./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e697b26a33773e62711271acc7c4dca91991203b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e697b26a33773e62711271acc7c4dca91991203b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_17 term size 60 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:41:48,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:41:48,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:41:48,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:41:48,142 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:41:48,143 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:41:48,144 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:41:48,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:41:48,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:41:48,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:41:48,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:41:48,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:41:48,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:41:48,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:41:48,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:41:48,153 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:41:48,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:41:48,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:41:48,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:41:48,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:41:48,159 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:41:48,160 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:41:48,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:41:48,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:41:48,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:41:48,163 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:41:48,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:41:48,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:41:48,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:41:48,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:41:48,167 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:41:48,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:41:48,167 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:41:48,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:41:48,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:41:48,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:41:48,170 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:41:48,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:41:48,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:41:48,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:41:48,182 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:41:48,182 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:41:48,182 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:41:48,182 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:41:48,183 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:41:48,183 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:41:48,183 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:41:48,183 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:41:48,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:41:48,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:41:48,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:41:48,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:41:48,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:41:48,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:41:48,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:41:48,187 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:41:48,187 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:41:48,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:41:48,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:41:48,188 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:41:48,189 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_294ea15f-f380-47d3-b67f-43115a5c4a48/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e697b26a33773e62711271acc7c4dca91991203b [2018-10-26 21:41:48,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:41:48,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:41:48,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:41:48,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:41:48,230 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:41:48,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c [2018-10-26 21:41:48,281 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/ae8a08a78/6705cd0b740244e389580ef2d164ced2/FLAG663050002 [2018-10-26 21:41:48,654 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:41:48,655 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c [2018-10-26 21:41:48,661 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/ae8a08a78/6705cd0b740244e389580ef2d164ced2/FLAG663050002 [2018-10-26 21:41:48,671 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/ae8a08a78/6705cd0b740244e389580ef2d164ced2 [2018-10-26 21:41:48,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:41:48,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:41:48,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:41:48,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:41:48,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:41:48,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d00b4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48, skipping insertion in model container [2018-10-26 21:41:48,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:41:48,712 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:41:48,850 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:41:48,856 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:41:48,876 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:41:48,890 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:41:48,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48 WrapperNode [2018-10-26 21:41:48,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:41:48,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:41:48,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:41:48,891 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:41:48,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:41:48,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:41:48,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:41:48,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:41:48,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:48,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... [2018-10-26 21:41:49,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:41:49,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:41:49,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:41:49,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:41:49,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:41:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:41:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure check [2018-10-26 21:41:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2018-10-26 21:41:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:41:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:41:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:41:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:41:49,671 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:41:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:41:49 BoogieIcfgContainer [2018-10-26 21:41:49,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:41:49,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:41:49,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:41:49,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:41:49,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:41:48" (1/3) ... [2018-10-26 21:41:49,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7f0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:41:49, skipping insertion in model container [2018-10-26 21:41:49,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:41:48" (2/3) ... [2018-10-26 21:41:49,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7f0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:41:49, skipping insertion in model container [2018-10-26 21:41:49,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:41:49" (3/3) ... [2018-10-26 21:41:49,680 INFO L112 eAbstractionObserver]: Analyzing ICFG test27_true-unreach-call_true-termination.c [2018-10-26 21:41:49,689 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:41:49,696 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:41:49,709 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:41:49,737 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:41:49,737 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:41:49,737 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:41:49,737 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:41:49,737 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:41:49,737 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:41:49,737 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:41:49,738 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:41:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-10-26 21:41:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:41:49,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:49,757 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:49,759 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:49,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:49,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1727734969, now seen corresponding path program 1 times [2018-10-26 21:41:49,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:49,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:49,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:49,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:49,806 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:49,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:41:49,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:41:49,895 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:41:49,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 21:41:49,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 21:41:49,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:41:49,914 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2018-10-26 21:41:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:49,929 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2018-10-26 21:41:49,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 21:41:49,931 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-10-26 21:41:49,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:49,939 INFO L225 Difference]: With dead ends: 45 [2018-10-26 21:41:49,939 INFO L226 Difference]: Without dead ends: 22 [2018-10-26 21:41:49,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:41:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-10-26 21:41:49,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-10-26 21:41:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-26 21:41:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-10-26 21:41:49,971 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2018-10-26 21:41:49,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:49,972 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-10-26 21:41:49,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 21:41:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-26 21:41:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:41:49,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:49,973 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:49,973 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:49,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash -996451614, now seen corresponding path program 1 times [2018-10-26 21:41:49,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:49,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:49,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:49,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:49,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:50,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:41:50,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:41:50,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:41:50,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:41:50,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:41:50,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:41:50,074 