./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_325 (bvadd v_subst_5 (_ bv8 32)) v_DerPreprocessor_8) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:37:13,101 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:37:13,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:37:13,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:37:13,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:37:13,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:37:13,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:37:13,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:37:13,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:37:13,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:37:13,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:37:13,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:37:13,116 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:37:13,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:37:13,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:37:13,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:37:13,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:37:13,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:37:13,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:37:13,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:37:13,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:37:13,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:37:13,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:37:13,125 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:37:13,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:37:13,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:37:13,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:37:13,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:37:13,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:37:13,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:37:13,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:37:13,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:37:13,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:37:13,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:37:13,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:37:13,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:37:13,130 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2018-11-22 22:37:13,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:37:13,139 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:37:13,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:37:13,140 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:37:13,140 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:37:13,140 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:37:13,140 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:37:13,140 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:37:13,140 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:37:13,141 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:37:13,141 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:37:13,141 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:37:13,141 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:37:13,141 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:37:13,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:37:13,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:37:13,143 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:37:13,143 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:37:13,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:37:13,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:37:13,145 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan 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 valid-memcleanup) ) 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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2018-11-22 22:37:13,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:37:13,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:37:13,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:37:13,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:37:13,183 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:37:13,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:37:13,227 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/13f3f36f6/5f888167b2e149548ca3d2f7be712e38/FLAG28a92275a [2018-11-22 22:37:13,552 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:37:13,552 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:37:13,559 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/13f3f36f6/5f888167b2e149548ca3d2f7be712e38/FLAG28a92275a [2018-11-22 22:37:13,567 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/13f3f36f6/5f888167b2e149548ca3d2f7be712e38 [2018-11-22 22:37:13,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:37:13,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:37:13,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:37:13,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:37:13,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:37:13,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed6b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13, skipping insertion in model container [2018-11-22 22:37:13,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:37:13,611 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:37:13,792 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:37:13,797 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:37:13,866 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:37:13,889 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:37:13,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13 WrapperNode [2018-11-22 22:37:13,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:37:13,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:37:13,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:37:13,890 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:37:13,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:37:13,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:37:13,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:37:13,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:37:13,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... [2018-11-22 22:37:13,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:37:13,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:37:13,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:37:13,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:37:13,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:37:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:37:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:37:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:37:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:37:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:37:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:37:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:37:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:37:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:37:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:37:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:37:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:37:14,387 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:37:14,387 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-22 22:37:14,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:37:14 BoogieIcfgContainer [2018-11-22 22:37:14,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:37:14,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:37:14,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:37:14,390 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:37:14,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:37:13" (1/3) ... [2018-11-22 22:37:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e7b7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:37:14, skipping insertion in model container [2018-11-22 22:37:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:37:13" (2/3) ... [2018-11-22 22:37:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e7b7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:37:14, skipping insertion in model container [2018-11-22 22:37:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:37:14" (3/3) ... [2018-11-22 22:37:14,393 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:37:14,399 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:37:14,404 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-11-22 22:37:14,414 INFO L257 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2018-11-22 22:37:14,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:37:14,432 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-22 22:37:14,432 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:37:14,432 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:37:14,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:37:14,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:37:14,433 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:37:14,433 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:37:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-22 22:37:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:37:14,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:14,452 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:14,454 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:14,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:14,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1493323979, now seen corresponding path program 1 times [2018-11-22 22:37:14,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:14,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:14,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:14,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:14,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:37:14,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:14,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:37:14,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:37:14,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:37:14,576 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 3 states. [2018-11-22 22:37:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:14,688 INFO L93 Difference]: Finished difference Result 134 states and 137 transitions. [2018-11-22 22:37:14,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:37:14,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-22 22:37:14,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:14,698 INFO L225 Difference]: With dead ends: 134 [2018-11-22 22:37:14,698 INFO L226 Difference]: Without dead ends: 131 [2018-11-22 22:37:14,700 INFO L631 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 [2018-11-22 22:37:14,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-22 22:37:14,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 115. [2018-11-22 22:37:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-22 22:37:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2018-11-22 22:37:14,731 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 7 [2018-11-22 22:37:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:14,731 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2018-11-22 22:37:14,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:37:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2018-11-22 22:37:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:37:14,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:14,732 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:14,732 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:14,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:14,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1493323980, now seen corresponding path program 1 times [2018-11-22 22:37:14,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:14,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:14,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:14,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:14,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:37:14,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:14,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:37:14,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:37:14,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:37:14,771 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 3 states. [2018-11-22 22:37:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:14,857 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2018-11-22 22:37:14,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:37:14,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-22 22:37:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:14,858 INFO L225 Difference]: With dead ends: 134 [2018-11-22 22:37:14,858 INFO L226 Difference]: Without dead ends: 134 [2018-11-22 22:37:14,859 INFO L631 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 [2018-11-22 22:37:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-22 22:37:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 112. [2018-11-22 22:37:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-22 22:37:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2018-11-22 22:37:14,865 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 7 [2018-11-22 22:37:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:14,865 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2018-11-22 22:37:14,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:37:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2018-11-22 22:37:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 22:37:14,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:14,866 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:14,866 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:14,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:14,867 INFO L82 PathProgramCache]: Analyzing trace with hash -809703269, now seen corresponding path program 1 times [2018-11-22 22:37:14,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:14,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:14,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:14,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:14,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:14,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:14,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:37:14,934 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:14,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:37:14,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:37:14,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:37:14,935 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 4 states. [2018-11-22 22:37:15,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:15,118 INFO L93 Difference]: Finished difference Result 205 states and 209 transitions. [2018-11-22 22:37:15,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:37:15,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-22 22:37:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:15,120 INFO L225 Difference]: With dead ends: 205 [2018-11-22 22:37:15,121 INFO L226 Difference]: Without dead ends: 205 [2018-11-22 22:37:15,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-11-22 22:37:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 148. [2018-11-22 22:37:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-22 22:37:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2018-11-22 22:37:15,129 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 13 [2018-11-22 22:37:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:15,130 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2018-11-22 22:37:15,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:37:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2018-11-22 22:37:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 22:37:15,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:15,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:15,132 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:15,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash -809703270, now seen corresponding path program 1 times [2018-11-22 22:37:15,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:15,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:15,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,134 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:15,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:15,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:37:15,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:15,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:37:15,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:37:15,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:37:15,181 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 4 states. [2018-11-22 22:37:15,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:15,278 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2018-11-22 22:37:15,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:37:15,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-22 22:37:15,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:15,279 INFO L225 Difference]: With dead ends: 135 [2018-11-22 22:37:15,279 INFO L226 Difference]: Without dead ends: 135 [2018-11-22 22:37:15,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-22 22:37:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-11-22 22:37:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-22 22:37:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2018-11-22 22:37:15,286 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 13 [2018-11-22 22:37:15,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:15,287 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2018-11-22 22:37:15,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:37:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2018-11-22 22:37:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 22:37:15,288 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:15,288 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:15,289 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:15,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:15,289 INFO L82 PathProgramCache]: Analyzing trace with hash -735736937, now seen corresponding path program 1 times [2018-11-22 22:37:15,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:15,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:15,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:15,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:15,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:37:15,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:15,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:37:15,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:37:15,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,331 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand 5 states. [2018-11-22 22:37:15,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:15,483 INFO L93 Difference]: Finished difference Result 188 states and 199 transitions. [2018-11-22 22:37:15,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:37:15,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-22 22:37:15,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:15,484 INFO L225 Difference]: With dead ends: 188 [2018-11-22 22:37:15,484 INFO L226 Difference]: Without dead ends: 188 [2018-11-22 22:37:15,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:37:15,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-11-22 22:37:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 132. [2018-11-22 22:37:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-22 22:37:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2018-11-22 22:37:15,491 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 15 [2018-11-22 22:37:15,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:15,491 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2018-11-22 22:37:15,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:37:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2018-11-22 22:37:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 22:37:15,492 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:15,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:15,492 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:15,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:15,493 INFO L82 PathProgramCache]: Analyzing trace with hash -735736936, now seen corresponding path program 1 times [2018-11-22 22:37:15,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:15,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:15,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:15,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:15,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:37:15,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:15,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:37:15,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:37:15,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,549 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 5 states. [2018-11-22 22:37:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:15,722 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-11-22 22:37:15,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:37:15,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-22 22:37:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:15,724 INFO L225 Difference]: With dead ends: 211 [2018-11-22 22:37:15,724 INFO L226 Difference]: Without dead ends: 211 [2018-11-22 22:37:15,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:37:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-22 22:37:15,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 131. [2018-11-22 22:37:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-22 22:37:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2018-11-22 22:37:15,731 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 15 [2018-11-22 22:37:15,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:15,731 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2018-11-22 22:37:15,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:37:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2018-11-22 22:37:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:37:15,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:15,732 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:15,733 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:15,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1603502238, now seen corresponding path program 1 times [2018-11-22 22:37:15,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:15,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:15,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:15,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:15,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:37:15,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:15,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:37:15,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:37:15,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,776 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand 5 states. [2018-11-22 22:37:15,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:15,875 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2018-11-22 22:37:15,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:37:15,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-22 22:37:15,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:15,876 INFO L225 Difference]: With dead ends: 133 [2018-11-22 22:37:15,877 INFO L226 Difference]: Without dead ends: 133 [2018-11-22 22:37:15,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:37:15,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-22 22:37:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2018-11-22 22:37:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 22:37:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2018-11-22 22:37:15,880 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 17 [2018-11-22 22:37:15,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:15,881 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2018-11-22 22:37:15,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:37:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2018-11-22 22:37:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:37:15,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:15,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:15,882 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:15,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1603502239, now seen corresponding path program 1 times [2018-11-22 22:37:15,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:15,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:15,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:15,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:15,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:15,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:37:15,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:15,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:37:15,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:37:15,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:37:15,971 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 5 states. [2018-11-22 22:37:16,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:16,122 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2018-11-22 22:37:16,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:37:16,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-22 22:37:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:16,123 INFO L225 Difference]: With dead ends: 129 [2018-11-22 22:37:16,123 INFO L226 Difference]: Without dead ends: 129 [2018-11-22 22:37:16,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:37:16,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-22 22:37:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-22 22:37:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-22 22:37:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2018-11-22 22:37:16,126 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 17 [2018-11-22 22:37:16,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:16,126 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2018-11-22 22:37:16,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:37:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2018-11-22 22:37:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:37:16,127 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:16,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:16,127 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:16,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:16,127 INFO L82 PathProgramCache]: Analyzing trace with hash -390445671, now seen corresponding path program 1 times [2018-11-22 22:37:16,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:16,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:16,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:16,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:16,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:16,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:16,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:37:16,233 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:16,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:37:16,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:37:16,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:37:16,234 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand 9 states. [2018-11-22 22:37:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:16,519 INFO L93 Difference]: Finished difference Result 130 states and 135 transitions. [2018-11-22 22:37:16,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:37:16,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-11-22 22:37:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:16,520 INFO L225 Difference]: With dead ends: 130 [2018-11-22 22:37:16,520 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 22:37:16,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-11-22 22:37:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 22:37:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2018-11-22 22:37:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-22 22:37:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2018-11-22 22:37:16,523 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 19 [2018-11-22 22:37:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:16,524 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2018-11-22 22:37:16,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:37:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2018-11-22 22:37:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:37:16,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:16,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:16,524 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:16,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash -390445670, now seen corresponding path program 1 times [2018-11-22 22:37:16,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:16,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:16,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:16,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:16,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:16,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:16,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:37:16,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:16,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:37:16,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:37:16,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:37:16,614 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand 10 states. [2018-11-22 22:37:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:17,029 INFO L93 Difference]: Finished difference Result 127 states and 132 transitions. [2018-11-22 22:37:17,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:37:17,029 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-11-22 22:37:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:17,030 INFO L225 Difference]: With dead ends: 127 [2018-11-22 22:37:17,030 INFO L226 Difference]: Without dead ends: 127 [2018-11-22 22:37:17,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-11-22 22:37:17,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-22 22:37:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 106. [2018-11-22 22:37:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-22 22:37:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-11-22 22:37:17,032 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 19 [2018-11-22 22:37:17,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:17,032 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-11-22 22:37:17,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:37:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-11-22 22:37:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 22:37:17,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:17,033 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:17,033 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:17,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:17,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1308950866, now seen corresponding path program 1 times [2018-11-22 22:37:17,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:17,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:17,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:37:17,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:17,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:37:17,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:37:17,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:37:17,096 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 8 states. [2018-11-22 22:37:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:17,378 INFO L93 Difference]: Finished difference Result 109 states and 116 transitions. [2018-11-22 22:37:17,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:37:17,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-11-22 22:37:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:17,379 INFO L225 Difference]: With dead ends: 109 [2018-11-22 22:37:17,379 INFO L226 Difference]: Without dead ends: 109 [2018-11-22 22:37:17,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:37:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-22 22:37:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2018-11-22 22:37:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-22 22:37:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2018-11-22 22:37:17,382 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 20 [2018-11-22 22:37:17,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:17,382 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2018-11-22 22:37:17,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:37:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2018-11-22 22:37:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 22:37:17,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:17,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:17,383 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:17,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:17,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1308950867, now seen corresponding path program 1 times [2018-11-22 22:37:17,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:17,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:17,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:17,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:17,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:37:17,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:17,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:37:17,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:37:17,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:37:17,474 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand 8 states. [2018-11-22 22:37:17,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:17,701 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2018-11-22 22:37:17,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:37:17,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-11-22 22:37:17,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:17,702 INFO L225 Difference]: With dead ends: 108 [2018-11-22 22:37:17,702 INFO L226 Difference]: Without dead ends: 108 [2018-11-22 22:37:17,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:37:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-22 22:37:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2018-11-22 22:37:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-22 22:37:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-11-22 22:37:17,705 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 20 [2018-11-22 22:37:17,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:17,705 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-11-22 22:37:17,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:37:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-11-22 22:37:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 22:37:17,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:17,706 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:17,706 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:17,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:17,707 INFO L82 PathProgramCache]: Analyzing trace with hash -979745029, now seen corresponding path program 1 times [2018-11-22 22:37:17,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:17,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:17,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:17,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:17,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:17,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-22 22:37:17,973 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:17,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-22 22:37:17,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-22 22:37:17,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-11-22 22:37:17,974 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 14 states. [2018-11-22 22:37:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:18,510 INFO L93 Difference]: Finished difference Result 183 states and 190 transitions. [2018-11-22 22:37:18,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-22 22:37:18,510 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 31 [2018-11-22 22:37:18,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:18,511 INFO L225 Difference]: With dead ends: 183 [2018-11-22 22:37:18,511 INFO L226 Difference]: Without dead ends: 183 [2018-11-22 22:37:18,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2018-11-22 22:37:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-22 22:37:18,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 125. [2018-11-22 22:37:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-22 22:37:18,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 134 transitions. [2018-11-22 22:37:18,514 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 134 transitions. Word has length 31 [2018-11-22 22:37:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:18,514 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 134 transitions. [2018-11-22 22:37:18,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-22 22:37:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2018-11-22 22:37:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 22:37:18,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:18,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:18,515 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:18,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:18,516 INFO L82 PathProgramCache]: Analyzing trace with hash -979745028, now seen corresponding path program 1 times [2018-11-22 22:37:18,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:18,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:18,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:18,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:18,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:18,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:37:18,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-22 22:37:18,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:37:18,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-22 22:37:18,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-22 22:37:18,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-11-22 22:37:18,760 INFO L87 Difference]: Start difference. First operand 125 states and 134 transitions. Second operand 14 states. [2018-11-22 22:37:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:19,256 INFO L93 Difference]: Finished difference Result 231 states and 237 transitions. [2018-11-22 22:37:19,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 22:37:19,257 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 31 [2018-11-22 22:37:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:19,257 INFO L225 Difference]: With dead ends: 231 [2018-11-22 22:37:19,257 INFO L226 Difference]: Without dead ends: 231 [2018-11-22 22:37:19,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:37:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-22 22:37:19,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 125. [2018-11-22 22:37:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-22 22:37:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2018-11-22 22:37:19,261 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 31 [2018-11-22 22:37:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:19,261 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2018-11-22 22:37:19,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-22 22:37:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2018-11-22 22:37:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 22:37:19,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:19,262 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:19,262 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:19,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:19,262 INFO L82 PathProgramCache]: Analyzing trace with hash 55675899, now seen corresponding path program 1 times [2018-11-22 22:37:19,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:19,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:19,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:19,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:19,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:19,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:19,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:37:19,526 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 32 with the following transitions: [2018-11-22 22:37:19,529 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [103], [109], [113], [120], [124], [129], [132], [232], [233], [234] [2018-11-22 22:37:19,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:37:19,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:37:19,713 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:37:19,714 INFO L272 