37:14,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-03 05:37:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:14,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:14,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:14,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:14,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:14,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 05:37:15,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:15,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:15,043 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,154 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-03 05:37:15,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-03 05:37:15,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:15,181 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-03 05:37:15,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,287 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:15,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:15,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:15,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:15,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:15,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:15,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:15,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:15,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:15,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:37:15,321 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:37:15,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:15,326 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:37:15,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:15,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:15,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 05:37:15,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-11-03 05:37:15,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:15,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:15,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 05:37:15,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 05:37:15,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 05:37:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:15,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:37:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:15,499 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:37:15,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 56 [2021-11-03 05:37:15,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:15,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:15,510 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,539 INFO L180 QuantifierPusher]: treesize reduction 98, result has 60.2 percent of original size [2021-11-03 05:37:15,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:15,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:15,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:250, output treesize:148 [2021-11-03 05:37:15,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,590 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:37:15,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:15,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:15,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:15,617 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:37:15,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:15,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:15,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:15,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:15,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:37:15,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:15,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:37:15,632 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:37:15,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:15,641 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:16,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:16,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:16,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2021-11-03 05:37:16,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148330729] [2021-11-03 05:37:16,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 05:37:16,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:16,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 05:37:16,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:37:16,042 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-03 05:37:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:16,124 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-11-03 05:37:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 05:37:16,125 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) Word has length 10 [2021-11-03 05:37:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:16,127 INFO L225 Difference]: With dead ends: 48 [2021-11-03 05:37:16,127 INFO L226 Difference]: Without dead ends: 40 [2021-11-03 05:37:16,128 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:37:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-03 05:37:16,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 20. [2021-11-03 05:37:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-03 05:37:16,136 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 10 [2021-11-03 05:37:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:16,136 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-03 05:37:16,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-11-03 05:37:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-03 05:37:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 05:37:16,137 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:16,138 INFO L513 BasicCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:16,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:16,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:16,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash 834469774, now seen corresponding path program 2 times [2021-11-03 05:37:16,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:16,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485662045] [2021-11-03 05:37:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:16,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 05:37:16,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:16,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485662045] [2021-11-03 05:37:16,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485662045] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:16,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027455800] [2021-11-03 05:37:16,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:37:16,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:16,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:16,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:37:16,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 05:37:16,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:16,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:37:16,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 05:37:16,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 05:37:16,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027455800] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:16,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [233397900] [2021-11-03 05:37:16,734 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:16,734 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:16,735 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:16,735 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:16,735 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:16,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:16,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:16,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:16,757 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_30|]} [2021-11-03 05:37:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,777 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 [2021-11-03 05:37:16,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:16,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:16,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:16,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:16,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,829 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:16,829 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 [2021-11-03 05:37:16,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:16,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:16,834 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:16,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:16,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:16,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:16,845 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:16,849 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:16,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:16,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:16,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:16,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:16,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:16,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:16,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:16,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:16,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:16,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:16,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:16,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:16,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:16,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:16,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:16,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-03 05:37:16,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:16,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:16,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:17,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:17,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:37:17,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 05:37:17,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:37:17,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:17,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:17,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:17,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:37:17,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:37:17,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:17,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:17,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:17,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:17,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-03 05:37:17,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:37:17,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:37:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:17,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:17,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:17,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 05:37:17,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:17,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:17,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,265 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-03 05:37:17,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-03 05:37:17,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:17,276 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-03 05:37:17,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,366 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:17,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:17,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:17,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:17,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:17,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:17,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:17,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:17,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:37:17,417 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:37:17,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:17,424 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:37:17,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:17,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 05:37:17,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,448 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-11-03 