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 3 states. [2018-10-26 21:41:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:50,113 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-10-26 21:41:50,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:41:50,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-26 21:41:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:50,114 INFO L225 Difference]: With dead ends: 38 [2018-10-26 21:41:50,114 INFO L226 Difference]: Without dead ends: 25 [2018-10-26 21:41:50,115 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:41:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-26 21:41:50,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-10-26 21:41:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-26 21:41:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-10-26 21:41:50,119 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2018-10-26 21:41:50,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:50,120 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-10-26 21:41:50,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:41:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-26 21:41:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:41:50,121 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:50,121 INFO L375 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] [2018-10-26 21:41:50,121 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:50,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:50,121 INFO L82 PathProgramCache]: Analyzing trace with hash 912031803, now seen corresponding path program 1 times [2018-10-26 21:41:50,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:50,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:50,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:50,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:50,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:50,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:50,261 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:41:50,262 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-10-26 21:41:50,264 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [22], [25], [29], [31], [34], [41], [44], [54], [57], [58], [59], [60], [61], [63], [64] [2018-10-26 21:41:50,314 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:41:50,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:41:51,509 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 21:41:51,510 INFO L272 AbstractInterpreter]: Visited 22 different actions 54 times. Merged at 3 different actions 24 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 74 variables. [2018-10-26 21:41:51,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:51,544 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 21:41:51,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:51,545 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:51,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:51,563 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 21:41:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:51,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:41:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:51,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:41:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:52,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 21:41:52,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2018-10-26 21:41:52,024 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:41:52,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:41:52,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:41:52,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:41:52,026 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 5 states. [2018-10-26 21:41:52,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:52,069 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-10-26 21:41:52,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:41:52,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-10-26 21:41:52,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:52,071 INFO L225 Difference]: With dead ends: 41 [2018-10-26 21:41:52,071 INFO L226 Difference]: Without dead ends: 28 [2018-10-26 21:41:52,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:41:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-26 21:41:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-10-26 21:41:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-26 21:41:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-10-26 21:41:52,076 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2018-10-26 21:41:52,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:52,076 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-10-26 21:41:52,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:41:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-26 21:41:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:41:52,076 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:52,077 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:52,077 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:52,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash -235556798, now seen corresponding path program 2 times [2018-10-26 21:41:52,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:52,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:52,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:52,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:52,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:41:52,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:52,203 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:41:52,203 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:41:52,203 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:41:52,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:52,204 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:52,211 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 21:41:52,212 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 21:41:52,265 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-10-26 21:41:52,265 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:41:52,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:41:52,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:52,378 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:41:52,434 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:52,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:52,436 INFO L477 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 [2018-10-26 21:41:52,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2018-10-26 21:41:52,538 INFO L477 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 46 [2018-10-26 21:41:52,562 INFO L477 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 [2018-10-26 21:41:52,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,653 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-10-26 21:41:52,657 INFO L477 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 13 treesize of output 12 [2018-10-26 21:41:52,658 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,715 INFO L477 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 31 treesize of output 40 [2018-10-26 21:41:52,732 INFO L477 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 [2018-10-26 21:41:52,733 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,771 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,822 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:52,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,005 INFO L477 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 91 treesize of output 62 [2018-10-26 21:41:53,022 INFO L477 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 22 treesize of output 21 [2018-10-26 21:41:53,022 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 61 treesize of output 65 [2018-10-26 21:41:53,088 INFO L477 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 17 treesize of output 16 [2018-10-26 21:41:53,088 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,134 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:53,144 INFO L477 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 51 treesize of output 86 [2018-10-26 21:41:53,147 INFO L477 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 [2018-10-26 21:41:53,147 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,274 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,379 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,419 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,452 INFO L477 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 15 treesize of output 16 [2018-10-26 21:41:53,455 INFO L477 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 15 [2018-10-26 21:41:53,455 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,458 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:53,481 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:268, output treesize:127 [2018-10-26 21:41:53,518 INFO L477 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 162 [2018-10-26 21:41:53,526 INFO L477 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 119 treesize of output 79 [2018-10-26 21:41:53,526 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:53,537 INFO L477 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 65 treesize of output 29 [2018-10-26 21:41:53,538 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,585 INFO L477 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 65 treesize of output 57 [2018-10-26 21:41:53,586 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:53,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:53,676 INFO L477 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 49 treesize of output 49 [2018-10-26 21:41:53,678 INFO L477 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 9 [2018-10-26 21:41:53,679 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,703 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,708 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:216, output treesize:9 [2018-10-26 21:41:53,735 INFO L477 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 17 treesize of output 13 [2018-10-26 21:41:53,737 INFO L477 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 13 treesize of output 9 [2018-10-26 21:41:53,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:53,741 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-10-26 21:41:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:41:53,783 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:41:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:41:53,908 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:41:53,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5] total 13 [2018-10-26 21:41:53,908 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:41:53,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:41:53,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:41:53,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-10-26 21:41:53,909 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 6 states. [2018-10-26 21:41:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:54,084 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-10-26 21:41:54,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:41:54,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-10-26 21:41:54,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:54,087 INFO L225 Difference]: With dead ends: 38 [2018-10-26 21:41:54,087 INFO L226 Difference]: Without dead ends: 30 [2018-10-26 21:41:54,087 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-10-26 21:41:54,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-26 21:41:54,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-10-26 21:41:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-26 21:41:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-10-26 21:41:54,091 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 26 [2018-10-26 21:41:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:54,092 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-10-26 21:41:54,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:41:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-26 21:41:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 21:41:54,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:54,092 