AbstractInterpreter]: Visited 31 different actions 39 times. Merged at 8 different actions 8 times. Never widened. Performed 288 root evaluator evaluations with a maximum evaluation depth of 3. Performed 288 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 31 variables. [2018-11-22 22:37:19,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:19,721 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:37:19,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:19,721 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:37:19,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:19,735 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:37:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:19,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:37:19,862 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:19,864 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:19,868 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-22 22:37:19,869 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:19,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:19,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-22 22:37:19,920 INFO L478 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 11 treesize of output 8 [2018-11-22 22:37:19,922 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:37:19,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:19,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:19,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:19,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-11-22 22:37:19,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-22 22:37:19,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:19,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:20,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:20,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:20,007 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2018-11-22 22:37:20,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2018-11-22 22:37:20,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:37:20,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:20,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:20,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:20,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:67, output treesize:60 [2018-11-22 22:37:20,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:37:20,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:37:20,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:20,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:20,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:20,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:15 [2018-11-22 22:37:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:20,211 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:37:20,232 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:20,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:20,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:20,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-11-22 22:37:28,352 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 77 [2018-11-22 22:37:28,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:28,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,425 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 60 [2018-11-22 22:37:28,537 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-11-22 22:37:28,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-22 22:37:28,541 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 36 treesize of output 37 [2018-11-22 22:37:28,544 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,547 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 36 treesize of output 37 [2018-11-22 22:37:28,547 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 39 treesize of output 38 [2018-11-22 22:37:28,550 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,633 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-22 22:37:28,633 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-22 22:37:28,636 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,638 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-11-22 22:37:28,639 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:28,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 52 [2018-11-22 22:37:28,808 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:28,810 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:28,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-22 22:37:28,818 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:28,901 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2018-11-22 22:37:28,902 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:28,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 42 [2018-11-22 22:37:28,997 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:29,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-22 22:37:29,100 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:29,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 [2018-11-22 22:37:29,192 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:29,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 22 [2018-11-22 22:37:29,194 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:29,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-22 22:37:29,286 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:29,378 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-22 22:37:29,378 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:29,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2018-11-22 22:37:29,384 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:29,476 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 20 [2018-11-22 22:37:29,477 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:29,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2018-11-22 22:37:29,589 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:29,704 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 42 [2018-11-22 22:37:29,706 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:29,838 INFO L267 ElimStorePlain]: Start of recursive call 12: 10 dim-1 vars, End of recursive call: 12 dim-0 vars, and 17 xjuncts. [2018-11-22 22:37:29,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 47 [2018-11-22 22:37:29,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2018-11-22 22:37:29,855 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:29,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 37 [2018-11-22 22:37:29,892 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:29,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-22 22:37:29,944 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:29,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-11-22 22:37:29,985 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:30,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2018-11-22 22:37:30,030 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:30,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:30,074 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:30,076 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:37:30,076 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:30,119 INFO L267 ElimStorePlain]: Start of recursive call 25: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:30,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 22:37:30,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-22 22:37:30,129 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 26 [2018-11-22 22:37:30,166 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:30,176 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 41 [2018-11-22 22:37:30,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-11-22 22:37:30,422 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-22 22:37:30,435 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:30,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2018-11-22 22:37:30,451 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:30,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-11-22 22:37:30,467 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,468 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:37:30,468 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,482 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:37:30,482 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,493 INFO L267 ElimStorePlain]: Start of recursive call 36: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:30,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2018-11-22 22:37:30,508 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-11-22 22:37:30,508 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-22 22:37:30,550 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:30,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-11-22 22:37:30,581 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 30 treesize of output 28 [2018-11-22 22:37:30,611 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:30,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-11-22 22:37:30,640 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,667 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:30,669 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:30,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-22 22:37:30,681 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:30,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-11-22 22:37:30,738 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:30,790 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-11-22 22:37:30,791 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:30,836 INFO L267 ElimStorePlain]: Start of recursive call 43: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:31,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-11-22 22:37:31,056 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2018-11-22 22:37:31,056 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:31,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 [2018-11-22 22:37:31,069 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:31,088 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 33 [2018-11-22 22:37:31,089 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:31,102 INFO L267 ElimStorePlain]: Start of recursive call 52: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:31,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-22 22:37:31,106 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-11-22 22:37:31,107 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:31,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:37:31,115 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:31,118 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:31,323 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:37:31,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:37:31,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 28 dim-0 vars, and 33 xjuncts. [2018-11-22 22:37:31,741 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 4 variables, input treesize:131, output treesize:422 [2018-11-22 22:37:31,910 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,910 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-11-22 22:37:31,912 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:31,925 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,925 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-11-22 22:37:31,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:31,940 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,940 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:31,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-11-22 22:37:31,941 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:31,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:31,951 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:70, output treesize:7 [2018-11-22 22:37:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:31,970 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:37:31,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 32 [2018-11-22 22:37:31,970 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:37:31,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-22 22:37:31,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-22 22:37:31,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=886, Unknown=3, NotChecked=0, Total=1056 [2018-11-22 22:37:31,972 INFO L87 Difference]: Start difference. First operand 125 states and 133 transitions. Second operand 27 states. [2018-11-22 22:37:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:32,826 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2018-11-22 22:37:32,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-22 22:37:32,827 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 31 [2018-11-22 22:37:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:32,827 INFO L225 Difference]: With dead ends: 198 [2018-11-22 22:37:32,827 INFO L226 Difference]: Without dead ends: 198 [2018-11-22 22:37:32,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=554, Invalid=1993, Unknown=3, NotChecked=0, Total=2550 [2018-11-22 22:37:32,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-11-22 22:37:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 131. [2018-11-22 22:37:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-22 22:37:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2018-11-22 22:37:32,830 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 31 [2018-11-22 22:37:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:32,830 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2018-11-22 22:37:32,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-22 22:37:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2018-11-22 22:37:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 22:37:32,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:32,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:32,831 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:32,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:32,832 INFO L82 PathProgramCache]: Analyzing trace with hash 55675900, now seen corresponding path program 1 times [2018-11-22 22:37:32,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:32,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:32,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:32,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:32,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:33,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:33,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:37:33,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 32 with the following transitions: [2018-11-22 22:37:33,124 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [104], [109], [113], [120], [124], [129], [132], [232], [233], [234] [2018-11-22 22:37:33,126 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:37:33,126 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:37:33,171 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:37:33,171 INFO L272 AbstractInterpreter]: Visited 31 different actions 39 times. Merged at 8 different actions 8 times. Never widened. Performed 294 root evaluator evaluations with a maximum evaluation depth of 3. Performed 294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 31 variables. [2018-11-22 22:37:33,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:33,191 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:37:33,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:33,191 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:37:33,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:33,201 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:37:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:33,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:37:33,280 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:33,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:33,283 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-22 22:37:33,283 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,289 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-22 22:37:33,289 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,295 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-11-22 22:37:33,313 INFO L478 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 11 treesize of output 8 [2018-11-22 22:37:33,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:37:33,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,333 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:24 [2018-11-22 22:37:33,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-22 22:37:33,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:33,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2018-11-22 22:37:33,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 114 [2018-11-22 22:37:33,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 25 [2018-11-22 22:37:33,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:33,451 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:33,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 87 [2018-11-22 22:37:33,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 1 [2018-11-22 22:37:33,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,488 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 85 [2018-11-22 22:37:33,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 1 [2018-11-22 22:37:33,493 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,499 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:33,513 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:133, output treesize:98 [2018-11-22 22:37:33,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-11-22 22:37:33,563 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:37:33,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 28 treesize of output 22 [2018-11-22 22:37:33,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-22 22:37:33,574 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,577 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,580 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-11-22 22:37:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:33,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:37:33,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:33,715 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,722 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,744 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,750 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,771 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,777 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:33,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:33,793 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:135, output treesize:85 [2018-11-22 22:37:34,177 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-11-22 22:37:34,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 69 [2018-11-22 22:37:34,213 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-11-22 22:37:34,214 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:34,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2018-11-22 22:37:34,228 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2018-11-22 22:37:34,244 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:34,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:34,266 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-11-22 22:37:34,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2018-11-22 22:37:34,268 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,273 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 93 [2018-11-22 22:37:34,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 83 [2018-11-22 22:37:34,288 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:34,310 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-11-22 22:37:34,311 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:34,332 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 78 [2018-11-22 22:37:34,332 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,352 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:34,357 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 69 [2018-11-22 22:37:34,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 64 treesize of output 56 [2018-11-22 22:37:34,360 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:34,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 56 treesize of output 54 [2018-11-22 22:37:34,376 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,392 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 59 [2018-11-22 22:37:34,394 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:34,414 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:37:34,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-11-22 22:37:34,474 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2018-11-22 22:37:34,474 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,483 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-22 22:37:34,519 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:141, output treesize:144 [2018-11-22 22:37:34,720 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,721 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:37:34,721 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,731 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,732 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,732 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:37:34,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,741 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,742 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:34,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:37:34,743 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:34,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:34,750 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:52, output treesize:17 [2018-11-22 22:37:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:34,775 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:37:34,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 11] total 35 [2018-11-22 22:37:34,775 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:37:34,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-22 22:37:34,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-22 22:37:34,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2018-11-22 22:37:34,776 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand 27 states. [2018-11-22 22:37:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:35,933 INFO L93 Difference]: Finished difference Result 240 states and 247 transitions. [2018-11-22 22:37:35,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-22 22:37:35,933 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 31 [2018-11-22 22:37:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:35,934 INFO L225 Difference]: With dead ends: 240 [2018-11-22 22:37:35,934 INFO L226 Difference]: Without dead ends: 240 [2018-11-22 22:37:35,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=495, Invalid=1955, Unknown=0, NotChecked=0, Total=2450 [2018-11-22 22:37:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-11-22 22:37:35,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 130. [2018-11-22 22:37:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 22:37:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2018-11-22 22:37:35,938 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 31 [2018-11-22 22:37:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:35,938 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2018-11-22 22:37:35,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-22 22:37:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2018-11-22 22:37:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 22:37:35,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:35,939 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:35,940 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:35,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:35,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1798647358, now seen corresponding path program 1 times [2018-11-22 22:37:35,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:35,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:35,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:35,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:35,941 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:36,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:36,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:37:36,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 39 with the following transitions: [2018-11-22 22:37:36,306 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [107], [109], [113], [120], [124], [129], [132], [138], [145], [149], [154], [157], [162], [232], [233], [234] [2018-11-22 22:37:36,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:37:36,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:37:36,360 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:37:36,360 INFO L272 AbstractInterpreter]: Visited 37 different actions 50 times. Merged at 12 different actions 12 times. Never widened. Performed 362 root evaluator evaluations with a maximum evaluation depth of 3. Performed 362 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 34 variables. [2018-11-22 22:37:36,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:36,367 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:37:36,367 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:36,367 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:37:36,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:36,374 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:37:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:36,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:37:36,426 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:36,427 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:36,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-22 22:37:36,427 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,433 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-22 22:37:36,447 INFO L478 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 11 treesize of output 8 [2018-11-22 22:37:36,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:37:36,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-11-22 22:37:36,486 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-11-22 22:37:36,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:36,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,494 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-11-22 22:37:36,545 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 115 [2018-11-22 22:37:36,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 25 [2018-11-22 22:37:36,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:36,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:36,583 INFO L478 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 84 treesize of output 77 [2018-11-22 22:37:36,585 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 17 [2018-11-22 22:37:36,585 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,590 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,592 INFO L478 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 86 treesize of output 79 [2018-11-22 22:37:36,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 17 [2018-11-22 22:37:36,594 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,599 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:37:36,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 1 [2018-11-22 22:37:36,618 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,621 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 71 [2018-11-22 22:37:36,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 1 [2018-11-22 22:37:36,627 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,631 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:36,640 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:125, output treesize:66 [2018-11-22 22:37:36,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-11-22 22:37:36,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-11-22 22:37:36,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 21 treesize of output 17 [2018-11-22 22:37:36,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-22 22:37:36,694 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,696 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,698 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2018-11-22 22:37:36,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:37:36,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-22 22:37:36,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,733 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-22 22:37:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:36,748 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:37:36,838 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,843 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,858 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,863 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,864 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,868 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 40 [2018-11-22 22:37:36,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2018-11-22 22:37:36,884 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,887 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2018-11-22 22:37:36,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2018-11-22 22:37:36,891 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,892 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:36,896 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:69, output treesize:35 [2018-11-22 22:37:36,954 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-22 22:37:36,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:37:36,955 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:36,975 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 23 [2018-11-22 22:37:36,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-11-22 22:37:36,976 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-22 22:37:36,985 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,987 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:36,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-11-22 22:37:36,990 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-11-22 22:37:36,990 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:36,992 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,005 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:37:37,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 treesize of output 16 [2018-11-22 22:37:37,007 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,020 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-11-22 22:37:37,020 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,032 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:37,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-22 22:37:37,043 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:67, output treesize:44 [2018-11-22 22:37:37,144 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-22 22:37:37,144 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,152 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:37,153 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:37,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:37:37,153 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,161 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:37,161 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:37,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:37:37,162 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:37,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:37,167 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:46, output treesize:7 [2018-11-22 22:37:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:37,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:37:37,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 13] total 40 [2018-11-22 22:37:37,196 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:37:37,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-22 22:37:37,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-22 22:37:37,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1419, Unknown=0, NotChecked=0, Total=1560 [2018-11-22 22:37:37,196 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 32 states. [2018-11-22 22:37:38,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:37:38,670 INFO L93 Difference]: Finished difference Result 203 states and 208 transitions. [2018-11-22 22:37:38,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-22 22:37:38,670 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 38 [2018-11-22 22:37:38,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:37:38,671 INFO L225 Difference]: With dead ends: 203 [2018-11-22 22:37:38,671 INFO L226 Difference]: Without dead ends: 203 [2018-11-22 22:37:38,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=597, Invalid=3309, Unknown=0, NotChecked=0, Total=3906 [2018-11-22 22:37:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-22 22:37:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 143. [2018-11-22 22:37:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-22 22:37:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2018-11-22 22:37:38,674 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 38 [2018-11-22 22:37:38,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:37:38,675 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 155 transitions. [2018-11-22 22:37:38,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-22 22:37:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2018-11-22 22:37:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 22:37:38,675 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:37:38,675 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:37:38,676 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:37:38,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:37:38,676 INFO L82 PathProgramCache]: Analyzing trace with hash -763226430, now seen corresponding path program 2 times [2018-11-22 22:37:38,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:37:38,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:38,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:37:38,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:37:38,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:37:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:37:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:39,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:39,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:37:39,051 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-22 22:37:39,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-22 22:37:39,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:37:39,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:37:39,059 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-22 22:37:39,059 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-22 22:37:39,154 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-22 22:37:39,154 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-22 22:37:39,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:37:39,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:37:39,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,183 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:39,184 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:37:39,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-22 22:37:39,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-11-22 22:37:39,220 INFO L478 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 11 treesize of output 8 [2018-11-22 22:37:39,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:37:39,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,236 INFO L478 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 11 treesize of output 8 [2018-11-22 22:37:39,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:37:39,238 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,240 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,249 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:34 [2018-11-22 22:37:39,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-22 22:37:39,296 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:39,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,300 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-11-22 22:37:39,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:39,314 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,318 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,327 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2018-11-22 22:37:39,358 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-22 22:37:39,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:37:39,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-11-22 22:37:39,365 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,373 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:44 [2018-11-22 22:37:39,401 INFO L478 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 21 treesize of output 14 [2018-11-22 22:37:39,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:37:39,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,421 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 76 [2018-11-22 22:37:39,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:37:39,429 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:39,436 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:39,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:39,453 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:100, output treesize:110 [2018-11-22 22:37:39,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-22 22:37:39,525 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:39,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-11-22 22:37:39,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,537 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:58, output treesize:25 [2018-11-22 22:37:39,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 7 [2018-11-22 22:37:39,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,585 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:37:39,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-11-22 22:37:39,596 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:39,599 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:39,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:37:39,605 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:21 [2018-11-22 22:37:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:37:39,654 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:37:39,846 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,853 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,859 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:39,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2018-11-22 22:37:39,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:37:39,882 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,885 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,887 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 63 treesize of output 47 [2018-11-22 22:37:39,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:37:39,889 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,894 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:39,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:39,912 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:75, output treesize:136 [2018-11-22 22:37:41,090 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 74 [2018-11-22 22:37:45,482 WARN L180 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 108 [2018-11-22 22:37:50,207 WARN L180 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 109 [2018-11-22 22:37:50,216 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 206 [2018-11-22 22:37:50,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:50,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 94 [2018-11-22 22:37:50,414 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 53 [2018-11-22 22:37:50,415 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 55 treesize of output 52 [2018-11-22 22:37:50,417 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,421 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 63 treesize of output 62 [2018-11-22 22:37:50,421 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 56 treesize of output 55 [2018-11-22 22:37:50,429 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2018-11-22 22:37:50,568 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-22 22:37:50,571 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-22 22:37:50,574 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 64 [2018-11-22 22:37:50,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 54 treesize of output 50 [2018-11-22 22:37:50,707 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:50,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2018-11-22 22:37:50,761 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-11-22 22:37:50,804 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-11-22 22:37:50,847 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:50,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2018-11-22 22:37:50,891 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:50,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 