05:37:17,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:17,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 05:37:17,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 05:37:17,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 05:37:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:17,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:37:17,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:17,549 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:37:17,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 56 [2021-11-03 05:37:17,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:17,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:17,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,579 INFO L180 QuantifierPusher]: treesize reduction 98, result has 60.2 percent of original size [2021-11-03 05:37:17,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:17,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:17,582 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:250, output treesize:148 [2021-11-03 05:37:17,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,631 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:37:17,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:17,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:17,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:17,658 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:37:17,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:17,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:17,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:17,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:17,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:37:17,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:17,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:37:17,673 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:37:17,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:17,681 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:18,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:18,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:18,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-03 05:37:18,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273236915] [2021-11-03 05:37:18,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 05:37:18,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:18,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 05:37:18,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-03 05:37:18,038 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:18,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:18,155 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2021-11-03 05:37:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 05:37:18,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 05:37:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:18,159 INFO L225 Difference]: With dead ends: 84 [2021-11-03 05:37:18,159 INFO L226 Difference]: Without dead ends: 74 [2021-11-03 05:37:18,160 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=176, Unknown=0, NotChecked=0, Total=306 [2021-11-03 05:37:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-03 05:37:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 28. [2021-11-03 05:37:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-03 05:37:18,174 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2021-11-03 05:37:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:18,174 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-03 05:37:18,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-03 05:37:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 05:37:18,176 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:18,176 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:18,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:18,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:18,397 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:18,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:18,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1432723566, now seen corresponding path program 3 times [2021-11-03 05:37:18,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:18,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391383171] [2021-11-03 05:37:18,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:18,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 05:37:18,622 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:18,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391383171] [2021-11-03 05:37:18,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391383171] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:18,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361797707] [2021-11-03 05:37:18,622 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:37:18,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:18,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:18,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:37:18,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:37:18,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:18,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 05:37:18,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 05:37:18,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 05:37:19,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361797707] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:19,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [25597148] [2021-11-03 05:37:19,170 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:19,170 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:19,170 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:19,170 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:19,171 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:19,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:19,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:19,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:19,185 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_31|]} [2021-11-03 05:37:19,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,203 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 [2021-11-03 05:37:19,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,258 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:19,259 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 [2021-11-03 05:37:19,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:19,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:19,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:19,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,281 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:19,288 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:19,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:19,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:19,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:19,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:19,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:19,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:19,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:19,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:19,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-03 05:37:19,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:19,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:19,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:37:19,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 05:37:19,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:37:19,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:19,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:19,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:19,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:19,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:19,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:19,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:19,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:37:19,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:37:19,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-03 05:37:19,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:37:19,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:37:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:19,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:19,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:19,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 05:37:19,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:19,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:19,547 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,593 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-03 05:37:19,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-03 05:37:19,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:19,599 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-03 05:37:19,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,657 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:19,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:19,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:19,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:19,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:19,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:19,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:19,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:19,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,678 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:37:19,682 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:37:19,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:19,686 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:37:19,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:19,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-03 05:37:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-03 05:37:19,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:19,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:19,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:37:19,703 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,703 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-03 05:37:19,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:19,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:37:19,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:37:19,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-03 05:37:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:37:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,766 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:37:19,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-03 05:37:19,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:19,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:19,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:19,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:19,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,798 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-03 05:37:19,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:37:19,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:19,801 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-03 05:37:19,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,832 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:37:19,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:19,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:19,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:19,854 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:37:19,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:19,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:19,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:19,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:19,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:37:19,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:19,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:37:19,866 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:37:19,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:19,872 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:20,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:20,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:20,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2021-11-03 05:37:20,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199826263] [2021-11-03 05:37:20,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-03 05:37:20,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:20,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-03 