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:54,093 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:54,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -248186938, now seen corresponding path program 1 times [2018-10-26 21:41:54,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:54,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:54,094 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:41:54,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:54,094 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:41:54,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:54,411 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:41:54,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-10-26 21:41:54,411 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [22], [25], [29], [31], [34], [36], [41], [44], [54], [57], [58], [59], [60], [61], [63], [64] [2018-10-26 21:41:54,413 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:41:54,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:41:55,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 21:41:55,240 INFO L272 AbstractInterpreter]: Visited 23 different actions 57 times. Merged at 5 different actions 26 times. Widened at 1 different actions 4 times. Found 2 fixpoints after 2 different actions. Largest state had 75 variables. [2018-10-26 21:41:55,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:55,278 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 21:41:55,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:55,278 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:55,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:55,284 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 21:41:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:55,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:41:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:41:55,342 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:41:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:41:55,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 21:41:55,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2018-10-26 21:41:55,434 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:41:55,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:41:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:41:55,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:41:55,435 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 6 states. [2018-10-26 21:41:55,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:55,468 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-10-26 21:41:55,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:41:55,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-10-26 21:41:55,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:55,469 INFO L225 Difference]: With dead ends: 50 [2018-10-26 21:41:55,469 INFO L226 Difference]: Without dead ends: 34 [2018-10-26 21:41:55,469 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:41:55,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-26 21:41:55,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-10-26 21:41:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-26 21:41:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-10-26 21:41:55,472 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 29 [2018-10-26 21:41:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:55,473 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-10-26 21:41:55,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:41:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-26 21:41:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:41:55,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:55,474 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:55,474 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:55,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:55,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1937098381, now seen corresponding path program 2 times [2018-10-26 21:41:55,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:55,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:55,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:41:55,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:55,475 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:41:55,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:55,852 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:41:55,853 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:41:55,853 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:41:55,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:55,853 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:55,860 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 21:41:55,860 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 21:41:55,909 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 21:41:55,909 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:41:55,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:41:55,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:55,958 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:41:55,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:55,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:41:55,974 INFO L477 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 [2018-10-26 21:41:55,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:55,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:55,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:55,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2018-10-26 21:41:56,024 INFO L477 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 91 treesize of output 53 [2018-10-26 21:41:56,028 INFO L477 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 13 treesize of output 12 [2018-10-26 21:41:56,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,086 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-10-26 21:41:56,090 INFO L477 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 13 treesize of output 12 [2018-10-26 21:41:56,090 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,119 INFO L477 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 38 treesize of output 47 [2018-10-26 21:41:56,124 INFO L477 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 [2018-10-26 21:41:56,124 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,273 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,389 INFO L477 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 46 [2018-10-26 21:41:56,392 INFO L477 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 16 [2018-10-26 21:41:56,392 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,405 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-10-26 21:41:56,409 INFO L477 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 13 treesize of output 12 [2018-10-26 21:41:56,409 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,475 INFO L477 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 40 treesize of output 49 [2018-10-26 21:41:56,479 INFO L477 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 [2018-10-26 21:41:56,479 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,510 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,516 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,523 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,551 INFO L477 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 15 treesize of output 25 [2018-10-26 21:41:56,574 INFO L477 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 25 treesize of output 24 [2018-10-26 21:41:56,574 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,598 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,653 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:271, output treesize:130 [2018-10-26 21:41:56,691 INFO L477 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 162 [2018-10-26 21:41:56,695 INFO L477 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 75 treesize of output 39 [2018-10-26 21:41:56,695 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,704 INFO L477 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 95 treesize of output 87 [2018-10-26 21:41:56,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:56,715 INFO L477 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 97 treesize of output 57 [2018-10-26 21:41:56,716 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:56,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:56,746 INFO L477 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 49 treesize of output 49 [2018-10-26 21:41:56,752 INFO L477 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 9 [2018-10-26 21:41:56,752 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,760 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,771 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:219, output treesize:13 [2018-10-26 21:41:56,808 INFO L477 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 17 treesize of output 13 [2018-10-26 21:41:56,809 INFO L477 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 13 treesize of output 9 [2018-10-26 21:41:56,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:56,814 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:20, output treesize:9 [2018-10-26 21:41:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:41:56,824 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:41:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:41:56,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 21:41:56,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2018-10-26 21:41:56,971 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:41:56,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 21:41:56,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 21:41:56,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-10-26 21:41:56,972 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 11 states. [2018-10-26 21:41:57,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:41:57,190 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2018-10-26 21:41:57,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 21:41:57,191 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-10-26 21:41:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:41:57,192 INFO L225 Difference]: With dead ends: 56 [2018-10-26 21:41:57,192 INFO L226 Difference]: Without dead ends: 40 [2018-10-26 21:41:57,192 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2018-10-26 21:41:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-26 21:41:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-10-26 21:41:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 21:41:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-10-26 21:41:57,199 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 32 [2018-10-26 21:41:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:41:57,199 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-10-26 21:41:57,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 21:41:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-26 21:41:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:41:57,200 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:41:57,200 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:41:57,200 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:41:57,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:41:57,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1052612386, now seen corresponding path program 3 times [2018-10-26 21:41:57,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:41:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:57,204 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:41:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:41:57,204 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:41:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:41:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:41:57,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:57,293 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:41:57,293 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:41:57,294 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:41:57,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:41:57,294 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:41:57,301 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 21:41:57,301 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-26 21:41:57,335 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 21:41:57,335 