49 [2018-11-22 22:37:50,942 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:51,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-22 22:37:51,001 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-22 22:37:51,002 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,055 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:51,057 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:51,063 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 51 [2018-11-22 22:37:51,064 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:51,147 INFO L267 ElimStorePlain]: Start of recursive call 12: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:51,151 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-11-22 22:37:51,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2018-11-22 22:37:51,154 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:37:51,166 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,175 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 59 [2018-11-22 22:37:51,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2018-11-22 22:37:51,186 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,210 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-11-22 22:37:51,210 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-22 22:37:51,229 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:51,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-11-22 22:37:51,259 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2018-11-22 22:37:51,280 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:51,302 INFO L267 ElimStorePlain]: Start of recursive call 25: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:51,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-11-22 22:37:51,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:37:51,505 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,513 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 55 [2018-11-22 22:37:51,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 50 treesize of output 46 [2018-11-22 22:37:51,521 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:51,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32 [2018-11-22 22:37:51,547 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2018-11-22 22:37:51,577 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:51,603 INFO L267 ElimStorePlain]: Start of recursive call 33: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:51,605 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-11-22 22:37:51,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:37:51,608 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:51,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-22 22:37:51,617 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:51,624 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:51,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 65 [2018-11-22 22:37:51,827 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-22 22:37:51,827 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:51,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 34 [2018-11-22 22:37:51,875 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:51,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2018-11-22 22:37:51,922 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:51,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-22 22:37:51,973 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:52,022 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-11-22 22:37:52,022 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:52,083 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 51 [2018-11-22 22:37:52,084 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:52,182 INFO L267 ElimStorePlain]: Start of recursive call 40: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-11-22 22:37:52,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 70 [2018-11-22 22:37:52,496 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2018-11-22 22:37:52,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 56 [2018-11-22 22:37:52,512 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:52,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 56 [2018-11-22 22:37:52,696 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:52,908 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:52,911 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:37:52,920 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 51 [2018-11-22 22:37:52,921 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:37:53,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 51 treesize of output 47 [2018-11-22 22:37:53,116 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:53,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-11-22 22:37:53,299 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:53,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 38 treesize of output 34 [2018-11-22 22:37:53,470 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:37:53,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 41 [2018-11-22 22:37:53,646 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-11-22 22:37:53,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2018-11-22 22:37:53,831 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:54,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 53 [2018-11-22 22:37:54,038 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:37:54,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-11-22 22:37:54,254 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:54,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2018-11-22 22:37:54,260 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:37:54,436 INFO L267 ElimStorePlain]: Start of recursive call 47: 10 dim-1 vars, End of recursive call: 12 dim-0 vars, and 17 xjuncts. [2018-11-22 22:37:54,846 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:37:55,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:37:56,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 71 [2018-11-22 22:37:56,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:56,620 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,638 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:56,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,640 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,642 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,653 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,655 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-11-22 22:37:56,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:56,672 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,688 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:56,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,690 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,691 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:37:56,694 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:56,694 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,697 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,709 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:37:56,712 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:37:56,750 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:56,750 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,769 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:56,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,771 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,773 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,774 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:56,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:56,776 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,778 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,795 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:56,797 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2018-11-22 22:37:56,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:56,829 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:56,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,845 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,846 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,858 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-11-22 22:37:56,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:56,884 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:56,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,897 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,898 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,906 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,909 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-22 22:37:56,937 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:56,938 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:56,952 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:56,952 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,954 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,964 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:56,967 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 63 [2018-11-22 22:37:56,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:56,993 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,005 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,006 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,008 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,017 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,019 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2018-11-22 22:37:57,050 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,050 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,067 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,067 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,069 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,080 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,083 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2018-11-22 22:37:57,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,116 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,132 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,134 INFO L267 ElimStorePlain]: Start of recursive call 97: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,146 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,148 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-22 22:37:57,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:57,175 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,189 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,190 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,200 INFO L267 ElimStorePlain]: Start of recursive call 99: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,202 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-22 22:37:57,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,231 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,245 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,246 INFO L267 ElimStorePlain]: Start of recursive call 105: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,256 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-22 22:37:57,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:57,302 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,319 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,320 INFO L267 ElimStorePlain]: Start of recursive call 109: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,330 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,333 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2018-11-22 22:37:57,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,373 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,393 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,395 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,395 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,397 INFO L267 ElimStorePlain]: Start of recursive call 113: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:37:57,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:57,400 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,402 INFO L267 ElimStorePlain]: Start of recursive call 115: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,418 INFO L267 ElimStorePlain]: Start of recursive call 111: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:57,421 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-22 22:37:57,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:57,449 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,463 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,465 INFO L267 ElimStorePlain]: Start of recursive call 119: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,475 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,477 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:37:57,514 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,515 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,535 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,537 INFO L267 ElimStorePlain]: Start of recursive call 123: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:57,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:57,540 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,542 INFO L267 ElimStorePlain]: Start of recursive call 125: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,557 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:57,560 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2018-11-22 22:37:57,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:57,584 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 19 treesize of output 17 [2018-11-22 22:37:57,609 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:57,609 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,613 INFO L267 ElimStorePlain]: Start of recursive call 129: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,617 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,619 INFO L267 ElimStorePlain]: Start of recursive call 131: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,637 INFO L267 ElimStorePlain]: Start of recursive call 127: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:37:57,640 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2018-11-22 22:37:57,688 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,688 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,715 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,717 INFO L267 ElimStorePlain]: Start of recursive call 135: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,720 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:57,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:57,722 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,724 INFO L267 ElimStorePlain]: Start of recursive call 137: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,741 INFO L267 ElimStorePlain]: Start of recursive call 133: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:57,744 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 70 [2018-11-22 22:37:57,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,773 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,787 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:57,788 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,788 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,790 INFO L267 ElimStorePlain]: Start of recursive call 141: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,801 INFO L267 ElimStorePlain]: Start of recursive call 139: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,804 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-22 22:37:57,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,832 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,847 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,848 INFO L267 ElimStorePlain]: Start of recursive call 145: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,858 INFO L267 ElimStorePlain]: Start of recursive call 143: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,861 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-22 22:37:57,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:57,897 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,915 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:37:57,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:57,918 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,927 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:57,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:57,932 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,934 INFO L267 ElimStorePlain]: Start of recursive call 151: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:57,951 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:57,954 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-22 22:37:57,990 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:57,990 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,011 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,011 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,017 INFO L267 ElimStorePlain]: Start of recursive call 155: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,030 INFO L267 ElimStorePlain]: Start of recursive call 153: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,033 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-11-22 22:37:58,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:58,062 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:58,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,075 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,077 INFO L267 ElimStorePlain]: Start of recursive call 159: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,086 INFO L267 ElimStorePlain]: Start of recursive call 157: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,088 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2018-11-22 22:37:58,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,123 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,141 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,143 INFO L267 ElimStorePlain]: Start of recursive call 163: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:58,146 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,146 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,148 INFO L267 ElimStorePlain]: Start of recursive call 165: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,161 INFO L267 ElimStorePlain]: Start of recursive call 161: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:58,163 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2018-11-22 22:37:58,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,184 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:37:58,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,205 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,208 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,209 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,211 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,211 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,213 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,229 INFO L267 ElimStorePlain]: Start of recursive call 167: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:37:58,232 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-11-22 22:37:58,257 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:58,258 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:58,283 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,283 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,284 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,293 INFO L267 ElimStorePlain]: Start of recursive call 173: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-11-22 22:37:58,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,319 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,332 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,332 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,333 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,342 INFO L267 ElimStorePlain]: Start of recursive call 177: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,344 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2018-11-22 22:37:58,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:58,381 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:58,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,401 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,403 INFO L267 ElimStorePlain]: Start of recursive call 183: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,406 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,407 INFO L267 ElimStorePlain]: Start of recursive call 185: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,423 INFO L267 ElimStorePlain]: Start of recursive call 181: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:58,426 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2018-11-22 22:37:58,461 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:58,461 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:58,477 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,477 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,479 INFO L267 ElimStorePlain]: Start of recursive call 189: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,491 INFO L267 ElimStorePlain]: Start of recursive call 187: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,493 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2018-11-22 22:37:58,536 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,536 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:58,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,559 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,562 INFO L267 ElimStorePlain]: Start of recursive call 193: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,563 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,566 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,567 INFO L267 ElimStorePlain]: Start of recursive call 195: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,582 INFO L267 ElimStorePlain]: Start of recursive call 191: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:58,585 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-22 22:37:58,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,625 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:37:58,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,645 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,647 INFO L267 ElimStorePlain]: Start of recursive call 199: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,648 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:37:58,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,650 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,651 INFO L267 ElimStorePlain]: Start of recursive call 201: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,666 INFO L267 ElimStorePlain]: Start of recursive call 197: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:58,669 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2018-11-22 22:37:58,688 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,688 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,707 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:37:58,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,709 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,712 INFO L267 ElimStorePlain]: Start of recursive call 205: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,715 INFO L267 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,717 INFO L267 ElimStorePlain]: Start of recursive call 207: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,731 INFO L267 ElimStorePlain]: Start of recursive call 203: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:37:58,734 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 54 [2018-11-22 22:37:58,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:37:58,764 INFO L267 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:37:58,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:37:58,782 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,784 INFO L267 ElimStorePlain]: Start of recursive call 211: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,785 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,787 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,788 INFO L267 ElimStorePlain]: Start of recursive call 213: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,800 INFO L267 ElimStorePlain]: Start of recursive call 209: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:37:58,802 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 63 [2018-11-22 22:37:58,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:37:58,829 INFO L267 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:37:58,842 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:37:58,842 INFO L267 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,850 INFO L267 ElimStorePlain]: Start of recursive call 217: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:37:58,859 INFO L267 ElimStorePlain]: Start of recursive call 215: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:00,772 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 216 [2018-11-22 22:38:00,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:00,832 INFO L267 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:00,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 92 [2018-11-22 22:38:00,936 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2018-11-22 22:38:00,937 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:00,938 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-11-22 22:38:00,939 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:00,940 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-11-22 22:38:00,941 INFO L267 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:00,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-22 22:38:00,943 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:01,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2018-11-22 22:38:01,065 INFO L267 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:01,067 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-11-22 22:38:01,067 INFO L267 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:01,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2018-11-22 22:38:01,070 INFO L267 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:01,194 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 68 [2018-11-22 22:38:01,368 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2018-11-22 22:38:01,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2018-11-22 22:38:01,371 INFO L267 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:01,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 41 [2018-11-22 22:38:01,479 INFO L267 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:01,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 44 [2018-11-22 22:38:01,613 INFO L267 ElimStorePlain]: Start of recursive call 232: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:01,745 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:01,746 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:01,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2018-11-22 22:38:01,749 INFO L267 ElimStorePlain]: Start of recursive call 233: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:01,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-11-22 22:38:01,879 INFO L267 ElimStorePlain]: Start of recursive call 234: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:01,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-11-22 22:38:01,882 INFO L267 ElimStorePlain]: Start of recursive call 235: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2018-11-22 22:38:02,012 INFO L267 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:02,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2018-11-22 22:38:02,014 INFO L267 ElimStorePlain]: Start of recursive call 237: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,133 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2018-11-22 22:38:02,134 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,247 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-11-22 22:38:02,248 INFO L267 ElimStorePlain]: Start of recursive call 239: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 47 [2018-11-22 22:38:02,372 INFO L267 ElimStorePlain]: Start of recursive call 240: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:02,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 47 [2018-11-22 22:38:02,508 INFO L267 ElimStorePlain]: Start of recursive call 241: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:02,644 INFO L267 ElimStorePlain]: Start of recursive call 229: 10 dim-1 vars, End of recursive call: 12 dim-0 vars, and 14 xjuncts. [2018-11-22 22:38:02,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2018-11-22 22:38:02,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2018-11-22 22:38:02,652 INFO L267 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:02,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 36 [2018-11-22 22:38:02,674 INFO L267 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:02,687 INFO L267 ElimStorePlain]: Start of recursive call 242: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:02,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2018-11-22 22:38:02,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2018-11-22 22:38:02,701 INFO L267 ElimStorePlain]: Start of recursive call 246: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 42 [2018-11-22 22:38:02,748 INFO L267 ElimStorePlain]: Start of recursive call 247: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:02,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 46 treesize of output 42 [2018-11-22 22:38:02,806 INFO L267 ElimStorePlain]: Start of recursive call 248: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:02,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2018-11-22 22:38:02,866 INFO L267 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:02,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-11-22 22:38:02,930 INFO L267 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:02,991 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 25 [2018-11-22 22:38:02,991 INFO L267 ElimStorePlain]: Start of recursive call 251: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:03,050 INFO L267 ElimStorePlain]: Start of recursive call 245: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-11-22 22:38:03,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 57 [2018-11-22 22:38:03,369 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2018-11-22 22:38:03,370 INFO L267 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,392 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 37 treesize of output 33 [2018-11-22 22:38:03,392 INFO L267 ElimStorePlain]: Start of recursive call 254: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:03,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-22 22:38:03,414 INFO L267 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-11-22 22:38:03,441 INFO L267 ElimStorePlain]: Start of recursive call 256: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:03,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-11-22 22:38:03,460 INFO L267 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,475 INFO L267 ElimStorePlain]: Start of recursive call 252: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:03,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 62 [2018-11-22 22:38:03,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-22 22:38:03,487 INFO L267 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2018-11-22 22:38:03,533 INFO L267 ElimStorePlain]: Start of recursive call 260: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:03,583 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-11-22 22:38:03,583 INFO L267 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2018-11-22 22:38:03,631 INFO L267 ElimStorePlain]: Start of recursive call 262: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:03,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-11-22 22:38:03,679 INFO L267 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,724 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-11-22 22:38:03,724 INFO L267 ElimStorePlain]: Start of recursive call 264: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:03,776 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:03,777 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:03,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2018-11-22 22:38:03,780 INFO L267 ElimStorePlain]: Start of recursive call 265: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:03,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-11-22 22:38:03,836 INFO L267 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:03,890 INFO L267 ElimStorePlain]: Start of recursive call 258: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-11-22 22:38:04,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 51 [2018-11-22 22:38:04,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-11-22 22:38:04,235 INFO L267 ElimStorePlain]: Start of recursive call 268: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:04,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-11-22 22:38:04,259 INFO L267 ElimStorePlain]: Start of recursive call 269: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:04,282 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2018-11-22 22:38:04,282 INFO L267 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:04,301 INFO L267 ElimStorePlain]: Start of recursive call 267: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:04,304 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-11-22 22:38:04,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2018-11-22 22:38:04,306 INFO L267 ElimStorePlain]: Start of recursive call 272: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:04,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:38:04,321 INFO L267 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:04,327 INFO L267 ElimStorePlain]: Start of recursive call 271: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:04,649 INFO L267 ElimStorePlain]: Start of recursive call 221: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 30 xjuncts. [2018-11-22 22:38:04,986 INFO L267 ElimStorePlain]: Start of recursive call 219: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 30 xjuncts. [2018-11-22 22:38:07,563 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 204 [2018-11-22 22:38:07,593 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:07,593 INFO L267 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:07,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:07,635 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:07,635 INFO L267 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:07,638 INFO L267 ElimStorePlain]: Start of recursive call 276: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:07,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:38:07,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:07,642 INFO L267 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:07,648 INFO L267 ElimStorePlain]: Start of recursive call 278: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:07,672 INFO L267 ElimStorePlain]: Start of recursive call 274: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:38:10,208 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 120 [2018-11-22 22:38:10,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 10 [2018-11-22 22:38:10,244 INFO L267 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,258 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:10,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 51 [2018-11-22 22:38:10,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 20 treesize of output 15 [2018-11-22 22:38:10,285 INFO L267 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,297 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-22 22:38:10,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:38:10,299 INFO L267 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,304 INFO L267 ElimStorePlain]: Start of recursive call 284: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-22 22:38:10,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-22 22:38:10,311 INFO L267 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-22 22:38:10,319 INFO L267 ElimStorePlain]: Start of recursive call 288: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:10,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-22 22:38:10,330 INFO L267 ElimStorePlain]: Start of recursive call 289: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:10,332 INFO L267 ElimStorePlain]: Start of recursive call 286: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,335 INFO L267 ElimStorePlain]: Start of recursive call 282: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:10,345 INFO L267 ElimStorePlain]: Start of recursive call 280: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:10,349 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 115 [2018-11-22 22:38:10,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:10,381 INFO L267 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 69 [2018-11-22 22:38:10,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2018-11-22 22:38:10,452 INFO L267 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-11-22 22:38:10,454 INFO L267 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 22:38:10,456 INFO L267 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2018-11-22 22:38:10,458 INFO L267 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 55 [2018-11-22 22:38:10,549 INFO L267 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2018-11-22 22:38:10,551 INFO L267 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 58 [2018-11-22 22:38:10,553 INFO L267 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-11-22 22:38:10,642 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:10,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-11-22 22:38:10,642 INFO L267 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,648 INFO L267 ElimStorePlain]: Start of recursive call 300: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 48 [2018-11-22 22:38:10,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 43 treesize of output 41 [2018-11-22 22:38:10,656 INFO L267 ElimStorePlain]: Start of recursive call 303: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:10,673 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:10,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2018-11-22 22:38:10,673 INFO L267 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,691 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:10,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 45 [2018-11-22 22:38:10,698 INFO L267 ElimStorePlain]: Start of recursive call 305: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:10,707 INFO L267 ElimStorePlain]: Start of recursive call 302: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,709 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:10,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-11-22 22:38:10,711 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-11-22 22:38:10,712 INFO L267 ElimStorePlain]: Start of recursive call 307: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:10,720 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:10,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2018-11-22 22:38:10,721 INFO L267 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,726 INFO L267 ElimStorePlain]: Start of recursive call 306: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:10,801 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 50 [2018-11-22 22:38:10,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-11-22 22:38:10,804 INFO L267 ElimStorePlain]: Start of recursive call 310: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:10,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-11-22 22:38:10,830 INFO L267 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-11-22 22:38:10,846 INFO L267 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2018-11-22 22:38:10,859 INFO L267 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,876 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2018-11-22 22:38:10,876 INFO L267 ElimStorePlain]: Start of recursive call 314: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:10,884 INFO L267 ElimStorePlain]: Start of recursive call 309: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 60 [2018-11-22 22:38:10,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-11-22 22:38:10,899 INFO L267 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:10,974 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 44 [2018-11-22 22:38:10,975 INFO L267 ElimStorePlain]: Start of recursive call 317: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:38:11,058 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 42 treesize of output 40 [2018-11-22 22:38:11,058 INFO L267 ElimStorePlain]: Start of recursive call 318: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:11,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-11-22 22:38:11,130 INFO L267 ElimStorePlain]: Start of recursive call 319: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:11,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-11-22 22:38:11,205 INFO L267 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-22 22:38:11,279 INFO L267 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,351 