05:37:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=810, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 05:37:20,238 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:20,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:20,441 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2021-11-03 05:37:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-03 05:37:20,442 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 05:37:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:20,444 INFO L225 Difference]: With dead ends: 133 [2021-11-03 05:37:20,444 INFO L226 Difference]: Without dead ends: 117 [2021-11-03 05:37:20,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=672, Invalid=810, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 05:37:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-03 05:37:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 52. [2021-11-03 05:37:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-11-03 05:37:20,454 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 26 [2021-11-03 05:37:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:20,454 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-11-03 05:37:20,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-11-03 05:37:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 05:37:20,456 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:20,457 INFO L513 BasicCegarLoop]: trace histogram [31, 13, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:20,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:20,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:20,680 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash -862233097, now seen corresponding path program 4 times [2021-11-03 05:37:20,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:20,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884840850] [2021-11-03 05:37:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:20,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2021-11-03 05:37:20,884 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:20,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884840850] [2021-11-03 05:37:20,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884840850] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:20,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591827961] [2021-11-03 05:37:20,885 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:37:20,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:20,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:20,886 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:20,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:37:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:21,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-03 05:37:21,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-03 05:37:21,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-03 05:37:22,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591827961] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:22,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [322950012] [2021-11-03 05:37:22,471 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:22,471 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:22,471 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:22,471 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:22,472 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:22,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:22,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:22,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:22,489 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_32|]} [2021-11-03 05:37:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,506 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 [2021-11-03 05:37:22,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:22,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:22,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,551 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:22,551 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 [2021-11-03 05:37:22,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:22,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:22,556 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:22,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,566 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:22,571 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:22,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:22,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:22,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:22,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:22,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:22,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:22,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:22,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:22,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,621 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-03 05:37:22,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:22,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:22,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:37:22,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 05:37:22,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:37:22,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:22,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:22,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:22,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:22,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:22,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:22,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:22,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:37:22,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:37:22,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-03 05:37:22,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:37:22,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:37:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:22,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:22,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:22,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 05:37:22,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:22,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:22,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,857 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-03 05:37:22,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-03 05:37:22,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:22,863 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-03 05:37:22,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,915 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:22,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:22,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:22,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:22,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:22,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:22,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:22,936 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:22,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,942 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:37:22,947 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:37:22,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:22,952 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:37:22,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:22,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-03 05:37:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:22,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-03 05:37:22,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:22,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:22,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:37:22,969 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:22,970 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-03 05:37:22,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:22,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:22,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:22,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:22,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:22,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:37:22,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:23,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:37:23,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-03 05:37:23,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:23,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:23,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:37:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:23,034 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:37:23,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-03 05:37:23,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:23,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:37:23,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:23,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:23,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:23,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:23,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:23,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,075 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-03 05:37:23,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:37:23,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:23,077 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-03 05:37:23,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,106 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:37:23,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:23,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:23,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:23,132 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:37:23,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:23,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:23,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:23,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:23,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:23,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:23,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:37:23,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:23,142 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:37:23,146 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:37:23,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:23,152 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:23,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:23,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:23,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 33, 33] total 76 [2021-11-03 05:37:23,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734660107] [2021-11-03 05:37:23,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2021-11-03 05:37:23,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:23,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-11-03 05:37:23,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3087, Invalid=3393, Unknown=0, NotChecked=0, Total=6480 [2021-11-03 05:37:23,497 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 76 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 76 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:24,066 INFO L93 Difference]: Finished difference Result 214 states and 265 transitions. [2021-11-03 05:37:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-03 05:37:24,067 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 76 states have internal predecessors, (88), 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 50 [2021-11-03 05:37:24,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:24,072 INFO L225 Difference]: With dead ends: 214 [2021-11-03 05:37:24,072 INFO L226 Difference]: Without dead ends: 195 [2021-11-03 05:37:24,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3681 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3087, Invalid=3393, Unknown=0, NotChecked=0, Total=6480 [2021-11-03 05:37:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-03 05:37:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 100. [2021-11-03 05:37:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.0303030303030303) internal successors, (102), 99 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2021-11-03 05:37:24,100 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 50 [2021-11-03 05:37:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:24,101 