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:41:57,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:41:57,346 INFO L477 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 [2018-10-26 21:41:57,349 INFO L477 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 [2018-10-26 21:41:57,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:57,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:57,362 INFO L477 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 [2018-10-26 21:41:57,364 INFO L477 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 [2018-10-26 21:41:57,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:57,366 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:41:57,372 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 1 xjuncts. [2018-10-26 21:41:57,373 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:97 [2018-10-26 21:41:57,411 INFO L477 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 164 treesize of output 150 [2018-10-26 21:41:57,418 INFO L477 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 128 treesize of output 118 [2018-10-26 21:41:57,419 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:57,509 INFO L477 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 130 treesize of output 100 [2018-10-26 21:41:57,511 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:57,641 INFO L477 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 118 treesize of output 85 [2018-10-26 21:41:57,643 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:41:57,734 INFO L477 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 144 treesize of output 104 [2018-10-26 21:41:57,735 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:57,824 INFO L477 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 104 treesize of output 92 [2018-10-26 21:41:57,825 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:57,937 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 100 [2018-10-26 21:41:57,938 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:41:58,056 INFO L477 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 100 treesize of output 69 [2018-10-26 21:41:58,056 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:58,168 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 108 [2018-10-26 21:41:58,174 INFO L267 ElimStorePlain]: Start of recursive call 10: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-10-26 21:41:58,368 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 104 [2018-10-26 21:41:58,374 INFO L267 ElimStorePlain]: Start of recursive call 11: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-10-26 21:41:58,623 INFO L477 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 100 treesize of output 80 [2018-10-26 21:41:58,625 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:41:59,079 INFO L477 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 104 [2018-10-26 21:41:59,083 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:41:59,344 INFO L477 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 92 treesize of output 61 [2018-10-26 21:41:59,344 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-26 21:41:59,649 INFO L477 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 108 [2018-10-26 21:41:59,665 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-10-26 21:42:00,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 13 dim-1 vars, End of recursive call: 29 dim-0 vars, and 22 xjuncts. [2018-10-26 21:42:00,354 INFO L477 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 73 treesize of output 65 [2018-10-26 21:42:00,364 INFO L477 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 57 treesize of output 33 [2018-10-26 21:42:00,365 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:00,383 INFO L477 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 22 [2018-10-26 21:42:00,383 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,402 INFO L477 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 61 treesize of output 34 [2018-10-26 21:42:00,403 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,419 INFO L477 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 26 [2018-10-26 21:42:00,420 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,444 INFO L267 ElimStorePlain]: Start of recursive call 16: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:42:00,500 INFO L477 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 101 treesize of output 101 [2018-10-26 21:42:00,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,512 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 44 [2018-10-26 21:42:00,512 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,574 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 40 [2018-10-26 21:42:00,574 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,595 INFO L267 ElimStorePlain]: Start of recursive call 21: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,610 INFO L477 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 85 treesize of output 89 [2018-10-26 21:42:00,615 INFO L477 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 63 [2018-10-26 21:42:00,616 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:00,706 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 37 [2018-10-26 21:42:00,706 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,792 INFO L477 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 77 treesize of output 50 [2018-10-26 21:42:00,792 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:00,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,879 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,890 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2018-10-26 21:42:00,891 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:00,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:00,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,006 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 46 [2018-10-26 21:42:01,007 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:01,034 INFO L267 ElimStorePlain]: Start of recursive call 24: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,051 INFO L477 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 105 treesize of output 97 [2018-10-26 21:42:01,095 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,143 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 44 [2018-10-26 21:42:01,144 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,172 INFO L267 ElimStorePlain]: Start of recursive call 30: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,184 INFO L477 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 89 treesize of output 85 [2018-10-26 21:42:01,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,195 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2018-10-26 21:42:01,196 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:01,259 INFO L267 ElimStorePlain]: Start of recursive call 32: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,264 INFO L477 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 45 [2018-10-26 21:42:01,281 INFO L477 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 48 [2018-10-26 21:42:01,282 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 4 xjuncts. [2018-10-26 21:42:01,292 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,299 INFO L477 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 81 treesize of output 71 [2018-10-26 21:42:01,303 INFO L477 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 67 treesize of output 43 [2018-10-26 21:42:01,303 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:01,321 INFO L477 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 63 treesize of output 55 [2018-10-26 21:42:01,322 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:01,344 INFO L477 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 [2018-10-26 21:42:01,345 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,365 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 29 [2018-10-26 21:42:01,365 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,375 INFO L267 ElimStorePlain]: Start of recursive call 36: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,387 INFO L477 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 105 treesize of output 97 [2018-10-26 21:42:01,391 INFO L477 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 89 treesize of output 57 [2018-10-26 21:42:01,392 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:01,441 INFO L477 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 85 treesize of output 45 [2018-10-26 21:42:01,442 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,486 INFO L477 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 85 treesize of output 58 [2018-10-26 21:42:01,486 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,528 INFO L477 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 28 treesize of output 26 [2018-10-26 21:42:01,528 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:01,563 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 44 [2018-10-26 21:42:01,563 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,578 INFO L267 ElimStorePlain]: Start of recursive call 41: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,585 INFO L477 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 69 treesize of output 63 [2018-10-26 21:42:01,588 INFO L477 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 59 treesize of output 53 [2018-10-26 21:42:01,588 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:01,610 INFO L477 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 53 treesize of output 30 [2018-10-26 21:42:01,611 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,642 INFO L477 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 55 treesize of output 28 [2018-10-26 21:42:01,643 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,657 INFO L477 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 28 treesize of output 26 [2018-10-26 21:42:01,658 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,890 INFO L267 ElimStorePlain]: Start of recursive call 47: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:01,990 INFO L477 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 81 treesize of output 79 [2018-10-26 21:42:02,002 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 51 [2018-10-26 21:42:02,003 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:02,048 INFO L477 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 71 treesize of output 44 [2018-10-26 21:42:02,048 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,084 INFO L477 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 28 treesize of output 26 [2018-10-26 21:42:02,084 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,116 INFO L477 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 63 treesize of output 39 [2018-10-26 21:42:02,117 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,139 INFO L477 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 39 treesize of output 26 [2018-10-26 21:42:02,139 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:02,165 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 46 [2018-10-26 21:42:02,166 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:02,178 INFO L267 ElimStorePlain]: Start of recursive call 52: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,181 INFO L477 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 93 treesize of output 71 [2018-10-26 21:42:02,183 INFO L477 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 67 treesize of output 57 [2018-10-26 21:42:02,184 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,193 INFO L477 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 57 treesize of output 25 [2018-10-26 21:42:02,193 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,196 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,199 INFO L477 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 93 treesize of output 71 [2018-10-26 21:42:02,201 INFO L477 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 67 treesize of output 57 [2018-10-26 21:42:02,201 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,211 INFO L477 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 57 treesize of output 25 [2018-10-26 21:42:02,211 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,215 INFO L267 ElimStorePlain]: Start of recursive call 62: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,222 INFO L477 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 57 treesize of output 53 [2018-10-26 21:42:02,225 INFO L477 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 49 treesize of output 45 [2018-10-26 21:42:02,226 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,242 INFO L477 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 33 [2018-10-26 21:42:02,243 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,261 INFO L477 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 41 [2018-10-26 21:42:02,262 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,315 INFO L477 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 41 treesize of output 35 [2018-10-26 21:42:02,316 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,327 INFO L267 ElimStorePlain]: Start of recursive call 65: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,339 INFO L477 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 105 treesize of output 101 [2018-10-26 21:42:02,362 INFO L477 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 93 treesize of output 61 [2018-10-26 21:42:02,363 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,455 INFO L477 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 57 treesize of output 46 [2018-10-26 21:42:02,455 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,502 INFO L477 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 85 treesize of output 58 [2018-10-26 21:42:02,503 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,549 INFO L477 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 46 treesize of output 42 [2018-10-26 21:42:02,550 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,593 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 59 [2018-10-26 21:42:02,594 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,639 INFO L477 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 50 treesize of output 38 [2018-10-26 21:42:02,639 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,711 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:02,715 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 44 [2018-10-26 21:42:02,716 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,730 INFO L267 ElimStorePlain]: Start of recursive call 70: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,735 INFO L477 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 61 treesize of output 49 [2018-10-26 21:42:02,739 INFO L477 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 37 treesize of output 33 [2018-10-26 21:42:02,739 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:02,748 INFO L477 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 9 [2018-10-26 21:42:02,748 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,774 INFO L267 ElimStorePlain]: Start of recursive call 78: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:02,790 INFO L477 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 85 treesize of output 89 [2018-10-26 21:42:02,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:02,839 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2018-10-26 21:42:02,840 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:02,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:02,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:02,920 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2018-10-26 21:42:02,921 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:03,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:03,006 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:03,125 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 46 [2018-10-26 21:42:03,126 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:03,314 INFO L267 ElimStorePlain]: Start of recursive call 81: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:03,402 INFO L477 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 77 treesize of output 83 [2018-10-26 21:42:03,457 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 51 [2018-10-26 21:42:03,458 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:03,544 INFO L477 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 67 treesize of output 45 [2018-10-26 21:42:03,544 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:03,621 INFO L477 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 71 treesize of output 63 [2018-10-26 21:42:03,622 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:03,721 INFO L477 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 63 treesize of output 45 [2018-10-26 21:42:03,722 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:03,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:03,806 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 42 [2018-10-26 21:42:03,807 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:03,866 INFO L267 ElimStorePlain]: Start of recursive call 85: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:03,878 INFO L477 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 53 treesize of output 57 [2018-10-26 21:42:03,895 INFO L477 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 52 [2018-10-26 21:42:03,896 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 4 xjuncts. [2018-10-26 21:42:04,825 INFO L267 ElimStorePlain]: Start of recursive call 91: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:04,965 INFO L303 Elim1Store]: Index analysis took 139 ms [2018-10-26 21:42:05,054 INFO L477 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 81 treesize of output 79 [2018-10-26 21:42:05,070 INFO L477 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 71 treesize of output 63 [2018-10-26 21:42:05,071 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,213 INFO L477 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 67 treesize of output 59 [2018-10-26 21:42:05,213 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,266 INFO L477 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 63 treesize of output 45 [2018-10-26 21:42:05,267 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:05,320 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 46 [2018-10-26 21:42:05,321 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:05,342 INFO L267 ElimStorePlain]: Start of recursive call 93: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,353 INFO L477 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 89 treesize of output 85 [2018-10-26 21:42:05,362 INFO L477 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 77 treesize of output 67 [2018-10-26 21:42:05,363 INFO L267 ElimStorePlain]: Start of recursive call 99: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,407 INFO L477 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 67 treesize of output 49 [2018-10-26 21:42:05,408 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,449 INFO L477 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 38 [2018-10-26 21:42:05,450 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,490 INFO L477 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 63 [2018-10-26 21:42:05,490 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:05,553 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 52 [2018-10-26 21:42:05,554 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,589 INFO L477 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 18 [2018-10-26 21:42:05,589 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,617 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2018-10-26 21:42:05,618 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,636 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:05,643 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2018-10-26 21:42:05,644 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:05,651 INFO L267 ElimStorePlain]: Start of recursive call 98: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,657 INFO L477 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 89 treesize of output 75 [2018-10-26 21:42:05,660 INFO L477 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 71 treesize of output 61 [2018-10-26 21:42:05,661 INFO L267 ElimStorePlain]: Start of recursive call 108: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,677 INFO L477 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 61 treesize of output 29 [2018-10-26 21:42:05,678 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,731 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 40 [2018-10-26 21:42:05,732 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:05,736 INFO L267 ElimStorePlain]: Start of recursive call 107: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:05,750 INFO L477 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 77 treesize of output 83 [2018-10-26 21:42:05,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:05,765 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 46 [2018-10-26 21:42:05,766 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:05,815 INFO L477 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 63 treesize of output 55 [2018-10-26 21:42:05,816 INFO L267 ElimStorePlain]: Start of recursive call 113: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:05,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:05,996 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 42 [2018-10-26 21:42:05,996 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:06,013 INFO L267 ElimStorePlain]: Start of recursive call 111: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,032 INFO L202 ElimStorePlain]: Needed 114 recursive calls to eliminate 5 variables, input treesize:164, output treesize:9 [2018-10-26 21:42:06,053 INFO L477 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 17 treesize of output 13 [2018-10-26 21:42:06,055 INFO L477 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 13 treesize of output 9 [2018-10-26 21:42:06,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-10-26 21:42:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:42:06,067 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:42:06,113 INFO L477 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 64 [2018-10-26 21:42:06,115 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:06,115 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:06,116 INFO L477 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 33 treesize of output 36 [2018-10-26 21:42:06,116 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,124 INFO L477 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 59 treesize of output 57 [2018-10-26 21:42:06,125 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:06,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:42:06,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:42:06,135 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:59, output treesize:53 [2018-10-26 21:42:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:42:06,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 21:42:06,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2018-10-26 21:42:06,247 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:42:06,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 21:42:06,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 21:42:06,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-10-26 21:42:06,248 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 12 states. [2018-10-26 21:42:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:42:16,830 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-10-26 21:42:16,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 21:42:16,831 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-10-26 21:42:16,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:42:16,832 INFO L225 Difference]: With dead ends: 65 [2018-10-26 21:42:16,832 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 21:42:16,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-10-26 21:42:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 21:42:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2018-10-26 21:42:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 21:42:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-10-26 21:42:16,836 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 38 [2018-10-26 21:42:16,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:42:16,837 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-10-26 21:42:16,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 21:42:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-26 21:42:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:42:16,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:42:16,838 