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2018-11-22 22:38:11,351 INFO L267 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 24 [2018-11-22 22:38:11,420 INFO L267 ElimStorePlain]: Start of recursive call 323: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:11,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2018-11-22 22:38:11,492 INFO L267 ElimStorePlain]: Start of recursive call 324: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:11,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 41 [2018-11-22 22:38:11,567 INFO L267 ElimStorePlain]: Start of recursive call 325: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:38:11,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-11-22 22:38:11,631 INFO L267 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,656 INFO L267 ElimStorePlain]: Start of recursive call 315: 13 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:11,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2018-11-22 22:38:11,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2018-11-22 22:38:11,663 INFO L267 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2018-11-22 22:38:11,679 INFO L267 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,692 INFO L267 ElimStorePlain]: Start of recursive call 327: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 56 [2018-11-22 22:38:11,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-22 22:38:11,747 INFO L267 ElimStorePlain]: Start of recursive call 331: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:11,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2018-11-22 22:38:11,778 INFO L267 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-22 22:38:11,806 INFO L267 ElimStorePlain]: Start of recursive call 333: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:11,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 24 [2018-11-22 22:38:11,833 INFO L267 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2018-11-22 22:38:11,863 INFO L267 ElimStorePlain]: Start of recursive call 335: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:11,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 39 [2018-11-22 22:38:11,891 INFO L267 ElimStorePlain]: Start of recursive call 336: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:38:11,903 INFO L267 ElimStorePlain]: Start of recursive call 330: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,921 INFO L267 ElimStorePlain]: Start of recursive call 292: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:38:11,944 INFO L267 ElimStorePlain]: Start of recursive call 290: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:38:11,946 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 113 [2018-11-22 22:38:11,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:11,976 INFO L267 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:11,991 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-11-22 22:38:12,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-22 22:38:12,007 INFO L267 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 55 [2018-11-22 22:38:12,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-11-22 22:38:12,032 INFO L267 ElimStorePlain]: Start of recursive call 342: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:12,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2018-11-22 22:38:12,071 INFO L267 ElimStorePlain]: Start of recursive call 343: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:12,109 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-11-22 22:38:12,109 INFO L267 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,147 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:12,149 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:12,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 44 [2018-11-22 22:38:12,155 INFO L267 ElimStorePlain]: Start of recursive call 345: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:12,204 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-22 22:38:12,204 INFO L267 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-22 22:38:12,246 INFO L267 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-22 22:38:12,285 INFO L267 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-11-22 22:38:12,287 INFO L267 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:38:12,324 INFO L267 ElimStorePlain]: Start of recursive call 350: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:12,348 INFO L267 ElimStorePlain]: Start of recursive call 341: 8 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:38:12,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-11-22 22:38:12,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2018-11-22 22:38:12,352 INFO L267 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:38:12,359 INFO L267 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,363 INFO L267 ElimStorePlain]: Start of recursive call 351: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 50 [2018-11-22 22:38:12,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-11-22 22:38:12,372 INFO L267 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-22 22:38:12,388 INFO L267 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-22 22:38:12,401 INFO L267 ElimStorePlain]: Start of recursive call 357: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:12,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-11-22 22:38:12,413 INFO L267 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 24 [2018-11-22 22:38:12,427 INFO L267 ElimStorePlain]: Start of recursive call 359: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:12,434 INFO L267 ElimStorePlain]: Start of recursive call 354: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 55 [2018-11-22 22:38:12,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 45 treesize of output 43 [2018-11-22 22:38:12,446 INFO L267 ElimStorePlain]: Start of recursive call 361: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:12,480 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-11-22 22:38:12,480 INFO L267 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2018-11-22 22:38:12,513 INFO L267 ElimStorePlain]: Start of recursive call 363: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:12,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-11-22 22:38:12,550 INFO L267 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-22 22:38:12,551 INFO L267 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,585 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-22 22:38:12,585 INFO L267 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-22 22:38:12,617 INFO L267 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:12,648 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:12,649 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:12,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 44 [2018-11-22 22:38:12,656 INFO L267 ElimStorePlain]: Start of recursive call 368: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:38:12,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:38:12,700 INFO L267 ElimStorePlain]: Start of recursive call 369: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:12,725 INFO L267 ElimStorePlain]: Start of recursive call 360: 8 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-22 22:38:12,758 INFO L267 ElimStorePlain]: Start of recursive call 339: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-11-22 22:38:12,790 INFO L267 ElimStorePlain]: Start of recursive call 337: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-11-22 22:38:14,980 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2018-11-22 22:38:15,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,006 INFO L267 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,018 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,019 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,020 INFO L267 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,021 INFO L267 ElimStorePlain]: Start of recursive call 372: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,030 INFO L267 ElimStorePlain]: Start of recursive call 370: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2018-11-22 22:38:15,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,068 INFO L267 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,085 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:38:15,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,087 INFO L267 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,088 INFO L267 ElimStorePlain]: Start of recursive call 376: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,091 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,091 INFO L267 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,093 INFO L267 ElimStorePlain]: Start of recursive call 378: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,106 INFO L267 ElimStorePlain]: Start of recursive call 374: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,109 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2018-11-22 22:38:15,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,141 INFO L267 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:38:15,158 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,158 INFO L267 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,160 INFO L267 ElimStorePlain]: Start of recursive call 382: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,163 INFO L267 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,164 INFO L267 ElimStorePlain]: Start of recursive call 384: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,177 INFO L267 ElimStorePlain]: Start of recursive call 380: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,179 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-22 22:38:15,209 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,209 INFO L267 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,223 INFO L267 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,225 INFO L267 ElimStorePlain]: Start of recursive call 388: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,235 INFO L267 ElimStorePlain]: Start of recursive call 386: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,238 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:38:15,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,270 INFO L267 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,286 INFO L267 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,288 INFO L267 ElimStorePlain]: Start of recursive call 392: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,299 INFO L267 ElimStorePlain]: Start of recursive call 390: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-22 22:38:15,329 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,330 INFO L267 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,344 INFO L267 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,346 INFO L267 ElimStorePlain]: Start of recursive call 396: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,356 INFO L267 ElimStorePlain]: Start of recursive call 394: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,358 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-22 22:38:15,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,400 INFO L267 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,419 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:38:15,421 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,421 INFO L267 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,423 INFO L267 ElimStorePlain]: Start of recursive call 400: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,424 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,426 INFO L267 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,428 INFO L267 ElimStorePlain]: Start of recursive call 402: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,445 INFO L267 ElimStorePlain]: Start of recursive call 398: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,447 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:38:15,479 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,479 INFO L267 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,494 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,496 INFO L267 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,499 INFO L267 ElimStorePlain]: Start of recursive call 406: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,516 INFO L267 ElimStorePlain]: Start of recursive call 404: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,519 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-11-22 22:38:15,547 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,547 INFO L267 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,562 INFO L267 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,563 INFO L267 ElimStorePlain]: Start of recursive call 410: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,581 INFO L267 ElimStorePlain]: Start of recursive call 408: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,583 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2018-11-22 22:38:15,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,624 INFO L267 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,645 INFO L267 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,646 INFO L267 ElimStorePlain]: Start of recursive call 414: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,648 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:38:15,649 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,649 INFO L267 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,651 INFO L267 ElimStorePlain]: Start of recursive call 416: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,667 INFO L267 ElimStorePlain]: Start of recursive call 412: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,669 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2018-11-22 22:38:15,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,692 INFO L267 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,716 INFO L267 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,719 INFO L267 ElimStorePlain]: Start of recursive call 420: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-22 22:38:15,724 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,724 INFO L267 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,727 INFO L267 ElimStorePlain]: Start of recursive call 422: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,746 INFO L267 ElimStorePlain]: Start of recursive call 418: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:38:15,748 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 63 [2018-11-22 22:38:15,791 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,792 INFO L267 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,815 INFO L267 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,818 INFO L267 ElimStorePlain]: Start of recursive call 426: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:38:15,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,823 INFO L267 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,825 INFO L267 ElimStorePlain]: Start of recursive call 428: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,843 INFO L267 ElimStorePlain]: Start of recursive call 424: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,845 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-11-22 22:38:15,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:15,891 INFO L267 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:38:15,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:15,913 INFO L267 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,914 INFO L267 ElimStorePlain]: Start of recursive call 432: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,916 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:15,917 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,918 INFO L267 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,919 INFO L267 ElimStorePlain]: Start of recursive call 434: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,936 INFO L267 ElimStorePlain]: Start of recursive call 430: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:15,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2018-11-22 22:38:15,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:15,966 INFO L267 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:15,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:15,980 INFO L267 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,981 INFO L267 ElimStorePlain]: Start of recursive call 438: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,991 INFO L267 ElimStorePlain]: Start of recursive call 436: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:15,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2018-11-22 22:38:16,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,024 INFO L267 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,039 INFO L267 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,041 INFO L267 ElimStorePlain]: Start of recursive call 442: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,052 INFO L267 ElimStorePlain]: Start of recursive call 440: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,059 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:38:16,093 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,093 INFO L267 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,109 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,110 INFO L267 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,111 INFO L267 ElimStorePlain]: Start of recursive call 446: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,123 INFO L267 ElimStorePlain]: Start of recursive call 444: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,125 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2018-11-22 22:38:16,152 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,152 INFO L267 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,166 INFO L267 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,168 INFO L267 ElimStorePlain]: Start of recursive call 450: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,177 INFO L267 ElimStorePlain]: Start of recursive call 448: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-11-22 22:38:16,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:16,206 INFO L267 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,219 INFO L267 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,220 INFO L267 ElimStorePlain]: Start of recursive call 454: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,229 INFO L267 ElimStorePlain]: Start of recursive call 452: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,231 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-11-22 22:38:16,261 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,262 INFO L267 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,275 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,276 INFO L267 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,278 INFO L267 ElimStorePlain]: Start of recursive call 458: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,288 INFO L267 ElimStorePlain]: Start of recursive call 456: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,290 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-11-22 22:38:16,313 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:16,313 INFO L267 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,325 INFO L267 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,327 INFO L267 ElimStorePlain]: Start of recursive call 462: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,334 INFO L267 ElimStorePlain]: Start of recursive call 460: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,336 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2018-11-22 22:38:16,362 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,362 INFO L267 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,375 INFO L267 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,377 INFO L267 ElimStorePlain]: Start of recursive call 466: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,386 INFO L267 ElimStorePlain]: Start of recursive call 464: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,390 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2018-11-22 22:38:16,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:16,423 INFO L267 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 13 [2018-11-22 22:38:16,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:16,440 INFO L267 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,442 INFO L267 ElimStorePlain]: Start of recursive call 470: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,445 INFO L267 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,447 INFO L267 ElimStorePlain]: Start of recursive call 472: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,460 INFO L267 ElimStorePlain]: Start of recursive call 468: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:16,462 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-22 22:38:16,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,492 INFO L267 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,507 INFO L267 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,508 INFO L267 ElimStorePlain]: Start of recursive call 476: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,519 INFO L267 ElimStorePlain]: Start of recursive call 474: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2018-11-22 22:38:16,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:16,549 INFO L267 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,562 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,563 INFO L267 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,564 INFO L267 ElimStorePlain]: Start of recursive call 480: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,574 INFO L267 ElimStorePlain]: Start of recursive call 478: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,576 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-11-22 22:38:16,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,608 INFO L267 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,625 INFO L267 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,626 INFO L267 ElimStorePlain]: Start of recursive call 484: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,638 INFO L267 ElimStorePlain]: Start of recursive call 482: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,640 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-11-22 22:38:16,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,681 INFO L267 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:38:16,702 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:16,702 INFO L267 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,704 INFO L267 ElimStorePlain]: Start of recursive call 488: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,708 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,708 INFO L267 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,710 INFO L267 ElimStorePlain]: Start of recursive call 490: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,727 INFO L267 ElimStorePlain]: Start of recursive call 486: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:16,729 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-11-22 22:38:16,753 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,753 INFO L267 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,767 INFO L267 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,768 INFO L267 ElimStorePlain]: Start of recursive call 494: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,777 INFO L267 ElimStorePlain]: Start of recursive call 492: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-11-22 22:38:16,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:16,804 INFO L267 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,817 INFO L267 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,818 INFO L267 ElimStorePlain]: Start of recursive call 498: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,827 INFO L267 ElimStorePlain]: Start of recursive call 496: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,830 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-11-22 22:38:16,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,869 INFO L267 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-22 22:38:16,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:16,891 INFO L267 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,892 INFO L267 ElimStorePlain]: Start of recursive call 502: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-22 22:38:16,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,896 INFO L267 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,898 INFO L267 ElimStorePlain]: Start of recursive call 504: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,914 INFO L267 ElimStorePlain]: Start of recursive call 500: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:16,916 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2018-11-22 22:38:16,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-22 22:38:16,945 INFO L267 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 16 treesize of output 12 [2018-11-22 22:38:16,959 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-22 22:38:16,959 INFO L267 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,961 INFO L267 ElimStorePlain]: Start of recursive call 508: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:16,971 INFO L267 ElimStorePlain]: Start of recursive call 506: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:19,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 6 dim-2 vars, End of recursive call: 136 dim-0 vars, and 104 xjuncts. [2018-11-22 22:38:19,482 INFO L202 ElimStorePlain]: Needed 509 recursive calls to eliminate 18 variables, input treesize:920, output treesize:6900 [2018-11-22 22:38:20,694 WARN L180 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 100 [2018-11-22 22:38:20,809 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2018-11-22 22:38:20,811 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 29 [2018-11-22 22:38:20,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-22 22:38:20,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 treesize of output 16 [2018-11-22 22:38:20,861 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,904 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 23 treesize of output 21 [2018-11-22 22:38:20,905 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 21 treesize of output 19 [2018-11-22 22:38:20,906 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 22 [2018-11-22 22:38:20,947 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:20,986 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 24 [2018-11-22 22:38:20,986 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:21,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 21 treesize of output 19 [2018-11-22 22:38:21,024 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:21,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 6 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-11-22 22:38:21,060 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 14 variables, input treesize:222, output treesize:101 [2018-11-22 22:38:21,129 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,129 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:38:21,130 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:21,142 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,142 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,142 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-22 22:38:21,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:21,154 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,154 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:21,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:38:21,154 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:21,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:21,164 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:60, output treesize:24 [2018-11-22 22:38:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:21,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:38:21,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 16] total 44 [2018-11-22 22:38:21,254 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:38:21,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-22 22:38:21,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-22 22:38:21,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1709, Unknown=2, NotChecked=0, Total=1892 [2018-11-22 22:38:21,255 INFO L87 Difference]: Start difference. First operand 143 states and 155 transitions. Second operand 31 states. [2018-11-22 22:38:22,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:38:22,960 INFO L93 Difference]: Finished difference Result 192 states and 196 transitions. [2018-11-22 22:38:22,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-22 22:38:22,960 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 38 [2018-11-22 22:38:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:38:22,961 INFO L225 Difference]: With dead ends: 192 [2018-11-22 22:38:22,961 INFO L226 Difference]: Without dead ends: 181 [2018-11-22 22:38:22,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=580, Invalid=3324, Unknown=2, NotChecked=0, Total=3906 [2018-11-22 22:38:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-11-22 22:38:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 125. [2018-11-22 22:38:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-22 22:38:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 132 transitions. [2018-11-22 22:38:22,963 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 132 transitions. Word has length 38 [2018-11-22 22:38:22,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:38:22,964 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 132 transitions. [2018-11-22 22:38:22,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-22 22:38:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2018-11-22 22:38:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:38:22,964 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:38:22,964 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:38:22,964 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:38:22,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1534729734, now seen corresponding path program 1 times [2018-11-22 22:38:22,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:38:22,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:22,965 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 22:38:22,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:22,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:38:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:23,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:38:23,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-22 22:38:23,127 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:38:23,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 22:38:23,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 22:38:23,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:38:23,128 INFO L87 Difference]: Start difference. First operand 125 states and 132 transitions. Second operand 13 states. [2018-11-22 22:38:23,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:38:23,451 INFO L93 Difference]: Finished difference Result 180 states and 184 transitions. [2018-11-22 22:38:23,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 22:38:23,453 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2018-11-22 22:38:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:38:23,454 INFO L225 Difference]: With dead ends: 180 [2018-11-22 22:38:23,454 INFO L226 Difference]: Without dead ends: 180 [2018-11-22 22:38:23,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2018-11-22 22:38:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-11-22 22:38:23,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 135. [2018-11-22 22:38:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-22 22:38:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2018-11-22 22:38:23,457 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 41 [2018-11-22 22:38:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:38:23,458 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2018-11-22 22:38:23,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 22:38:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-11-22 22:38:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:38:23,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:38:23,458 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:38:23,458 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:38:23,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1490002632, now seen corresponding path program 1 times [2018-11-22 22:38:23,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:38:23,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:23,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:23,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:23,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:38:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:23,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:23,657 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:38:23,657 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-11-22 22:38:23,657 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [107], [138], [145], [149], [154], [157], [161], [168], [172], [177], [182], [183], [189], [190], [193], [195], [197], [232], [233], [234] [2018-11-22 22:38:23,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:38:23,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:38:23,694 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:38:23,694 INFO L272 AbstractInterpreter]: Visited 41 different actions 41 times. Never merged. Never widened. Performed 300 root evaluator evaluations with a maximum evaluation depth of 3. Performed 300 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 35 variables. [2018-11-22 22:38:23,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:23,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:38:23,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:23,701 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:38:23,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:23,710 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:38:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:23,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:38:23,734 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:23,747 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:23,747 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-22 22:38:23,748 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,752 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-22 22:38:23,759 INFO L478 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 11 treesize of output 8 [2018-11-22 22:38:23,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:38:23,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,768 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-11-22 22:38:23,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-11-22 22:38:23,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:38:23,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:23,805 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-11-22 22:38:23,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-11-22 22:38:23,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:38:23,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:23,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:23,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:23,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:53, output treesize:31 [2018-11-22 22:38:23,950 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:38:23,952 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:38:23,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2018-11-22 22:38:23,982 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:23,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-11-22 22:38:23,982 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:23,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:23,986 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-11-22 22:38:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:24,003 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:38:24,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-22 22:38:24,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:24,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-22 22:38:24,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:24,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:24,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:16 [2018-11-22 22:38:24,075 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:24,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:24,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:24,078 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-11-22 22:38:29,596 WARN L832 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_24 Int) (|main_#t~mem7.offset| Int) (|main_#t~mem6.offset| Int)) (not (= c_main_~head~0.base (select (select (let ((.cse0 (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_main_~x~0.base) c_main_~x~0.offset))) (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) (+ |main_#t~mem6.offset| 4) c_main_~x~0.base))))) (let ((.cse1 (select (select .cse0 c_main_~x~0.base) c_main_~x~0.offset))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ |main_#t~mem7.offset| 8) v_DerPreprocessor_24)))) c_main_~head~0.base) c_main_~head~0.offset)))) is different from false [2018-11-22 22:38:29,601 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 76 [2018-11-22 22:38:29,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:38:29,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,630 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 59 [2018-11-22 22:38:29,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-22 22:38:29,674 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 40 [2018-11-22 22:38:29,676 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-22 22:38:29,677 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 35 treesize of output 36 [2018-11-22 22:38:29,743 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 38 treesize of output 37 [2018-11-22 22:38:29,746 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-11-22 22:38:29,748 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-11-22 22:38:29,811 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:38:29,811 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:38:29,815 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,818 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2018-11-22 22:38:29,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-11-22 22:38:29,824 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2018-11-22 22:38:29,839 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2018-11-22 22:38:29,856 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:29,863 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,864 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-22 22:38:29,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:38:29,866 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,870 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:29,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 51 [2018-11-22 22:38:30,031 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,032 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 32 [2018-11-22 22:38:30,039 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 4 xjuncts. [2018-11-22 22:38:30,103 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,104 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 32 [2018-11-22 22:38:30,110 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 4 xjuncts. [2018-11-22 22:38:30,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-22 22:38:30,169 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-11-22 22:38:30,225 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-22 22:38:30,280 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-22 22:38:30,282 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-11-22 22:38:30,363 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2018-11-22 22:38:30,397 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,422 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,422 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-22 22:38:30,423 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 34 [2018-11-22 22:38:30,450 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 8 xjuncts. [2018-11-22 22:38:30,470 INFO L267 ElimStorePlain]: Start of recursive call 20: 10 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:38:30,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2018-11-22 22:38:30,477 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-11-22 22:38:30,477 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 25 [2018-11-22 22:38:30,491 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,498 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 46 [2018-11-22 22:38:30,508 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-11-22 22:38:30,509 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-11-22 22:38:30,533 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,554 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,554 