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2021-11-03 05:37:24,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 76 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2021-11-03 05:37:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-03 05:37:24,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:24,106 INFO L513 BasicCegarLoop]: trace histogram [73, 19, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:24,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:24,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:24,321 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:24,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:24,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1329564777, now seen corresponding path program 5 times [2021-11-03 05:37:24,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:24,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372985178] [2021-11-03 05:37:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:24,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2021-11-03 05:37:24,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:24,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372985178] [2021-11-03 05:37:24,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372985178] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:24,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783115991] [2021-11-03 05:37:24,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:37:24,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:24,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:24,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:24,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 05:37:50,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-03 05:37:50,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:50,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-03 05:37:50,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2021-11-03 05:37:50,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2021-11-03 05:37:51,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783115991] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:51,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [576384596] [2021-11-03 05:37:51,237 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:51,237 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:51,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:51,237 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:51,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:51,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:51,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:51,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:51,250 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_33|]} [2021-11-03 05:37:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,269 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 [2021-11-03 05:37:51,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,317 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:51,318 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 [2021-11-03 05:37:51,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:51,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:51,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:51,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,333 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:51,338 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:51,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:37:51,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 05:37:51,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:51,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 05:37:51,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 05:37:51,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 05:37:51,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:51,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 05:37:51,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-03 05:37:51,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:137 [2021-11-03 05:37:51,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:51,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:51,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 299 [2021-11-03 05:37:51,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-03 05:37:51,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-03 05:37:51,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:51,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:51,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:51,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:51,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:51,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:51,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 05:37:51,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 05:37:51,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 05:37:51,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-03 05:37:51,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-03 05:37:51,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-03 05:37:51,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:51,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:51,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:51,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 05:37:51,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:51,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 05:37:51,545 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,582 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.3 percent of original size [2021-11-03 05:37:51,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-03 05:37:51,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:51,588 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:437, output treesize:335 [2021-11-03 05:37:51,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,656 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:51,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:51,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:51,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:51,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:51,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:51,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:51,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:51,674 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,674 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:37:51,678 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:37:51,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:51,681 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:37:51,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-03 05:37:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:51,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-03 05:37:51,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:65 [2021-11-03 05:37:51,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:51,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-03 05:37:51,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 05:37:51,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-03 05:37:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:37:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,763 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:37:51,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 56 [2021-11-03 05:37:51,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:51,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-03 05:37:51,767 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:51,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:51,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,790 INFO L180 QuantifierPusher]: treesize reduction 98, result has 60.2 percent of original size [2021-11-03 05:37:51,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 05:37:51,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:51,792 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:250, output treesize:148 [2021-11-03 05:37:51,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,814 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:37:51,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:51,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:51,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:51,842 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:37:51,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:37:51,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:51,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:51,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:51,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:37:51,849 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:51,849 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:37:51,853 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:37:51,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:37:51,859 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:37:52,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:37:52,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:37:52,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 43 [2021-11-03 05:37:52,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685510296] [2021-11-03 05:37:52,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-03 05:37:52,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:37:52,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-03 05:37:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1045, Invalid=1211, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 05:37:52,159 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand has 43 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:52,601 INFO L93 Difference]: Finished difference Result 322 states and 345 transitions. [2021-11-03 05:37:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-03 05:37:52,602 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-11-03 05:37:52,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:52,606 INFO L225 Difference]: With dead ends: 322 [2021-11-03 05:37:52,607 INFO L226 Difference]: Without dead ends: 317 [2021-11-03 05:37:52,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1045, Invalid=1211, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 05:37:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-11-03 05:37:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 121. [2021-11-03 05:37:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.025) internal successors, (123), 120 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2021-11-03 05:37:52,636 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 98 [2021-11-03 05:37:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:52,637 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2021-11-03 05:37:52,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2021-11-03 05:37:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 05:37:52,643 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:52,643 INFO L513 BasicCegarLoop]: trace histogram [73, 40, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:52,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:52,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:52,844 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:37:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:52,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1240014961, now seen corresponding path program 6 times [2021-11-03 05:37:52,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:37:52,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535126188] [2021-11-03 05:37:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:52,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:37:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3521 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2021-11-03 05:37:53,788 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:37:53,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535126188] [2021-11-03 05:37:53,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535126188] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:37:53,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039214058] [2021-11-03 05:37:53,789 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:37:53,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:37:53,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:37:53,793 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:37:53,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 05:37:54,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:37:54,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:37:54,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-03 