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:42:16,838 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:42:16,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:42:16,838 INFO L82 PathProgramCache]: Analyzing trace with hash -44629715, now seen corresponding path program 4 times [2018-10-26 21:42:16,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:42:16,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:42:16,839 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:42:16,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:42:16,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:42:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:42:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:42:17,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:42:17,460 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:42:17,460 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:42:17,460 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:42:17,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:42:17,461 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:42:17,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:42:17,468 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 21:42:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:42:17,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:42:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:42:17,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:42:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:42:17,601 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 21:42:17,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2018-10-26 21:42:17,602 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:42:17,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:42:17,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:42:17,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 21:42:17,603 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2018-10-26 21:42:17,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:42:17,735 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2018-10-26 21:42:17,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:42:17,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2018-10-26 21:42:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:42:17,741 INFO L225 Difference]: With dead ends: 71 [2018-10-26 21:42:17,741 INFO L226 Difference]: Without dead ends: 49 [2018-10-26 21:42:17,742 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 21:42:17,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-26 21:42:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2018-10-26 21:42:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-26 21:42:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-10-26 21:42:17,745 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 44 [2018-10-26 21:42:17,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:42:17,745 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-10-26 21:42:17,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:42:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-26 21:42:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:42:17,746 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:42:17,746 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:42:17,746 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:42:17,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:42:17,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1812196230, now seen corresponding path program 5 times [2018-10-26 21:42:17,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:42:17,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:42:17,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:42:17,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:42:17,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:42:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:42:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:42:17,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:42:17,871 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:42:17,871 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:42:17,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:42:17,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:42:17,871 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:42:17,880 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 21:42:17,880 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 21:42:17,917 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 21:42:17,917 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:42:17,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:42:17,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:17,936 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:42:17,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:17,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:17,950 INFO L477 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 [2018-10-26 21:42:17,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:17,953 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:17,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:17,957 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2018-10-26 21:42:17,985 INFO L477 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 46 [2018-10-26 21:42:17,989 INFO L477 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 [2018-10-26 21:42:17,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,013 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-10-26 21:42:18,017 INFO L477 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 13 treesize of output 12 [2018-10-26 21:42:18,017 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,065 INFO L477 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 31 treesize of output 40 [2018-10-26 21:42:18,069 INFO L477 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 [2018-10-26 21:42:18,069 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,082 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,091 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,138 INFO L477 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 91 treesize of output 62 [2018-10-26 21:42:18,140 INFO L477 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 22 treesize of output 21 [2018-10-26 21:42:18,141 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 61 treesize of output 65 [2018-10-26 21:42:18,157 INFO L477 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 17 treesize of output 16 [2018-10-26 21:42:18,157 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:18,176 INFO L477 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 51 treesize of output 86 [2018-10-26 21:42:18,179 INFO L477 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 [2018-10-26 21:42:18,179 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,189 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,196 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,203 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,231 INFO L477 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 15 treesize of output 16 [2018-10-26 21:42:18,233 INFO L477 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 15 [2018-10-26 21:42:18,233 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,236 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:18,282 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 7 variables, input treesize:271, output treesize:191 [2018-10-26 21:42:22,872 WARN L179 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 62 [2018-10-26 21:42:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 21:42:23,607 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:42:26,058 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2018-10-26 21:42:26,080 INFO L477 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 1715 treesize of output 1372 [2018-10-26 21:42:26,084 INFO L477 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 [2018-10-26 21:42:26,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:26,131 INFO L477 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 1371 treesize of output 1137 [2018-10-26 21:42:28,013 WARN L179 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 288 DAG size of output: 247 [2018-10-26 21:42:28,014 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-10-26 21:42:28,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-10-26 21:42:28,112 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-10-26 21:42:28,191 INFO L477 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 1740 treesize of output 1739 [2018-10-26 21:42:28,192 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,206 INFO L477 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 1649 treesize of output 1648 [2018-10-26 21:42:28,207 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,222 INFO L477 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 1376 treesize of output 1375 [2018-10-26 21:42:28,222 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,237 INFO L477 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 1544 treesize of output 1543 [2018-10-26 21:42:28,238 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,252 INFO L477 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 1743 treesize of output 1742 [2018-10-26 21:42:28,253 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,268 INFO L477 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 1169 treesize of output 1168 [2018-10-26 21:42:28,268 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,271 INFO L477 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 1373 treesize of output 1372 [2018-10-26 21:42:28,272 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,275 INFO L477 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 1667 treesize of output 1666 [2018-10-26 21:42:28,275 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,278 INFO L477 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 1470 treesize of output 1469 [2018-10-26 21:42:28,279 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,296 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,296 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,300 INFO L477 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 1547 treesize of output 1546 [2018-10-26 21:42:28,300 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,306 INFO L477 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 1358 treesize of output 1357 [2018-10-26 21:42:28,306 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,310 INFO L477 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 1047 treesize of output 1046 [2018-10-26 21:42:28,310 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,313 INFO L477 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 1554 treesize of output 1553 [2018-10-26 21:42:28,314 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,317 INFO L477 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 1348 treesize of output 1347 [2018-10-26 21:42:28,318 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,324 INFO L477 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 1638 treesize of output 1637 [2018-10-26 21:42:28,324 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,328 INFO L477 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 1551 treesize of output 1550 [2018-10-26 21:42:28,329 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,346 INFO L477 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 1569 treesize of output 1568 [2018-10-26 21:42:28,347 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,352 INFO L477 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 1667 treesize of output 1666 [2018-10-26 21:42:28,353 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,355 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,355 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,358 INFO L477 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 1834 treesize of output 1833 [2018-10-26 21:42:28,358 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,361 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,361 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,364 INFO L477 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 1170 treesize of output 1169 [2018-10-26 21:42:28,365 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,390 INFO L477 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 1645 treesize of output 1644 [2018-10-26 