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,554 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:38:30,554 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-22 22:38:30,579 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,591 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2018-11-22 22:38:30,591 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,597 INFO L267 ElimStorePlain]: Start of recursive call 34: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,634 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:38:30,647 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:38:30,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:38:30,661 INFO L202 ElimStorePlain]: Needed 39 recursive calls to eliminate 4 variables, input treesize:130, output treesize:26 [2018-11-22 22:38:30,683 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,684 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:38:30,684 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,691 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,691 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:38:30,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-22 22:38:30,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:30,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:30,700 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:46, output treesize:7 [2018-11-22 22:38:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:30,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:38:30,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 18] total 27 [2018-11-22 22:38:30,719 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:38:30,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-22 22:38:30,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-22 22:38:30,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=607, Unknown=2, NotChecked=50, Total=756 [2018-11-22 22:38:30,720 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand 22 states. [2018-11-22 22:38:31,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:38:31,369 INFO L93 Difference]: Finished difference Result 182 states and 186 transitions. [2018-11-22 22:38:31,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-22 22:38:31,369 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 41 [2018-11-22 22:38:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:38:31,370 INFO L225 Difference]: With dead ends: 182 [2018-11-22 22:38:31,370 INFO L226 Difference]: Without dead ends: 182 [2018-11-22 22:38:31,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 53 SyntacticMatches, 21 SemanticMatches, 42 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=339, Invalid=1469, Unknown=2, NotChecked=82, Total=1892 [2018-11-22 22:38:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-11-22 22:38:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 140. [2018-11-22 22:38:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-22 22:38:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2018-11-22 22:38:31,373 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 41 [2018-11-22 22:38:31,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:38:31,374 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2018-11-22 22:38:31,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-22 22:38:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2018-11-22 22:38:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:38:31,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:38:31,374 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:38:31,374 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:38:31,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:31,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1490002631, now seen corresponding path program 1 times [2018-11-22 22:38:31,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:38:31,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:31,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:31,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:31,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:38:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:31,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:31,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:38:31,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-11-22 22:38:31,491 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [107], [138], [145], [149], [154], [157], [161], [168], [172], [177], [182], [184], [189], [190], [193], [195], [197], [232], [233], [234] [2018-11-22 22:38:31,493 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:38:31,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:38:31,524 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:38:31,525 INFO L272 AbstractInterpreter]: Visited 41 different actions 41 times. Never merged. Never widened. Performed 302 root evaluator evaluations with a maximum evaluation depth of 3. Performed 302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 35 variables. [2018-11-22 22:38:31,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:31,547 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:38:31,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:31,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:38:31,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:31,561 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:38:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:31,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:38:31,665 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-22 22:38:31,668 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-22 22:38:31,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,680 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-22 22:38:31,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-22 22:38:31,691 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,700 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,705 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-11-22 22:38:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:31,708 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:38:31,727 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2018-11-22 22:38:31,728 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:31,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-11-22 22:38:31,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:38:31,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-11-22 22:38:31,887 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-11-22 22:38:31,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-11-22 22:38:31,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 [2018-11-22 22:38:31,903 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:31,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 13 treesize of output 11 [2018-11-22 22:38:31,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-11-22 22:38:31,979 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,980 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,981 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-22 22:38:31,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 5 [2018-11-22 22:38:31,983 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,984 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:31,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:31,992 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:64, output treesize:7 [2018-11-22 22:38:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:32,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 22:38:32,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2018-11-22 22:38:32,011 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 22:38:32,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:38:32,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:38:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:38:32,012 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 9 states. [2018-11-22 22:38:32,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:38:32,328 INFO L93 Difference]: Finished difference Result 194 states and 199 transitions. [2018-11-22 22:38:32,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:38:32,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-11-22 22:38:32,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:38:32,329 INFO L225 Difference]: With dead ends: 194 [2018-11-22 22:38:32,329 INFO L226 Difference]: Without dead ends: 194 [2018-11-22 22:38:32,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-11-22 22:38:32,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-11-22 22:38:32,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 149. [2018-11-22 22:38:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-22 22:38:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 161 transitions. [2018-11-22 22:38:32,331 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 161 transitions. Word has length 41 [2018-11-22 22:38:32,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:38:32,331 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 161 transitions. [2018-11-22 22:38:32,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:38:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 161 transitions. [2018-11-22 22:38:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 22:38:32,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:38:32,332 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:38:32,332 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:38:32,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:32,332 INFO L82 PathProgramCache]: Analyzing trace with hash -331981243, now seen corresponding path program 1 times [2018-11-22 22:38:32,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:38:32,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:32,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:32,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:32,333 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:38:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:32,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:38:32,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:38:32,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:38:32,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:38:32,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:38:32,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:38:32,393 INFO L87 Difference]: Start difference. First operand 149 states and 161 transitions. Second operand 8 states. [2018-11-22 22:38:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:38:32,586 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2018-11-22 22:38:32,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:38:32,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-11-22 22:38:32,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:38:32,588 INFO L225 Difference]: With dead ends: 171 [2018-11-22 22:38:32,588 INFO L226 Difference]: Without dead ends: 171 [2018-11-22 22:38:32,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:38:32,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-11-22 22:38:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2018-11-22 22:38:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-22 22:38:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2018-11-22 22:38:32,591 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 42 [2018-11-22 22:38:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:38:32,591 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2018-11-22 22:38:32,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:38:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2018-11-22 22:38:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 22:38:32,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:38:32,592 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:38:32,592 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION]=== [2018-11-22 22:38:32,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash 76434337, now seen corresponding path program 1 times [2018-11-22 22:38:32,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:38:32,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:32,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:32,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:38:32,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:38:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:32,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:32,834 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 22:38:32,834 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-22 22:38:32,835 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [15], [20], [23], [25], [26], [29], [32], [35], [36], [39], [40], [50], [54], [62], [65], [66], [69], [72], [75], [76], [79], [82], [90], [94], [102], [107], [138], [145], [149], [154], [157], [162], [232], [233], [234] [2018-11-22 22:38:32,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 22:38:32,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 22:38:32,862 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 22:38:32,862 INFO L272 AbstractInterpreter]: Visited 41 different actions 41 times. Never merged. Never widened. Performed 326 root evaluator evaluations with a maximum evaluation depth of 3. Performed 326 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 37 variables. [2018-11-22 22:38:32,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:38:32,865 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 22:38:32,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:38:32,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:38:32,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:38:32,879 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 22:38:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:38:32,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:38:32,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:38:32,913 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:38:32,927 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:32,931 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:32,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-22 22:38:32,931 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,937 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-22 22:38:32,954 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:38:32,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:38:32,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:32,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-11-22 22:38:32,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-11-22 22:38:32,999 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:38:33,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,004 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:33,010 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2018-11-22 22:38:33,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-11-22 22:38:33,084 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 17 [2018-11-22 22:38:33,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:33,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:33,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:33,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:62 [2018-11-22 22:38:33,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-22 22:38:33,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 [2018-11-22 22:38:33,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,123 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:22 [2018-11-22 22:38:33,130 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:33,131 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:33,131 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:38:33,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-22 22:38:33,132 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,137 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2018-11-22 22:38:33,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-22 22:38:33,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:38:33,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:33 [2018-11-22 22:38:33,207 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2018-11-22 22:38:33,209 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-22 22:38:33,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:33,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-11-22 22:38:33,273 INFO L478 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 0 case distinctions, treesize of input 110 treesize of output 83 [2018-11-22 22:38:33,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 29 [2018-11-22 22:38:33,281 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:38:33,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:38:33,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:33,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:110, output treesize:114 [2018-11-22 22:38:33,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-22 22:38:33,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:38:33,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,366 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:38:33,366 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:33,372 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:53, output treesize:5 [2018-11-22 22:38:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:38:33,387 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:38:33,415 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:33,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:33,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:33,419 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-11-22 22:38:47,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 133 [2018-11-22 22:38:47,032 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:47,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:47,034 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:138, output treesize:129 [2018-11-22 22:38:47,848 WARN L180 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-22 22:38:47,882 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:47,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:47,890 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:47,890 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:156, output treesize:176 [2018-11-22 22:38:49,976 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:49,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:49,982 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:38:49,987 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:38:49,988 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:49,996 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:38:50,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2018-11-22 22:38:50,025 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:196, output treesize:262 [2018-11-22 22:39:15,666 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1309 treesize of output 678 [2018-11-22 22:39:15,712 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:39:15,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:15,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 425 treesize of output 245 [2018-11-22 22:39:15,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 183 [2018-11-22 22:39:15,745 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:15,800 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 278 [2018-11-22 22:39:15,800 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:15,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 278 treesize of output 155 [2018-11-22 22:39:16,026 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 116 [2018-11-22 22:39:16,035 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:16,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 135 [2018-11-22 22:39:16,064 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 110 [2018-11-22 22:39:16,073 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:16,154 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,156 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 106 [2018-11-22 22:39:16,164 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:16,251 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,252 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 88 [2018-11-22 22:39:16,252 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:16,338 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,340 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 125 [2018-11-22 22:39:16,356 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-11-22 22:39:16,490 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-22 22:39:16,654 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,661 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 123 [2018-11-22 22:39:16,724 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 120 [2018-11-22 22:39:16,728 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 79 treesize of output 77 [2018-11-22 22:39:16,728 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:16,793 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:39:16,795 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:16,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 99 [2018-11-22 22:39:16,811 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 54 treesize of output 52 [2018-11-22 22:39:16,811 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:16,844 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:39:16,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 95 [2018-11-22 22:39:16,850 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:16,893 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:39:17,105 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:17,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 120 [2018-11-22 22:39:17,152 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:17,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 107 [2018-11-22 22:39:17,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 79 treesize of output 77 [2018-11-22 22:39:17,175 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:17,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 60 treesize of output 58 [2018-11-22 22:39:17,250 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:17,306 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:39:17,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 103 [2018-11-22 22:39:17,317 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:17,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 128 [2018-11-22 22:39:17,351 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 104 treesize of output 102 [2018-11-22 22:39:17,351 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:17,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 85 treesize of output 83 [2018-11-22 22:39:17,500 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:17,599 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-22 22:39:17,700 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-22 22:39:18,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-11-22 22:39:18,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-22 22:39:18,015 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,020 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,021 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 53 [2018-11-22 22:39:18,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2018-11-22 22:39:18,031 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,040 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-11-22 22:39:18,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-22 22:39:18,058 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2018-11-22 22:39:18,062 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,072 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:39:18,085 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,087 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 53 [2018-11-22 22:39:18,095 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 35 [2018-11-22 22:39:18,098 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,100 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 55 [2018-11-22 22:39:18,181 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-11-22 22:39:18,182 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,184 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 48 [2018-11-22 22:39:18,193 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2018-11-22 22:39:18,195 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,203 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 48 [2018-11-22 22:39:18,203 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 4 xjuncts. [2018-11-22 22:39:18,264 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,265 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-11-22 22:39:18,265 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,267 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-11-22 22:39:18,271 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,312 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,315 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 57 [2018-11-22 22:39:18,328 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 12 xjuncts. [2018-11-22 22:39:18,332 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,336 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:18,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 35 [2018-11-22 22:39:18,344 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2018-11-22 22:39:18,388 INFO L267 ElimStorePlain]: Start of recursive call 36: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:39:18,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 28 treesize of output 40 [2018-11-22 22:39:18,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-11-22 22:39:18,435 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-22 22:39:18,440 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-22 22:39:18,446 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 42 [2018-11-22 22:39:18,485 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 8 xjuncts. [2018-11-22 22:39:18,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2018-11-22 22:39:18,490 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,508 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:18,527 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-22 22:39:18,545 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:39:18,547 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-22 22:39:18,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-22 22:39:18,549 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,553 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:18,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 59 [2018-11-22 22:39:19,051 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:39:19,051 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_525 (+ v_prenex_258 8) v_prenex_256) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 22:39:19,054 INFO L168 Benchmark]: Toolchain (without parser) took 125484.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 537.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:19,055 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:39:19,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -203.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:19,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:39:19,055 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:19,056 INFO L168 Benchmark]: RCFGBuilder took 452.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:19,056 INFO L168 Benchmark]: TraceAbstraction took 124665.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 946.6 kB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:39:19,057 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -203.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 124665.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 946.6 kB). Peak memory consumption was 524.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_525 (+ v_prenex_258 8) v_prenex_256) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_525 (+ v_prenex_258 8) v_prenex_256): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:39:20,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:39:20,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:39:20,400 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:39:20,400 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:39:20,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:39:20,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:39:20,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:39:20,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:39:20,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:39:20,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:39:20,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:39:20,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:39:20,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:39:20,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:39:20,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:39:20,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:39:20,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:39:20,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:39:20,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:39:20,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:39:20,415 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:39:20,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:39:20,417 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:39:20,417 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:39:20,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:39:20,418 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:39:20,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:39:20,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:39:20,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:39:20,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:39:20,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:39:20,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:39:20,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:39:20,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:39:20,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:39:20,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2018-11-22 22:39:20,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:39:20,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:39:20,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:39:20,435 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:39:20,435 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:39:20,435 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:39:20,435 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:39:20,435 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:39:20,435 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:39:20,436 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:39:20,436 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:39:20,436 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:39:20,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-22 22:39:20,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:39:20,438 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:39:20,438 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:39:20,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:39:20,438 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:39:20,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:39:20,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:39:20,439 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:39:20,440 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:39:20,440 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:39:20,440 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan 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 valid-memcleanup) ) 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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2018-11-22 22:39:20,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:39:20,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:39:20,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:39:20,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:39:20,483 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:39:20,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:39:20,528 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/6e857cca7/7ff7fd93493141b0b070b0614172c09f/FLAG308bfe913 [2018-11-22 22:39:20,876 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:39:20,877 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:39:20,883 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/6e857cca7/7ff7fd93493141b0b070b0614172c09f/FLAG308bfe913 [2018-11-22 22:39:21,283 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/data/6e857cca7/7ff7fd93493141b0b070b0614172c09f [2018-11-22 22:39:21,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:39:21,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:39:21,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:21,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:39:21,289 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:39:21,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7d1ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21, skipping insertion in model container [2018-11-22 22:39:21,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:39:21,328 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:39:21,547 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:21,558 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:39:21,590 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:21,625 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:39:21,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21 WrapperNode [2018-11-22 22:39:21,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:21,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:21,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:39:21,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:39:21,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:21,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:39:21,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:39:21,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:39:21,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... [2018-11-22 22:39:21,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:39:21,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:39:21,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:39:21,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:39:21,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:39:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:39:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:39:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:39:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:39:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:39:22,219 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:39:22,219 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-22 22:39:22,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:22 BoogieIcfgContainer [2018-11-22 22:39:22,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:39:22,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:39:22,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:39:22,222 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:39:22,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:39:21" (1/3) ... [2018-11-22 22:39:22,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:22, skipping insertion in model container [2018-11-22 22:39:22,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:21" (2/3) ... [2018-11-22 22:39:22,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:22, skipping insertion in model container [2018-11-22 22:39:22,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:22" (3/3) ... [2018-11-22 22:39:22,224 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-token_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:39:22,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:39:22,239 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-11-22 22:39:22,249 INFO L257 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2018-11-22 22:39:22,266 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:39:22,266 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:39:22,266 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-22 22:39:22,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:39:22,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:39:22,266 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:39:22,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:39:22,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:39:22,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:39:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-11-22 22:39:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:39:22,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:22,283 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:22,284 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:22,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:22,287 INFO L82 PathProgramCache]: Analyzing trace with hash 605789546, now seen corresponding path program 1 times [2018-11-22 22:39:22,290 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:22,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:22,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:22,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:22,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:22,365 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:22,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:22,369 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:22,378 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:22,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:22,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:39:22,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:39:22,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:39:22,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:22,397 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 3 states. [2018-11-22 22:39:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:22,623 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2018-11-22 22:39:22,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:39:22,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-22 22:39:22,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:22,631 INFO L225 Difference]: With dead ends: 133 [2018-11-22 22:39:22,632 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 22:39:22,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:22,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 22:39:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 114. [2018-11-22 22:39:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-22 22:39:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 116 transitions. [2018-11-22 22:39:22,661 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 116 transitions. Word has length 7 [2018-11-22 22:39:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:22,662 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 116 transitions. [2018-11-22 22:39:22,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:39:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 116 transitions. [2018-11-22 22:39:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:39:22,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:22,663 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:22,663 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:22,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:22,663 INFO L82 PathProgramCache]: Analyzing trace with hash 605789547, now seen corresponding path program 1 times [2018-11-22 22:39:22,664 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:22,664 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:22,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:22,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:22,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:22,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:22,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:22,710 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:22,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:22,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:22,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:39:22,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:39:22,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:39:22,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:22,719 INFO L87 Difference]: Start difference. First operand 114 states and 116 transitions. Second operand 3 states. [2018-11-22 22:39:22,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:22,933 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2018-11-22 22:39:22,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:39:22,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-22 22:39:22,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:22,935 INFO L225 Difference]: With dead ends: 133 [2018-11-22 22:39:22,935 INFO L226 Difference]: Without dead ends: 133 [2018-11-22 22:39:22,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:39:22,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-22 