05:37:54,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3521 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-11-03 05:37:55,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3521 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-11-03 05:37:59,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039214058] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:37:59,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1655543771] [2021-11-03 05:37:59,553 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:37:59,554 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:37:59,554 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:37:59,554 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:37:59,554 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:37:59,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:37:59,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:59,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:37:59,587 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_34|]} [2021-11-03 05:37:59,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,611 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 [2021-11-03 05:37:59,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:59,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:37:59,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,650 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:37:59,651 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 [2021-11-03 05:37:59,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:59,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:37:59,655 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:37:59,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,662 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:37:59,666 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:37:59,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:59,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:59,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:59,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:59,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:59,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:59,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:59,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:59,697 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:37:59,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-03 05:37:59,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:59,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:59,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:37:59,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 05:37:59,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:37:59,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:59,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:59,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:37:59,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:37:59,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:59,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:59,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:37:59,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:59,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:37:59,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:37:59,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:37:59,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:37:59,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-03 05:37:59,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:37:59,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:37:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 05:37:59,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:59,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:37:59,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:37:59,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:37:59,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:59,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:37:59,886 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,920 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-03 05:37:59,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-03 05:37:59,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:37:59,926 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-03 05:37:59,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,978 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:37:59,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:37:59,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:37:59,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:37:59,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:37:59,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:59,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:37:59,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:59,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:37:59,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:37:59,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:37:59,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:37:59,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:37:59,997 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:38:00,001 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:38:00,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:38:00,004 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:38:00,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:38:00,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-03 05:38:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-03 05:38:00,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:38:00,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:38:00,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:38:00,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-03 05:38:00,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:00,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:00,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:38:00,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:38:00,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-03 05:38:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:38:00,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:00,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:00,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:38:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:00,078 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:38:00,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-03 05:38:00,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:00,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:00,082 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,095 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-03 05:38:00,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:38:00,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:38:00,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-03 05:38:00,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,122 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:38:00,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:00,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:00,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:38:00,142 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:38:00,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:38:00,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:00,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:00,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:00,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:00,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:38:00,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:00,149 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:38:00,153 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:38:00,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:38:00,159 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:38:00,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:38:00,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:38:00,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 75, 75] total 181 [2021-11-03 05:38:00,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513733611] [2021-11-03 05:38:00,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2021-11-03 05:38:00,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:38:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2021-11-03 05:38:00,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16842, Invalid=17568, Unknown=0, NotChecked=0, Total=34410 [2021-11-03 05:38:00,530 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 181 states, 181 states have (on average 1.0994475138121547) internal successors, (199), 181 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:03,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:03,432 INFO L93 Difference]: Finished difference Result 544 states and 664 transitions. [2021-11-03 05:38:03,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-11-03 05:38:03,432 INFO L78 Accepts]: Start accepts. Automaton has has 181 states, 181 states have (on average 1.0994475138121547) internal successors, (199), 181 states have internal predecessors, (199), 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 119 [2021-11-03 05:38:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:03,435 INFO L225 Difference]: With dead ends: 544 [2021-11-03 05:38:03,436 INFO L226 Difference]: Without dead ends: 498 [2021-11-03 05:38:03,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19281 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=16842, Invalid=17568, Unknown=0, NotChecked=0, Total=34410 [2021-11-03 05:38:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-11-03 05:38:03,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 238. [2021-11-03 05:38:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.0126582278481013) internal successors, (240), 237 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) [2021-11-03 05:38:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 240 transitions. [2021-11-03 05:38:03,456 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 240 transitions. Word has length 119 [2021-11-03 05:38:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:03,457 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 240 transitions. [2021-11-03 05:38:03,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 1.0994475138121547) internal successors, (199), 181 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 240 transitions. [2021-11-03 05:38:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-03 05:38:03,460 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:03,461 INFO L513 BasicCegarLoop]: trace histogram [178, 52, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:03,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:03,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:38:03,685 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:38:03,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash -957223058, now seen corresponding path program 7 times [2021-11-03 05:38:03,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:38:03,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552375124] [2021-11-03 05:38:03,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:03,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:38:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17309 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 15931 trivial. 