21:42:28,391 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,398 INFO L477 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 1260 treesize of output 1259 [2018-10-26 21:42:28,398 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,401 INFO L477 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 984 treesize of output 983 [2018-10-26 21:42:28,401 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,405 INFO L477 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 1744 treesize of output 1743 [2018-10-26 21:42:28,405 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,410 INFO L477 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 1187 treesize of output 1186 [2018-10-26 21:42:28,410 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,412 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,412 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,415 INFO L477 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 2031 treesize of output 2030 [2018-10-26 21:42:28,415 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,428 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,429 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,432 INFO L477 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 1730 treesize of output 1729 [2018-10-26 21:42:28,432 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,435 INFO L477 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 1361 treesize of output 1360 [2018-10-26 21:42:28,436 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,439 INFO L477 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 1552 treesize of output 1551 [2018-10-26 21:42:28,439 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,443 INFO L477 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 1831 treesize of output 1830 [2018-10-26 21:42:28,443 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,453 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,454 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,457 INFO L477 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 1361 treesize of output 1360 [2018-10-26 21:42:28,457 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,468 INFO L477 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 1755 treesize of output 1754 [2018-10-26 21:42:28,469 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,472 INFO L477 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 1831 treesize of output 1830 [2018-10-26 21:42:28,472 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,476 INFO L477 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 1358 treesize of output 1357 [2018-10-26 21:42:28,476 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,479 INFO L477 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 1628 treesize of output 1627 [2018-10-26 21:42:28,480 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,501 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,502 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,521 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,522 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,534 INFO L477 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 1730 treesize of output 1729 [2018-10-26 21:42:28,534 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,537 INFO L477 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 1246 treesize of output 1245 [2018-10-26 21:42:28,538 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,541 INFO L477 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 1740 treesize of output 1739 [2018-10-26 21:42:28,542 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,545 INFO L477 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 1373 treesize of output 1372 [2018-10-26 21:42:28,545 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,549 INFO L477 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 1162 treesize of output 1161 [2018-10-26 21:42:28,549 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,552 INFO L477 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 1554 treesize of output 1553 [2018-10-26 21:42:28,553 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,556 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,556 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,560 INFO L477 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 1755 treesize of output 1754 [2018-10-26 21:42:28,560 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,564 INFO L477 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 1758 treesize of output 1757 [2018-10-26 21:42:28,564 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,566 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,567 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,580 INFO L477 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 1376 treesize of output 1375 [2018-10-26 21:42:28,581 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,590 INFO L477 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 1933 treesize of output 1932 [2018-10-26 21:42:28,590 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,594 INFO L477 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 1455 treesize of output 1454 [2018-10-26 21:42:28,594 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,598 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,598 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,601 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,602 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,605 INFO L477 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 1740 treesize of output 1739 [2018-10-26 21:42:28,605 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,609 INFO L477 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 1429 treesize of output 1428 [2018-10-26 21:42:28,609 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,612 INFO L477 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 1047 treesize of output 1046 [2018-10-26 21:42:28,613 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,616 INFO L477 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 1551 treesize of output 1550 [2018-10-26 21:42:28,617 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,622 INFO L477 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 1845 treesize of output 1844 [2018-10-26 21:42:28,623 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,626 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,626 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,630 INFO L477 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 1747 treesize of output 1746 [2018-10-26 21:42:28,630 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,633 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,633 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,656 INFO L477 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 1471 treesize of output 1470 [2018-10-26 21:42:28,657 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,661 INFO L477 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 1463 treesize of output 1462 [2018-10-26 21:42:28,661 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,665 INFO L477 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 1449 treesize of output 1448 [2018-10-26 21:42:28,665 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,669 INFO L477 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 945 treesize of output 944 [2018-10-26 21:42:28,669 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,672 INFO L477 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 869 treesize of output 868 [2018-10-26 21:42:28,672 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,676 INFO L477 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 1929 treesize of output 1928 [2018-10-26 21:42:28,676 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,680 INFO L477 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 1327 treesize of output 1326 [2018-10-26 21:42:28,680 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,684 INFO L477 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 1834 treesize of output 1833 [2018-10-26 21:42:28,684 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,688 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,689 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,692 INFO L477 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 1936 treesize of output 1935 [2018-10-26 21:42:28,693 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,696 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,696 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,700 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,700 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,703 INFO L477 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 1348 treesize of output 1347 [2018-10-26 21:42:28,704 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,710 INFO L477 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 1365 treesize of output 1364 [2018-10-26 21:42:28,710 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,714 INFO L477 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 1546 treesize of output 1545 [2018-10-26 21:42:28,714 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,718 INFO L477 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 1852 treesize of output 1851 [2018-10-26 21:42:28,718 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,722 INFO L477 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 1743 treesize of output 1742 [2018-10-26 21:42:28,722 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,742 INFO L477 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 1285 treesize of output 1284 [2018-10-26 21:42:28,742 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,762 INFO L477 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 1944 treesize of output 1943 [2018-10-26 21:42:28,763 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,773 INFO L477 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 1184 treesize of output 1183 [2018-10-26 21:42:28,774 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,777 INFO L477 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 1837 treesize of output 1836 [2018-10-26 21:42:28,778 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,785 INFO L477 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 1452 treesize of output 1451 [2018-10-26 21:42:28,786 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,789 INFO L477 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 1929 treesize of output 1928 [2018-10-26 21:42:28,789 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,793 INFO L477 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 1743 treesize of output 1742 [2018-10-26 21:42:28,793 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,797 INFO L477 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 1758 treesize of output 1757 [2018-10-26 21:42:28,797 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,801 INFO L477 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 1743 treesize of output 1742 [2018-10-26 21:42:28,801 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,805 INFO L477 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 1628 treesize of output 1627 [2018-10-26 21:42:28,806 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,809 INFO L477 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 1361 treesize of output 1360 [2018-10-26 21:42:28,810 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,814 INFO L477 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 2020 treesize of output 2019 [2018-10-26 21:42:28,815 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,818 INFO L477 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 1172 treesize of output 1171 [2018-10-26 21:42:28,818 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,821 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,821 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,824 INFO L477 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 1285 treesize of output 1284 [2018-10-26 21:42:28,825 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,828 INFO L477 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 1060 treesize of output 1059 [2018-10-26 21:42:28,828 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,831 INFO L477 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 1449 treesize of output 1448 [2018-10-26 21:42:28,832 