22:39:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2018-11-22 22:39:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-22 22:39:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2018-11-22 22:39:22,946 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 7 [2018-11-22 22:39:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:22,946 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2018-11-22 22:39:22,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:39:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2018-11-22 22:39:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 22:39:22,947 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:22,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:22,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:22,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:22,948 INFO L82 PathProgramCache]: Analyzing trace with hash -783294613, now seen corresponding path program 1 times [2018-11-22 22:39:22,948 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:22,948 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:22,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:23,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:23,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:23,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:23,029 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:23,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:23,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:39:23,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:39:23,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:39:23,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:39:23,032 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand 4 states. [2018-11-22 22:39:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:23,251 INFO L93 Difference]: Finished difference Result 111 states and 114 transitions. [2018-11-22 22:39:23,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 22:39:23,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-22 22:39:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:23,252 INFO L225 Difference]: With dead ends: 111 [2018-11-22 22:39:23,252 INFO L226 Difference]: Without dead ends: 111 [2018-11-22 22:39:23,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:39:23,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-22 22:39:23,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-11-22 22:39:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-22 22:39:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 102 transitions. [2018-11-22 22:39:23,256 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 102 transitions. Word has length 12 [2018-11-22 22:39:23,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:23,256 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 102 transitions. [2018-11-22 22:39:23,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:39:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2018-11-22 22:39:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 22:39:23,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:23,257 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:23,257 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:23,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:23,258 INFO L82 PathProgramCache]: Analyzing trace with hash -783294612, now seen corresponding path program 1 times [2018-11-22 22:39:23,258 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:23,258 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:23,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:23,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:23,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:23,303 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:23,329 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:23,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:23,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:39:23,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:39:23,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:39:23,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:39:23,331 INFO L87 Difference]: Start difference. First operand 98 states and 102 transitions. Second operand 4 states. [2018-11-22 22:39:23,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:23,674 INFO L93 Difference]: Finished difference Result 169 states and 173 transitions. [2018-11-22 22:39:23,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:39:23,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-22 22:39:23,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:23,676 INFO L225 Difference]: With dead ends: 169 [2018-11-22 22:39:23,676 INFO L226 Difference]: Without dead ends: 169 [2018-11-22 22:39:23,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:39:23,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-22 22:39:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 131. [2018-11-22 22:39:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-22 22:39:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 142 transitions. [2018-11-22 22:39:23,684 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 142 transitions. Word has length 12 [2018-11-22 22:39:23,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:23,684 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 142 transitions. [2018-11-22 22:39:23,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:39:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2018-11-22 22:39:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 22:39:23,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:23,685 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:23,686 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:23,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:23,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1126821368, now seen corresponding path program 1 times [2018-11-22 22:39:23,687 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:23,687 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:23,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:23,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:23,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 14 treesize of output 11 [2018-11-22 22:39:23,750 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:23,758 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-22 22:39:23,772 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:23,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:23,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,784 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-22 22:39:23,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:39:23,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-22 22:39:23,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:23,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-22 22:39:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:23,812 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:23,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:23,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:39:23,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:39:23,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:39:23,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:39:23,815 INFO L87 Difference]: Start difference. First operand 131 states and 142 transitions. Second operand 6 states. [2018-11-22 22:39:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:24,343 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-11-22 22:39:24,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:39:24,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-22 22:39:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:24,344 INFO L225 Difference]: With dead ends: 186 [2018-11-22 22:39:24,344 INFO L226 Difference]: Without dead ends: 186 [2018-11-22 22:39:24,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:39:24,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-11-22 22:39:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 130. [2018-11-22 22:39:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 22:39:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 140 transitions. [2018-11-22 22:39:24,348 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 140 transitions. Word has length 14 [2018-11-22 22:39:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:24,348 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 140 transitions. [2018-11-22 22:39:24,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:39:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2018-11-22 22:39:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 22:39:24,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:24,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:24,349 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:24,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:24,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1126821367, now seen corresponding path program 1 times [2018-11-22 22:39:24,350 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:24,350 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:24,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:24,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:24,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:24,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,417 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:24,436 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:24,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:24,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,457 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:24,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:24,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,462 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,468 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-11-22 22:39:24,480 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:39:24,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:39:24,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,495 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:39:24,497 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-22 22:39:24,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,499 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:24,503 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2018-11-22 22:39:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:24,512 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:24,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:24,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:39:24,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:39:24,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:39:24,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:39:24,514 INFO L87 Difference]: Start difference. First operand 130 states and 140 transitions. Second operand 5 states. [2018-11-22 22:39:25,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:25,075 INFO L93 Difference]: Finished difference Result 209 states and 221 transitions. [2018-11-22 22:39:25,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:39:25,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-22 22:39:25,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:25,077 INFO L225 Difference]: With dead ends: 209 [2018-11-22 22:39:25,077 INFO L226 Difference]: Without dead ends: 209 [2018-11-22 22:39:25,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:39:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-11-22 22:39:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 129. [2018-11-22 22:39:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-22 22:39:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2018-11-22 22:39:25,082 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 14 [2018-11-22 22:39:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:25,082 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2018-11-22 22:39:25,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:39:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2018-11-22 22:39:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 22:39:25,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:25,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:25,084 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:25,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:25,085 INFO L82 PathProgramCache]: Analyzing trace with hash -566481233, now seen corresponding path program 1 times [2018-11-22 22:39:25,085 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:25,085 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:25,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:25,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:25,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 14 treesize of output 11 [2018-11-22 22:39:25,151 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:25,156 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-22 22:39:25,168 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:25,170 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:25,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,178 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-22 22:39:25,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:39:25,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-22 22:39:25,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,193 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-22 22:39:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:25,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:25,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:25,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 22:39:25,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:39:25,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:39:25,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:39:25,200 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand 6 states. [2018-11-22 22:39:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:25,500 INFO L93 Difference]: Finished difference Result 131 states and 137 transitions. [2018-11-22 22:39:25,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:39:25,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-22 22:39:25,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:25,501 INFO L225 Difference]: With dead ends: 131 [2018-11-22 22:39:25,501 INFO L226 Difference]: Without dead ends: 131 [2018-11-22 22:39:25,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:39:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-22 22:39:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2018-11-22 22:39:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-22 22:39:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-11-22 22:39:25,504 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 16 [2018-11-22 22:39:25,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:25,505 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-11-22 22:39:25,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:39:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-11-22 22:39:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 22:39:25,505 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:25,505 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:25,505 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:25,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:25,506 INFO L82 PathProgramCache]: Analyzing trace with hash -566481232, now seen corresponding path program 1 times [2018-11-22 22:39:25,506 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:25,506 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:25,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:25,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:25,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:25,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,587 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:25,600 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:25,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:25,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,615 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:25,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:25,618 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,620 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,626 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-11-22 22:39:25,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:39:25,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:39:25,641 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,651 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-22 22:39:25,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-22 22:39:25,654 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,655 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,658 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:25,659 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2018-11-22 22:39:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:25,666 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:25,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:25,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 22:39:25,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:39:25,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:39:25,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:39:25,668 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand 5 states. [2018-11-22 22:39:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:26,002 INFO L93 Difference]: Finished difference Result 127 states and 134 transitions. [2018-11-22 22:39:26,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:39:26,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-22 22:39:26,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:26,003 INFO L225 Difference]: With dead ends: 127 [2018-11-22 22:39:26,003 INFO L226 Difference]: Without dead ends: 127 [2018-11-22 22:39:26,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:39:26,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-22 22:39:26,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-22 22:39:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-22 22:39:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 134 transitions. [2018-11-22 22:39:26,005 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 134 transitions. Word has length 16 [2018-11-22 22:39:26,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:26,005 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 134 transitions. [2018-11-22 22:39:26,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:39:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2018-11-22 22:39:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 22:39:26,006 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:26,006 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:26,006 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:26,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:26,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1609544522, now seen corresponding path program 1 times [2018-11-22 22:39:26,006 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:26,006 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:26,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:26,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:26,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:26,077 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,078 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:26,089 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:26,090 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:26,091 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:39:26,091 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,096 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:16 [2018-11-22 22:39:26,109 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:26,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:26,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,114 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,123 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:26 [2018-11-22 22:39:26,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-22 22:39:26,168 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:26,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:26,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-11-22 22:39:26,216 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-11-22 22:39:26,218 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:26,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:39:26,226 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,229 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:26,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:26,234 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2018-11-22 22:39:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:26,264 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:26,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:26,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:39:26,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:39:26,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:39:26,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:39:26,267 INFO L87 Difference]: Start difference. First operand 127 states and 134 transitions. Second operand 10 states. [2018-11-22 22:39:27,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:27,010 INFO L93 Difference]: Finished difference Result 130 states and 135 transitions. [2018-11-22 22:39:27,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:39:27,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-11-22 22:39:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:27,011 INFO L225 Difference]: With dead ends: 130 [2018-11-22 22:39:27,011 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 22:39:27,012 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2018-11-22 22:39:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 22:39:27,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2018-11-22 22:39:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-22 22:39:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 133 transitions. [2018-11-22 22:39:27,015 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 133 transitions. Word has length 18 [2018-11-22 22:39:27,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:27,015 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 133 transitions. [2018-11-22 22:39:27,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:39:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2018-11-22 22:39:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 22:39:27,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:27,015 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:27,016 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:27,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:27,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1609544523, now seen corresponding path program 1 times [2018-11-22 22:39:27,016 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:27,016 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:27,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:27,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:27,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:27,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,094 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:27,116 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:27,117 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:27,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:39:27,118 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-22 22:39:27,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:13 [2018-11-22 22:39:27,145 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:27,147 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:27,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,164 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:27,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:27,166 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,176 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:27 [2018-11-22 22:39:27,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-22 22:39:27,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:27,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-11-22 22:39:27,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:27,271 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,285 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:27,301 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-11-22 22:39:27,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-22 22:39:27,339 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:27,340 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:39:27,350 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2018-11-22 22:39:27,375 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-22 22:39:27,375 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,384 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:27,384 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,388 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:27,393 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:67, output treesize:11 [2018-11-22 22:39:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:27,419 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:27,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:27,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:39:27,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 22:39:27,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 22:39:27,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-22 22:39:27,422 INFO L87 Difference]: Start difference. First operand 126 states and 133 transitions. Second operand 10 states. [2018-11-22 22:39:28,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:28,502 INFO L93 Difference]: Finished difference Result 125 states and 130 transitions. [2018-11-22 22:39:28,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 22:39:28,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-11-22 22:39:28,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:28,503 INFO L225 Difference]: With dead ends: 125 [2018-11-22 22:39:28,503 INFO L226 Difference]: Without dead ends: 125 [2018-11-22 22:39:28,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:39:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-22 22:39:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 105. [2018-11-22 22:39:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-22 22:39:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2018-11-22 22:39:28,506 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 18 [2018-11-22 22:39:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:28,506 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2018-11-22 22:39:28,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 22:39:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2018-11-22 22:39:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:39:28,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:28,507 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:28,507 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:28,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1115862591, now seen corresponding path program 1 times [2018-11-22 22:39:28,508 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:28,508 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:28,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:28,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:28,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:28,597 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,603 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:28,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:28,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,629 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:28,630 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:28,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:39:28,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,636 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:13 [2018-11-22 22:39:28,652 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:28,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:28,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,660 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,673 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:28,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:28,676 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,678 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,686 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,687 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:27 [2018-11-22 22:39:28,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2018-11-22 22:39:28,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:28,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,765 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-22 22:39:28,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:28,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,808 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:28,823 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-11-22 22:39:28,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-22 22:39:28,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:39:28,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:28,874 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2018-11-22 22:39:28,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:28,899 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-22 22:39:28,908 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,913 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:28,919 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:67, output treesize:11 [2018-11-22 22:39:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:28,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:28,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:28,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:39:28,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:39:28,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:39:28,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:39:28,935 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand 9 states. [2018-11-22 22:39:30,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:30,805 INFO L93 Difference]: Finished difference Result 106 states and 110 transitions. [2018-11-22 22:39:30,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:39:30,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-11-22 22:39:30,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:30,807 INFO L225 Difference]: With dead ends: 106 [2018-11-22 22:39:30,807 INFO L226 Difference]: Without dead ends: 106 [2018-11-22 22:39:30,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-22 22:39:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-22 22:39:30,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2018-11-22 22:39:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-22 22:39:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-11-22 22:39:30,809 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 19 [2018-11-22 22:39:30,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:30,810 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-11-22 22:39:30,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:39:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-11-22 22:39:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:39:30,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:30,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:30,811 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:30,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:30,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1115862592, now seen corresponding path program 1 times [2018-11-22 22:39:30,811 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:30,811 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:30,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:30,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:30,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:30,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:39:30,916 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:30,918 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:30,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:39:30,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,927 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:16 [2018-11-22 22:39:30,960 INFO L478 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 11 treesize of output 8 [2018-11-22 22:39:30,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:30,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:30,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:26 [2018-11-22 22:39:31,009 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-22 22:39:31,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:31,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:31,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:31,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:31,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-11-22 22:39:31,061 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-11-22 22:39:31,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:39:31,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:31,071 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:39:31,071 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:31,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:31,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:31,079 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2018-11-22 22:39:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:31,100 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:31,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:31,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:39:31,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:39:31,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:39:31,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:39:31,102 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 9 states. [2018-11-22 22:39:31,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:31,947 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2018-11-22 22:39:31,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 22:39:31,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-11-22 22:39:31,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:31,948 INFO L225 Difference]: With dead ends: 105 [2018-11-22 22:39:31,948 INFO L226 Difference]: Without dead ends: 105 [2018-11-22 22:39:31,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2018-11-22 22:39:31,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-22 22:39:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-11-22 22:39:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-22 22:39:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2018-11-22 22:39:31,950 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 19 [2018-11-22 22:39:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:31,950 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2018-11-22 22:39:31,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:39:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2018-11-22 22:39:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 22:39:31,951 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:31,951 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:31,951 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:31,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:31,951 INFO L82 PathProgramCache]: Analyzing trace with hash 66890348, now seen corresponding path program 1 times [2018-11-22 22:39:31,952 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:31,952 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:31,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:32,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:32,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:32,074 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,077 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:32,100 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:32,101 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:32,102 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:39:32,102 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,112 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:25 [2018-11-22 22:39:32,129 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:32,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:32,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-22 22:39:32,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45 [2018-11-22 22:39:32,196 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:32,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:32,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-11-22 22:39:32,303 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2018-11-22 22:39:32,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:39:32,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:32,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:32,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:32,404 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:72 [2018-11-22 22:39:32,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:39:32,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:39:32,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:32,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:32,474 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2018-11-22 22:39:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:32,507 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:32,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:32,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-22 22:39:32,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 22:39:32,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 22:39:32,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:39:32,510 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand 13 states. [2018-11-22 22:39:33,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:33,898 INFO L93 Difference]: Finished difference Result 178 states and 186 transitions. [2018-11-22 22:39:33,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 22:39:33,899 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-11-22 22:39:33,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:33,899 INFO L225 Difference]: With dead ends: 178 [2018-11-22 22:39:33,900 INFO L226 Difference]: Without dead ends: 178 [2018-11-22 22:39:33,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2018-11-22 22:39:33,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-11-22 22:39:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 123. [2018-11-22 22:39:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-22 22:39:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-11-22 22:39:33,903 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 30 [2018-11-22 22:39:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:33,909 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-11-22 22:39:33,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 22:39:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-11-22 22:39:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 22:39:33,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:33,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:33,915 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:33,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:33,916 INFO L82 PathProgramCache]: Analyzing trace with hash 66890349, now seen corresponding path program 1 times [2018-11-22 22:39:33,917 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:33,917 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:33,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:34,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:34,030 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:34,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,034 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:34,051 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:34,052 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:34,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:39:34,052 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,065 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-22 22:39:34,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,075 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:22 [2018-11-22 22:39:34,095 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:34,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:34,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,118 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:34,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:39:34,120 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,123 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,135 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-11-22 