0 not checked. [2021-11-03 05:38:05,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:38:05,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552375124] [2021-11-03 05:38:05,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552375124] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:38:05,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102089762] [2021-11-03 05:38:05,240 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:38:05,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:38:05,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:38:05,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:38:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 05:38:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:05,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-03 05:38:05,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17309 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2021-11-03 05:38:08,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17309 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2021-11-03 05:38:25,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102089762] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:38:25,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [856830005] [2021-11-03 05:38:25,886 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 05:38:25,886 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:38:25,886 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:38:25,886 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:38:25,887 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:38:25,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:25,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-03 05:38:25,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:25,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:38:25,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-03 05:38:25,900 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_35|]} [2021-11-03 05:38:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,913 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 [2021-11-03 05:38:25,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:25,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:25,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:25,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:25,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:25,957 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-03 05:38:25,957 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 [2021-11-03 05:38:25,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:38:25,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:38:25,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:25,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:25,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:25,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 05:38:25,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:25,974 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:155, output treesize:121 [2021-11-03 05:38:25,977 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 05:38:26,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:38:26,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:38:26,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:38:26,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:38:26,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:38:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:38:26,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:38:26,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:38:26,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 05:38:26,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:149 [2021-11-03 05:38:26,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:38:26,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:38:26,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:38:26,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:38:26,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-03 05:38:26,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-11-03 05:38:26,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:38:26,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 05:38:26,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:38:26,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:38:26,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:38:26,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:38:26,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 05:38:26,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 05:38:26,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-03 05:38:26,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:38:26,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:38:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 05:38:26,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:38:26,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:38:26,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 05:38:26,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:38:26,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:38:26,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,374 INFO L180 QuantifierPusher]: treesize reduction 106, result has 75.9 percent of original size [2021-11-03 05:38:26,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-03 05:38:26,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:38:26,383 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:447, output treesize:345 [2021-11-03 05:38:26,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,442 INFO L180 QuantifierPusher]: treesize reduction 42, result has 63.2 percent of original size [2021-11-03 05:38:26,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:38:26,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 05:38:26,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:38:26,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 05:38:26,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:38:26,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 05:38:26,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:38:26,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,464 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:69 [2021-11-03 05:38:26,468 INFO L180 QuantifierPusher]: treesize reduction 46, result has 48.9 percent of original size [2021-11-03 05:38:26,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:38:26,472 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.1 percent of original size [2021-11-03 05:38:26,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 05:38:26,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-03 05:38:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-11-03 05:38:26,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:38:26,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:38:26,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-03 05:38:26,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,489 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2021-11-03 05:38:26,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:26,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 05:38:26,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:38:26,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-03 05:38:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:38:26,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:26,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:26,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:38:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:38:26,557 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-03 05:38:26,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2021-11-03 05:38:26,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:26,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:38:26,561 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,577 INFO L180 QuantifierPusher]: treesize reduction 98, result has 59.3 percent of original size [2021-11-03 05:38:26,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 05:38:26,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:38:26,579 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:245, output treesize:143 [2021-11-03 05:38:26,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,607 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.1 percent of original size [2021-11-03 05:38:26,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:38:26,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:38:26,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 05:38:26,630 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-03 05:38:26,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-03 05:38:26,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:26,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 05:38:26,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:38:26,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:38:26,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-03 05:38:26,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:38:26,637 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-03 05:38:26,642 INFO L180 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-11-03 05:38:26,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-03 05:38:26,649 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:38:27,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:38:27,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 05:38:27,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 180, 180] total 388 [2021-11-03 05:38:27,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354114541] [2021-11-03 05:38:27,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2021-11-03 05:38:27,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:38:27,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2021-11-03 05:38:27,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76251, Invalid=77805, Unknown=0, NotChecked=0, Total=154056 [2021-11-03 05:38:27,104 INFO L87 Difference]: Start difference. First operand 238 states and 240 transitions. Second operand has 388 states, 388 states have (on average 1.0850515463917525) internal successors, (421), 388 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:45,170 INFO L93 Difference]: Finished difference Result 925 states and 1162 transitions. [2021-11-03 05:38:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2021-11-03 05:38:45,171 INFO L78 Accepts]: Start accepts. Automaton has has 388 states, 388 states have (on average 1.0850515463917525) internal successors, (421), 388 states have internal predecessors, (421), 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 236 [2021-11-03 05:38:45,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:45,177 INFO L225 Difference]: With dead ends: 925 [2021-11-03 05:38:45,177 INFO L226 Difference]: Without dead ends: 867 [2021-11-03 05:38:45,187 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93663 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=76251, Invalid=77805, Unknown=0, NotChecked=0, Total=154056 [2021-11-03 05:38:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-11-03 05:38:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 472. [2021-11-03 05:38:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.0063694267515924) internal successors, (474), 471 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 474 transitions. [2021-11-03 05:38:45,213 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 474 transitions. Word has length 236 [2021-11-03 05:38:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:45,214 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 474 transitions. [2021-11-03 05:38:45,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 1.0850515463917525) internal successors, (421), 388 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 474 transitions. [2021-11-03 05:38:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-03 05:38:45,223 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:45,223 INFO L513 BasicCegarLoop]: trace histogram [385, 79, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:45,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-03 05:38:45,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-11-03 05:38:45,437 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:38:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:45,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1758597225, now seen corresponding path program 8 times [2021-11-03 05:38:45,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:38:45,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197116263] [2021-11-03 05:38:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:45,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:38:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 77465 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 74305 trivial. 0 not checked. [2021-11-03 05:38:48,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:38:48,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197116263] [2021-11-03 05:38:48,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197116263] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:38:48,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064530578] [2021-11-03 05:38:48,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:38:48,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:38:48,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:38:48,673 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:38:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3929c59-96c0-4e31-ac75-746a88fdc8c3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process