22:39:34,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-11-22 22:39:34,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:34,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,240 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-22 22:39:34,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:34,243 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,251 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:34,272 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2018-11-22 22:39:34,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2018-11-22 22:39:34,438 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:39:34,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:34,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:34,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 71 [2018-11-22 22:39:34,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:39:34,659 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:34,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:34,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 65 [2018-11-22 22:39:34,693 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:34,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 32 treesize of output 31 [2018-11-22 22:39:34,697 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,734 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:34,777 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:118, output treesize:87 [2018-11-22 22:39:34,831 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:39:34,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:39:34,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:39:34,844 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:39:34,844 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,848 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:34,853 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:39, output treesize:9 [2018-11-22 22:39:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:34,889 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:39:34,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:39:34,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-22 22:39:34,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 22:39:34,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 22:39:34,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:39:34,892 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand 13 states. [2018-11-22 22:39:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:39:36,250 INFO L93 Difference]: Finished difference Result 205 states and 212 transitions. [2018-11-22 22:39:36,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 22:39:36,251 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-11-22 22:39:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:39:36,252 INFO L225 Difference]: With dead ends: 205 [2018-11-22 22:39:36,252 INFO L226 Difference]: Without dead ends: 205 [2018-11-22 22:39:36,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2018-11-22 22:39:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-11-22 22:39:36,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 123. [2018-11-22 22:39:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-22 22:39:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2018-11-22 22:39:36,255 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 30 [2018-11-22 22:39:36,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:39:36,255 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2018-11-22 22:39:36,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 22:39:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2018-11-22 22:39:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 22:39:36,256 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:39:36,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:39:36,257 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:39:36,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:39:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1102311276, now seen corresponding path program 1 times [2018-11-22 22:39:36,257 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:39:36,257 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:39:36,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:39:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:39:36,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:39:36,378 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:39:36,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,381 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:39:36,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:36,398 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:39:36,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:39:36,399 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,409 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:25 [2018-11-22 22:39:36,425 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:39:36,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:39:36,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,441 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-22 22:39:36,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45 [2018-11-22 22:39:36,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:39:36,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:36,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-11-22 22:39:36,593 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2018-11-22 22:39:36,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:39:36,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:36,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:39:36,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:36,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:72 [2018-11-22 22:39:36,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:39:36,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-22 22:39:36,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,752 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:36,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:36,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2018-11-22 22:39:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:39:36,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:39:36,843 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:36,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:36,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:36,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-11-22 22:39:42,365 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-22 22:39:54,819 WARN L180 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-22 22:39:54,833 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 79 [2018-11-22 22:39:54,953 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2018-11-22 22:39:54,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:39:54,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 60 [2018-11-22 22:39:55,263 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-11-22 22:39:55,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 40 treesize of output 41 [2018-11-22 22:39:55,271 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 41 treesize of output 40 [2018-11-22 22:39:55,278 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 38 treesize of output 39 [2018-11-22 22:39:55,286 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-22 22:39:55,293 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-11-22 22:39:55,567 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-11-22 22:39:55,571 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-22 22:39:55,575 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:55,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2018-11-22 22:39:55,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-11-22 22:39:55,884 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,001 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-11-22 22:39:56,002 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:56,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-11-22 22:39:56,120 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,122 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-11-22 22:39:56,123 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-11-22 22:39:56,242 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:56,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-22 22:39:56,368 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-22 22:39:56,370 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,543 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:56,549 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:39:56,568 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-22 22:39:56,568 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:39:56,717 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-11-22 22:39:56,718 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 20 [2018-11-22 22:39:56,848 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:56,968 INFO L267 ElimStorePlain]: Start of recursive call 12: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-22 22:39:56,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-22 22:39:56,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:39:56,977 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:56,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:39:56,996 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,006 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 41 [2018-11-22 22:39:57,030 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-11-22 22:39:57,030 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:39:57,071 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:39:57,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-11-22 22:39:57,108 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:39:57,144 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-11-22 22:39:57,175 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:39:57,199 INFO L267 ElimStorePlain]: Start of recursive call 26: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:39:57,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 43 [2018-11-22 22:39:57,613 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-11-22 22:39:57,614 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,660 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 28 [2018-11-22 22:39:57,661 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-22 22:39:57,678 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:39:57,733 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 52 [2018-11-22 22:40:00,011 WARN L180 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 115 [2018-11-22 22:40:00,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 41 [2018-11-22 22:40:00,052 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:16,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 39 [2018-11-22 22:40:16,738 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-22 22:40:17,300 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:17,306 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:17,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 39 [2018-11-22 22:40:17,326 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:17,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-22 22:40:17,709 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:18,060 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-11-22 22:40:18,061 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:18,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 22 [2018-11-22 22:40:18,417 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:18,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2018-11-22 22:40:18,804 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:19,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 20 [2018-11-22 22:40:19,139 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:19,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 24 [2018-11-22 22:40:19,143 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:19,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-22 22:40:19,516 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:19,528 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-11-22 22:40:19,529 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:19,964 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 44 [2018-11-22 22:40:19,965 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:20,306 INFO L267 ElimStorePlain]: Start of recursive call 35: 10 dim-1 vars, End of recursive call: 12 dim-0 vars, and 17 xjuncts. [2018-11-22 22:40:20,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 47 [2018-11-22 22:40:20,349 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-22 22:40:20,350 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:20,447 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2018-11-22 22:40:20,447 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:20,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-22 22:40:20,532 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:20,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:40:20,618 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:20,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2018-11-22 22:40:20,738 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:20,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2018-11-22 22:40:20,851 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:20,960 INFO L267 ElimStorePlain]: Start of recursive call 48: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-11-22 22:40:21,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2018-11-22 22:40:21,844 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2018-11-22 22:40:21,844 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:21,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2018-11-22 22:40:21,928 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:21,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 20 [2018-11-22 22:40:21,968 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:22,006 INFO L267 ElimStorePlain]: Start of recursive call 55: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:22,011 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2018-11-22 22:40:22,016 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:40:22,016 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:22,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-11-22 22:40:22,025 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:22,031 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:22,771 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:23,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:24,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 28 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:24,278 INFO L202 ElimStorePlain]: Needed 61 recursive calls to eliminate 4 variables, input treesize:133, output treesize:466 [2018-11-22 22:40:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:40:25,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:40:25,668 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:40:25,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:40:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:40:25,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:40:25,727 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:40:25,727 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:25,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:25,728 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-22 22:40:29,556 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:40:29,558 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:40:29,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-22 22:40:29,559 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,568 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:22 [2018-11-22 22:40:29,601 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:40:29,603 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:40:29,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,618 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2018-11-22 22:40:29,738 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 45 [2018-11-22 22:40:29,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:40:29,741 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,753 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:29,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:29,770 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-11-22 22:40:29,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2018-11-22 22:40:29,963 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 21 [2018-11-22 22:40:29,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:29,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:40:30,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:30,010 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:70, output treesize:66 [2018-11-22 22:40:30,241 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-22 22:40:30,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-22 22:40:30,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:30,251 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:18 [2018-11-22 22:40:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:40:30,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:40:30,269 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:30,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:30,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:30,277 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:21 [2018-11-22 22:40:30,351 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 79 [2018-11-22 22:40:30,483 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2018-11-22 22:40:30,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:40:30,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 62 [2018-11-22 22:40:30,789 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-11-22 22:40:30,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 36 treesize of output 37 [2018-11-22 22:40:30,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-22 22:40:30,807 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 39 treesize of output 38 [2018-11-22 22:40:30,814 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:30,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 36 treesize of output 37 [2018-11-22 22:40:30,821 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,093 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-22 22:40:31,093 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,096 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-22 22:40:31,097 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-11-22 22:40:31,099 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 41 [2018-11-22 22:40:31,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-11-22 22:40:31,352 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2018-11-22 22:40:31,404 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:31,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-11-22 22:40:31,464 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:40:31,466 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-22 22:40:31,511 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:31,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-22 22:40:31,551 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,575 INFO L267 ElimStorePlain]: Start of recursive call 12: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:31,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2018-11-22 22:40:31,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 36 treesize of output 34 [2018-11-22 22:40:31,612 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:31,718 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-11-22 22:40:31,718 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-22 22:40:31,818 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:31,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 22:40:31,926 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:32,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-22 22:40:32,046 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:32,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-22 22:40:32,048 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:32,170 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:32,175 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:32,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-22 22:40:32,194 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:32,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-11-22 22:40:32,330 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:32,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-22 22:40:32,462 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:32,613 INFO L267 ElimStorePlain]: Start of recursive call 19: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:32,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-11-22 22:40:32,621 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:40:32,622 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:32,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:40:32,641 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:32,651 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:33,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 22:40:33,080 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-22 22:40:33,080 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:33,127 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 26 [2018-11-22 22:40:33,127 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:33,145 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:33,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 54 [2018-11-22 22:40:33,442 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-11-22 22:40:33,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-22 22:40:33,446 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:33,712 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 22 treesize of output 20 [2018-11-22 22:40:33,712 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:34,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2018-11-22 22:40:34,003 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:34,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 42 [2018-11-22 22:40:34,441 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:34,933 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 42 [2018-11-22 22:40:34,934 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:35,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 31 [2018-11-22 22:40:35,329 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:35,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2018-11-22 22:40:35,742 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:36,176 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:36,181 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:40:36,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-22 22:40:36,200 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:36,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-22 22:40:36,657 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:36,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2018-11-22 22:40:36,671 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:37,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-22 22:40:37,055 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:37,360 INFO L267 ElimStorePlain]: Start of recursive call 35: 10 dim-1 vars, End of recursive call: 12 dim-0 vars, and 17 xjuncts. [2018-11-22 22:40:37,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2018-11-22 22:40:37,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2018-11-22 22:40:37,417 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:37,520 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 24 [2018-11-22 22:40:37,520 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-11-22 22:40:37,604 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-22 22:40:37,605 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:37,690 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-11-22 22:40:37,690 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:37,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2018-11-22 22:40:37,781 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:37,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2018-11-22 22:40:37,900 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:38,006 INFO L267 ElimStorePlain]: Start of recursive call 47: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-11-22 22:40:38,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-22 22:40:38,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-11-22 22:40:38,840 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:38,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-22 22:40:38,873 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:38,882 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:38,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-11-22 22:40:38,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-11-22 22:40:38,907 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:38,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 18 [2018-11-22 22:40:38,963 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:39,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 33 [2018-11-22 22:40:39,032 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:40:39,068 INFO L267 ElimStorePlain]: Start of recursive call 57: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-22 22:40:39,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:40,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:41,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 28 dim-0 vars, and 33 xjuncts. [2018-11-22 22:40:41,364 INFO L202 ElimStorePlain]: Needed 60 recursive calls to eliminate 4 variables, input treesize:133, output treesize:442 [2018-11-22 22:40:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:40:41,511 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-22 22:40:41,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12, 12] total 32 [2018-11-22 22:40:41,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-22 22:40:41,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-22 22:40:41,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=826, Unknown=7, NotChecked=0, Total=1056 [2018-11-22 22:40:41,512 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand 33 states. [2018-11-22 22:40:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:40:47,105 INFO L93 Difference]: Finished difference Result 192 states and 201 transitions. [2018-11-22 22:40:47,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-22 22:40:47,105 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 30 [2018-11-22 22:40:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:40:47,106 INFO L225 Difference]: With dead ends: 192 [2018-11-22 22:40:47,106 INFO L226 Difference]: Without dead ends: 192 [2018-11-22 22:40:47,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=512, Invalid=1461, Unknown=7, NotChecked=0, Total=1980 [2018-11-22 22:40:47,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-11-22 22:40:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 129. [2018-11-22 22:40:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-22 22:40:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 138 transitions. [2018-11-22 22:40:47,109 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 138 transitions. Word has length 30 [2018-11-22 22:40:47,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:40:47,109 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 138 transitions. [2018-11-22 22:40:47,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-22 22:40:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2018-11-22 22:40:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 22:40:47,110 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:40:47,110 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:40:47,110 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:40:47,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:40:47,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1102311277, now seen corresponding path program 1 times [2018-11-22 22:40:47,113 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:40:47,113 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:40:47,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:40:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:40:47,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:40:47,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:40:47,221 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,224 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:40:47,239 INFO L478 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-22 22:40:47,240 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-11-22 22:40:47,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,251 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-22 22:40:47,265 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:40:47,266 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:40:47,266 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:40:47,267 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,276 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:23 [2018-11-22 22:40:47,301 INFO L478 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 0 case distinctions, treesize of input 25 treesize of output 20 [2018-11-22 22:40:47,305 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:40:47,307 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-22 22:40:47,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,332 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:40:47,333 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:40:47,334 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,336 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,348 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-11-22 22:40:47,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-11-22 22:40:47,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:40:47,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-11-22 22:40:47,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-11-22 22:40:47,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,473 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:47,491 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:79, output treesize:40 [2018-11-22 22:40:47,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-11-22 22:40:47,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-22 22:40:47,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:40:47,545 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,552 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:43, output treesize:19 [2018-11-22 22:40:47,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-11-22 22:40:47,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-11-22 22:40:47,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,586 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:40:47,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-11-22 22:40:47,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-11-22 22:40:47,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:40:47,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-22 22:40:47,683 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:40:47,689 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:30, output treesize:3 [2018-11-22 22:40:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:40:47,710 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:40:47,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:40:47,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-22 22:40:47,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 22:40:47,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 22:40:47,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:40:47,713 INFO L87 Difference]: Start difference. First operand 129 states and 138 transitions. Second operand 13 states. [2018-11-22 22:41:03,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:41:03,307 INFO L93 Difference]: Finished difference Result 178 states and 183 transitions. [2018-11-22 22:41:03,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-22 22:41:03,308 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-11-22 22:41:03,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:41:03,308 INFO L225 Difference]: With dead ends: 178 [2018-11-22 22:41:03,308 INFO L226 Difference]: Without dead ends: 176 [2018-11-22 22:41:03,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2018-11-22 22:41:03,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-11-22 22:41:03,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 123. [2018-11-22 22:41:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-22 22:41:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 130 transitions. [2018-11-22 22:41:03,311 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 130 transitions. Word has length 30 [2018-11-22 22:41:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:41:03,312 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 130 transitions. [2018-11-22 22:41:03,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 22:41:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2018-11-22 22:41:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 22:41:03,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:41:03,312 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:41:03,313 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:41:03,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:41:03,313 INFO L82 PathProgramCache]: Analyzing trace with hash -748504181, now seen corresponding path program 1 times [2018-11-22 22:41:03,313 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:41:03,313 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:41:03,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:41:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:41:03,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:41:03,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:41:03,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,467 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:41:03,487 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:03,488 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:03,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:41:03,489 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2018-11-22 22:41:03,516 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:41:03,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:41:03,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,541 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:41:03,543 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-11-22 22:41:03,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,546 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,563 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-11-22 22:41:03,619 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-11-22 22:41:03,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:41:03,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-22 22:41:03,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:41:03,675 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,684 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:03,705 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-11-22 22:41:03,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-11-22 22:41:03,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-11-22 22:41:03,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-22 22:41:03,760 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:03,776 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:24 [2018-11-22 22:41:03,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-22 22:41:03,875 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 17 [2018-11-22 22:41:03,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:03,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:03,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-22 22:41:03,913 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:43, output treesize:36 [2018-11-22 22:41:03,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:41:03,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:41:03,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:03,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-22 22:41:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:41:03,993 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:41:03,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:41:03,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-22 22:41:03,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-22 22:41:03,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-22 22:41:03,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:41:03,996 INFO L87 Difference]: Start difference. First operand 123 states and 130 transitions. Second operand 12 states. [2018-11-22 22:41:07,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:41:07,176 INFO L93 Difference]: Finished difference Result 175 states and 180 transitions. [2018-11-22 22:41:07,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-22 22:41:07,177 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-11-22 22:41:07,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:41:07,178 INFO L225 Difference]: With dead ends: 175 [2018-11-22 22:41:07,178 INFO L226 Difference]: Without dead ends: 175 [2018-11-22 22:41:07,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2018-11-22 22:41:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-22 22:41:07,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2018-11-22 22:41:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-22 22:41:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2018-11-22 22:41:07,180 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 40 [2018-11-22 22:41:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:41:07,181 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2018-11-22 22:41:07,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-22 22:41:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2018-11-22 22:41:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 22:41:07,181 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:41:07,181 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:41:07,182 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:41:07,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:41:07,182 INFO L82 PathProgramCache]: Analyzing trace with hash -703777079, now seen corresponding path program 1 times [2018-11-22 22:41:07,182 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:41:07,182 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:41:07,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:41:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:41:07,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:41:07,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-22 22:41:07,313 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-22 22:41:07,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:07,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:07,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:07,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-22 22:41:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:41:07,326 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:41:07,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:41:07,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 22:41:07,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 22:41:07,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 22:41:07,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 22:41:07,328 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand 8 states. [2018-11-22 22:41:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:41:07,898 INFO L93 Difference]: Finished difference Result 168 states and 171 transitions. [2018-11-22 22:41:07,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:41:07,898 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-11-22 22:41:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:41:07,898 INFO L225 Difference]: With dead ends: 168 [2018-11-22 22:41:07,898 INFO L226 Difference]: Without dead ends: 168 [2018-11-22 22:41:07,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:41:07,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-11-22 22:41:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 140. [2018-11-22 22:41:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-22 22:41:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2018-11-22 22:41:07,901 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 40 [2018-11-22 22:41:07,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:41:07,901 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2018-11-22 22:41:07,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 22:41:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2018-11-22 22:41:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 22:41:07,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:41:07,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:41:07,902 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr1REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_FREE, mainErr26REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr44ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr53ASSERT_VIOLATIONMEMORY_FREE, mainErr54ENSURES_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-22 22:41:07,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:41:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash 41646934, now seen corresponding path program 1 times [2018-11-22 22:41:07,902 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-22 22:41:07,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf130575-00f5-43f6-adeb-447675ee6037/bin-2019/utaipan/cvc4nyu Starting monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:41:07,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:41:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:41:08,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:41:08,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-11-22 22:41:08,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,061 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-22 22:41:08,095 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,096 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-22 22:41:08,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,106 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:14 [2018-11-22 22:41:08,120 INFO L478 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-22 22:41:08,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:41:08,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,133 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-11-22 22:41:08,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-22 22:41:08,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-11-22 22:41:08,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:08,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-22 22:41:08,307 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-22 22:41:08,434 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 17 [2018-11-22 22:41:08,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:08,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:08,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-22 22:41:08,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:62 [2018-11-22 22:41:08,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-22 22:41:08,543 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 [2018-11-22 22:41:08,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,556 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:27 [2018-11-22 22:41:08,582 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,583 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,583 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:08,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-11-22 22:41:08,584 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,594 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:23 [2018-11-22 22:41:08,630 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-22 22:41:08,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-22 22:41:08,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,653 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-11-22 22:41:08,757 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2018-11-22 22:41:08,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-22 22:41:08,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:08,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:08,801 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-11-22 22:41:08,927 INFO L478 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 0 case distinctions, treesize of input 112 treesize of output 85 [2018-11-22 22:41:09,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 29 [2018-11-22 22:41:09,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:09,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:09,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-22 22:41:09,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:115, output treesize:124 [2018-11-22 22:41:09,297 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2018-11-22 22:41:09,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-11-22 22:41:09,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:09,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-11-22 22:41:09,310 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:09,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:09,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:09,316 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:53, output treesize:5 [2018-11-22 22:41:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:41:09,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 22:41:09,473 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:09,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:09,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:09,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:21 [2018-11-22 22:41:09,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-11-22 22:41:09,932 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:09,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:09,936 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-11-22 22:41:24,710 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:24,719 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:24,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:24,741 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:66, output treesize:56 [2018-11-22 22:41:24,971 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-11-22 22:41:24,972 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:24,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:25,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:25,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:76, output treesize:53 [2018-11-22 22:41:29,662 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:29,662 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:29,663 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:29,664 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2018-11-22 22:41:29,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:29,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2018-11-22 22:41:29,701 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:265, output treesize:251 [2018-11-22 22:41:31,712 WARN L832 $PredicateComparison]: unable to prove that (forall ((v_subst_5 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (|main_#t~mem3.offset| (_ BitVec 32)) (|main_#t~mem7.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (|v_main_#t~malloc5.base_5| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (let ((.cse1 (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_main_~x~0.base) c_main_~x~0.offset))) (store |c_#memory_$Pointer$.base| .cse4 (store (select |c_#memory_$Pointer$.base| .cse4) (bvadd |main_#t~mem3.offset| (_ bv4 32)) c_main_~x~0.base))))) (let ((.cse0 (select (select .cse1 c_main_~x~0.base) c_main_~x~0.offset))) (or (= .cse0 (select (select (let ((.cse2 (select .cse1 .cse0)) (.cse3 (bvadd v_subst_5 (_ bv8 32)))) (store (store .cse1 .cse0 (store (store .cse2 .cse3 v_DerPreprocessor_8) v_subst_5 |v_main_#t~malloc5.base_5|)) |v_main_#t~malloc5.base_5| (store (select (store .cse1 .cse0 (store .cse2 .cse3 v_DerPreprocessor_10)) |v_main_#t~malloc5.base_5|) (bvadd |main_#t~mem7.offset| (_ bv8 32)) v_DerPreprocessor_6))) c_main_~head~0.base) c_main_~head~0.offset)) (= |v_main_#t~malloc5.base_5| c_main_~x~0.base) (= .cse0 |v_main_#t~malloc5.base_5|))))) is different from false [2018-11-22 22:41:31,736 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 177 [2018-11-22 22:41:32,076 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2018-11-22 22:41:32,082 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 8 [2018-11-22 22:41:32,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:32,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 92 [2018-11-22 22:41:32,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 66 [2018-11-22 22:41:32,198 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:32,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 89 [2018-11-22 22:41:32,500 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:32,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2018-11-22 22:41:32,953 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-22 22:41:33,063 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-11-22 22:41:33,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 92 [2018-11-22 22:41:33,323 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:33,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 82 [2018-11-22 22:41:33,565 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:34,046 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:34,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 67 [2018-11-22 22:41:34,173 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:34,566 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:34,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 48 [2018-11-22 22:41:34,571 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:34,956 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 63 [2018-11-22 22:41:35,013 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:35,348 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-22 22:41:35,740 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 53 treesize of output 49 [2018-11-22 22:41:35,745 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:35,749 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:35,772 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:35,776 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 69 treesize of output 61 [2018-11-22 22:41:35,781 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,782 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,782 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,794 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 39 [2018-11-22 22:41:35,825 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:35,911 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:35,916 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 57 treesize of output 51 [2018-11-22 22:41:35,922 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,923 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,930 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:35,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2018-11-22 22:41:35,945 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:36,005 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:36,009 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 65 treesize of output 59 [2018-11-22 22:41:36,014 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,014 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,019 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,034 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2018-11-22 22:41:36,035 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:36,098 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:36,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2018-11-22 22:41:36,129 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,129 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,134 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 66 [2018-11-22 22:41:36,159 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:36,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 50 treesize of output 48 [2018-11-22 22:41:36,341 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:36,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 53 treesize of output 51 [2018-11-22 22:41:36,350 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:36,508 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,512 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,521 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:36,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 84 [2018-11-22 22:41:36,580 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2018-11-22 22:41:37,143 INFO L267 ElimStorePlain]: Start of recursive call 21: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:41:37,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2018-11-22 22:41:37,172 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,173 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,178 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 64 [2018-11-22 22:41:37,197 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:37,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 51 treesize of output 49 [2018-11-22 22:41:37,347 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:37,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 50 treesize of output 48 [2018-11-22 22:41:37,352 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:37,484 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,488 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,497 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,560 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 80 [2018-11-22 22:41:37,561 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 6 xjuncts. [2018-11-22 22:41:37,749 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:37,772 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 58 [2018-11-22 22:41:37,778 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-11-22 22:41:37,783 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:37,880 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:37,915 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 57 [2018-11-22 22:41:37,916 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:38,181 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-22 22:41:38,181 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:38,268 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:41:38,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 56 [2018-11-22 22:41:38,296 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 51 treesize of output 49 [2018-11-22 22:41:38,296 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:38,391 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:38,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 55 [2018-11-22 22:41:38,423 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:38,685 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:38,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-11-22 22:41:38,689 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:38,780 INFO L267 ElimStorePlain]: Start of recursive call 35: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:41:38,802 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 52 [2018-11-22 22:41:38,810 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:38,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-11-22 22:41:38,817 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:38,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 31 [2018-11-22 22:41:38,900 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:38,968 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2018-11-22 22:41:39,003 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:39,086 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:41:39,091 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 65 treesize of output 59 [2018-11-22 22:41:39,096 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,096 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,101 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2018-11-22 22:41:39,116 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:39,185 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:39,190 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 59 treesize of output 53 [2018-11-22 22:41:39,196 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,198 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,203 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,218 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2018-11-22 22:41:39,218 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:39,285 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:39,290 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 51 treesize of output 47 [2018-11-22 22:41:39,294 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:39,299 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,323 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 55 treesize of output 51 [2018-11-22 22:41:39,333 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,337 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:39,337 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,365 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,390 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 22:41:39,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,401 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,421 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2018-11-22 22:41:39,421 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:39,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 47 treesize of output 45 [2018-11-22 22:41:39,582 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 44 treesize of output 42 [2018-11-22 22:41:39,587 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:39,701 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,705 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,714 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 78 [2018-11-22 22:41:39,766 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 7 xjuncts. [2018-11-22 22:41:39,960 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:41:39,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 60 [2018-11-22 22:41:39,988 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,991 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:39,999 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 72 [2018-11-22 22:41:40,065 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 6 xjuncts. [2018-11-22 22:41:40,224 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,224 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,229 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 56 [2018-11-22 22:41:40,259 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:40,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 42 treesize of output 40 [2018-11-22 22:41:40,405 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:40,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 43 treesize of output 41 [2018-11-22 22:41:40,411 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:40,547 INFO L267 ElimStorePlain]: Start of recursive call 56: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:40,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 70 [2018-11-22 22:41:40,578 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 65 treesize of output 63 [2018-11-22 22:41:40,579 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:40,680 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,680 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,681 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,693 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,733 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 70 [2018-11-22 22:41:40,734 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:40,869 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,869 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,874 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,891 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:40,961 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 96 [2018-11-22 22:41:40,962 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 7 xjuncts. [2018-11-22 22:41:41,185 INFO L267 ElimStorePlain]: Start of recursive call 61: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:41,190 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 47 treesize of output 43 [2018-11-22 22:41:41,195 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:41,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:41,199 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:41,223 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:41,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 60 [2018-11-22 22:41:41,253 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:41,288 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 59 [2018-11-22 22:41:41,289 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:41,419 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:41,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-11-22 22:41:41,423 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:41,510 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 39 [2018-11-22 22:41:41,511 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:41,585 INFO L267 ElimStorePlain]: Start of recursive call 67: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 22:41:43,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 40 [2018-11-22 22:41:43,071 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:43,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:43,086 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,123 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-22 22:41:43,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:43,144 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,165 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,168 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-11-22 22:41:43,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:43,182 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,207 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,214 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2018-11-22 22:41:43,282 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:43,282 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:43,335 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,370 INFO L267 ElimStorePlain]: Start of recursive call 77: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:43,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-11-22 22:41:43,431 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:43,434 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:43,435 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,471 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:43,472 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,492 INFO L267 ElimStorePlain]: Start of recursive call 80: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,495 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 33 treesize of output 31 [2018-11-22 22:41:43,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:43,499 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,516 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,519 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 40 [2018-11-22 22:41:43,529 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:43,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:43,541 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,582 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,586 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-11-22 22:41:43,595 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:43,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:43,607 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,650 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-11-22 22:41:43,723 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:43,723 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:43,776 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,809 INFO L267 ElimStorePlain]: Start of recursive call 89: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:43,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-11-22 22:41:43,868 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:43,868 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:43,906 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:43,928 INFO L267 ElimStorePlain]: Start of recursive call 92: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:43,937 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2018-11-22 22:41:44,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:44,025 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:44,089 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,132 INFO L267 ElimStorePlain]: Start of recursive call 95: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:44,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-22 22:41:44,170 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:44,170 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,205 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,209 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-11-22 22:41:44,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:44,225 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,252 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,256 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 41 treesize of output 37 [2018-11-22 22:41:44,260 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:44,263 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-22 22:41:44,263 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,285 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,292 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2018-11-22 22:41:44,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:44,345 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,393 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:44,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:44,406 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,454 INFO L267 ElimStorePlain]: Start of recursive call 104: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:44,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-11-22 22:41:44,524 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:44,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:44,541 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:44,602 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,636 INFO L267 ElimStorePlain]: Start of recursive call 107: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:44,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-11-22 22:41:44,646 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:44,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:44,661 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,696 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:41:44,704 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:44,704 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,718 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 47 [2018-11-22 22:41:44,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:44,818 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:44,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:44,890 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:44,938 INFO L267 ElimStorePlain]: Start of recursive call 114: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:44,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-22 22:41:44,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:44,976 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,003 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2018-11-22 22:41:45,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:45,081 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:45,081 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:45,141 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,171 INFO L267 ElimStorePlain]: Start of recursive call 119: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:45,178 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-11-22 22:41:45,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:45,250 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:45,298 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,329 INFO L267 ElimStorePlain]: Start of recursive call 122: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:45,332 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 45 treesize of output 39 [2018-11-22 22:41:45,366 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:45,367 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,402 INFO L267 ElimStorePlain]: Start of recursive call 125: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-11-22 22:41:45,461 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:45,461 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:45,499 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,522 INFO L267 ElimStorePlain]: Start of recursive call 127: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-11-22 22:41:45,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:45,576 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,611 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:45,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:45,614 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,634 INFO L267 ElimStorePlain]: Start of recursive call 130: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2018-11-22 22:41:45,686 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:45,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:45,690 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,724 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:45,724 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,741 INFO L267 ElimStorePlain]: Start of recursive call 133: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-22 22:41:45,748 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:45,751 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:45,751 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,768 INFO L267 ElimStorePlain]: Start of recursive call 136: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-22 22:41:45,775 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:45,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:45,778 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,793 INFO L267 ElimStorePlain]: Start of recursive call 138: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:45,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 40 treesize of output 36 [2018-11-22 22:41:45,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:45,814 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,844 INFO L267 ElimStorePlain]: Start of recursive call 140: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-11-22 22:41:45,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:45,928 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:45,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:45,984 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,022 INFO L267 ElimStorePlain]: Start of recursive call 142: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:46,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-22 22:41:46,076 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:46,076 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:46,111 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,132 INFO L267 ElimStorePlain]: Start of recursive call 145: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 37 treesize of output 33 [2018-11-22 22:41:46,139 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:46,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-22 22:41:46,143 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,160 INFO L267 ElimStorePlain]: Start of recursive call 148: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-22 22:41:46,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:46,180 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,209 INFO L267 ElimStorePlain]: Start of recursive call 150: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,212 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 38 treesize of output 34 [2018-11-22 22:41:46,226 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:46,226 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,252 INFO L267 ElimStorePlain]: Start of recursive call 152: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2018-11-22 22:41:46,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-22 22:41:46,317 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,365 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:46,365 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,396 INFO L267 ElimStorePlain]: Start of recursive call 154: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:46,408 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-11-22 22:41:46,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 23 [2018-11-22 22:41:46,515 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:46,569 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,604 INFO L267 ElimStorePlain]: Start of recursive call 157: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:46,611 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2018-11-22 22:41:46,666 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:46,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-22 22:41:46,670 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:46,713 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,733 INFO L267 ElimStorePlain]: Start of recursive call 160: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 39 [2018-11-22 22:41:46,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-22 22:41:46,809 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:46,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-11-22 22:41:46,855 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:46,884 INFO L267 ElimStorePlain]: Start of recursive call 163: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:46,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-11-22 22:41:46,979 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:46,991 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2018-11-22 22:41:46,992 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:47,062 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 22:41:47,063 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:47,096 INFO L267 ElimStorePlain]: Start of recursive call 166: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-22 22:41:47,102 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-22 22:41:47,106 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-22 22:41:47,106 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:47,122 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 22:41:47,650 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 13 xjuncts. [2018-11-22 22:41:48,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 95 [2018-11-22 22:41:49,615 WARN L180 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-11-22 22:41:49,675 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:49,735 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-11-22 22:41:49,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 67 treesize of output 115 [2018-11-22 22:41:49,913 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:49,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 22:41:49,918 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:50,246 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:50,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 83 [2018-11-22 22:41:50,318 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:50,700 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:51,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 102 [2018-11-22 22:41:51,180 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:51,820 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:52,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 87 [2018-11-22 22:41:52,164 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:52,740 INFO L267 ElimStorePlain]: Start of recursive call 172: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-22 22:41:52,791 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:53,170 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 109 [2018-11-22 22:41:53,176 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:53,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 65 [2018-11-22 22:41:53,180 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:53,500 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:53,784 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 96 [2018-11-22 22:41:53,784 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:54,263 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:54,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 77 [2018-11-22 22:41:54,323 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:54,809 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:55,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 81 [2018-11-22 22:41:55,033 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:55,486 INFO L267 ElimStorePlain]: Start of recursive call 177: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-22 22:41:55,549 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 22:41:55,620 INFO L303 Elim1Store]: Index analysis took 133 ms [2018-11-22 22:41:56,020 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 72 treesize of output 118 [2018-11-22 22:41:56,039 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:56,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 93 [2018-11-22 22:41:56,275 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:56,771 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:56,847 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 86 [2018-11-22 22:41:56,848 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 2 xjuncts. [2018-11-22 22:41:57,373 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:57,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 105 [2018-11-22 22:41:57,582 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 4 xjuncts. [2018-11-22 22:41:58,133 INFO L683 Elim1Store]: detected equality via solver [2018-11-22 22:41:58,138 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 22:41:58,139 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-11-22 22:41:58,689 INFO L267 ElimStorePlain]: Start of recursive call 182: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-22 22:42:02,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 83 [2018-11-22 22:42:02,137 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 60 treesize of output 58 [2018-11-22 22:42:02,137 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-11-22 22:42:02,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 73 treesize of output 71 [2018-11-22 22:42:02,686 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-11-22 22:42:03,161 INFO L267 ElimStorePlain]: Start of recursive call 187: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-22 22:42:03,209 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 75 [2018-11-22 22:42:03,210 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 2 xjuncts. [2018-11-22 22:42:07,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 76 [2018-11-22 22:42:07,086 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-11-22 22:42:07,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 86 [2018-11-22 22:42:07,240 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-11-22 22:42:07,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2018-11-22 22:42:07,246 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2018-11-22 22:42:07,285 INFO L267 ElimStorePlain]: Start of recursive call 192: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 22:42:09,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 71 [2018-11-22 22:42:10,340 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-11-22 22:42:10,540 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-22 22:42:10,541 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_325 (bvadd v_subst_5 (_ bv8 32)) v_DerPreprocessor_8) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 22:42:10,544 INFO L168 Benchmark]: Toolchain (without parser) took 169258.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -71.7 MB). Peak memory consumption was 403.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:42:10,545 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:42:10,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.99 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 922.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:42:10,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 922.9 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:42:10,545 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:42:10,545 INFO L168 Benchmark]: RCFGBuilder took 507.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:42:10,546 INFO L168 Benchmark]: TraceAbstraction took 168323.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 404.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:42:10,547 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.99 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 922.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 922.9 MB in the beginning and 1.1 GB in the end (delta: -200.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 507.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 168323.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.5 MB). Peak memory consumption was 404.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_325 (bvadd v_subst_5 (_ bv8 32)) v_DerPreprocessor_8) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_325 (bvadd v_subst_5 (_ bv8 32)) v_DerPreprocessor_8): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...