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,835 INFO L477 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 1551 treesize of output 1550 [2018-10-26 21:42:28,836 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,839 INFO L477 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 1547 treesize of output 1546 [2018-10-26 21:42:28,840 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,862 INFO L477 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 869 treesize of output 868 [2018-10-26 21:42:28,863 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,882 INFO L477 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 1170 treesize of output 1169 [2018-10-26 21:42:28,883 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,902 INFO L477 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 1648 treesize of output 1647 [2018-10-26 21:42:28,903 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,921 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:28,922 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,942 INFO L477 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 2122 treesize of output 2121 [2018-10-26 21:42:28,943 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,956 INFO L477 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 1463 treesize of output 1462 [2018-10-26 21:42:28,957 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,972 INFO L477 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 1566 treesize of output 1565 [2018-10-26 21:42:28,973 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:28,994 INFO L477 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 2030 treesize of output 2029 [2018-10-26 21:42:28,995 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,017 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:29,018 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,026 INFO L477 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 1552 treesize of output 1551 [2018-10-26 21:42:29,026 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,040 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:29,041 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,062 INFO L477 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 1853 treesize of output 1852 [2018-10-26 21:42:29,063 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,070 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:29,070 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,074 INFO L477 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 1442 treesize of output 1441 [2018-10-26 21:42:29,074 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,082 INFO L477 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 1642 treesize of output 1641 [2018-10-26 21:42:29,082 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,087 INFO L477 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 1845 treesize of output 1844 [2018-10-26 21:42:29,087 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,094 INFO L477 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 1362 treesize of output 1361 [2018-10-26 21:42:29,094 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,098 INFO L477 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 1246 treesize of output 1245 [2018-10-26 21:42:29,098 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,102 INFO L477 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 1933 treesize of output 1932 [2018-10-26 21:42:29,103 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,106 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:42:29,107 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,114 INFO L477 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 1452 treesize of output 1451 [2018-10-26 21:42:29,114 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,125 INFO L477 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 1251 treesize of output 1250 [2018-10-26 21:42:29,125 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,129 INFO L477 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 1928 treesize of output 1927 [2018-10-26 21:42:29,130 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,134 INFO L477 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 1263 treesize of output 1262 [2018-10-26 21:42:29,134 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,138 INFO L477 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 1366 treesize of output 1365 [2018-10-26 21:42:29,138 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,146 INFO L477 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 1936 treesize of output 1935 [2018-10-26 21:42:29,146 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,150 INFO L477 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 1361 treesize of output 1360 [2018-10-26 21:42:29,150 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,154 INFO L477 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 1562 treesize of output 1561 [2018-10-26 21:42:29,155 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,161 INFO L477 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 1554 treesize of output 1553 [2018-10-26 21:42:29,161 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:29,165 INFO L477 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 945 treesize of output 944 [2018-10-26 21:42:29,166 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:35,837 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:35,838 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,840 INFO L477 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 1073 treesize of output 1077 [2018-10-26 21:42:35,840 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:35,845 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:35,845 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,846 INFO L477 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 1164 treesize of output 1168 [2018-10-26 21:42:35,847 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:35,867 INFO L477 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 1066 treesize of output 1076 [2018-10-26 21:42:35,868 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:35,891 INFO L477 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 1168 treesize of output 1178 [2018-10-26 21:42:35,891 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:35,897 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,910 INFO L477 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 2 case distinctions, treesize of input 948 treesize of output 961 [2018-10-26 21:42:35,911 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:35,927 INFO L477 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 1085 treesize of output 1095 [2018-10-26 21:42:35,928 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:35,931 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,932 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,933 INFO L477 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 941 treesize of output 956 [2018-10-26 21:42:35,933 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:35,946 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,961 INFO L477 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 2 case distinctions, treesize of input 865 treesize of output 878 [2018-10-26 21:42:35,962 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:35,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:35,967 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:35,968 INFO L477 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 1165 treesize of output 1169 [2018-10-26 21:42:35,968 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,353 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1074 treesize of output 1050 [2018-10-26 21:42:37,356 INFO L477 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 [2018-10-26 21:42:37,356 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,390 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,393 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 926 treesize of output 913 [2018-10-26 21:42:37,397 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,400 INFO L477 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 900 treesize of output 730 [2018-10-26 21:42:37,400 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,422 INFO L477 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 [2018-10-26 21:42:37,423 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,444 INFO L267 ElimStorePlain]: Start of recursive call 148: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,470 INFO L267 ElimStorePlain]: Start of recursive call 146: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,477 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,478 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 946 treesize of output 952 [2018-10-26 21:42:37,483 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 709 treesize of output 911 [2018-10-26 21:42:37,495 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:37,542 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 716 treesize of output 708 [2018-10-26 21:42:37,545 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,548 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,561 INFO L477 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 1 case distinctions, treesize of input 704 treesize of output 790 [2018-10-26 21:42:37,562 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:42:37,613 INFO L267 ElimStorePlain]: Start of recursive call 153: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:42:37,660 INFO L267 ElimStorePlain]: Start of recursive call 151: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:42:37,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:37,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1169 treesize of output 1160 [2018-10-26 21:42:37,744 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,751 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:37,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 1135 treesize of output 966 [2018-10-26 21:42:37,771 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:38,313 INFO L477 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 1136 treesize of output 1135 [2018-10-26 21:42:38,313 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:38,799 INFO L477 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 1127 treesize of output 1128 [2018-10-26 21:42:38,800 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-10-26 21:42:39,308 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:39,312 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:39,319 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:39,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:39,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 1114 treesize of output 1338 [2018-10-26 21:42:39,371 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 2 xjuncts. [2018-10-26 21:42:40,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:40,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1132 treesize of output 1126 [2018-10-26 21:42:40,081 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:40,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1104 treesize of output 1203 [2018-10-26 21:42:40,154 INFO L267 ElimStorePlain]: Start of recursive call 161: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 16 xjuncts. [2018-10-26 21:42:41,253 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:41,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:41,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1098 treesize of output 1183 [2018-10-26 21:42:41,282 INFO L267 ElimStorePlain]: Start of recursive call 162: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:42,384 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:42,385 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:42,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:42,410 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1101 treesize of output 1197 [2018-10-26 21:42:42,412 INFO L267 ElimStorePlain]: Start of recursive call 163: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:43,655 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:43,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1095 treesize of output 1200 [2018-10-26 21:42:43,728 INFO L267 ElimStorePlain]: Start of recursive call 164: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 16 xjuncts. [2018-10-26 21:42:46,206 INFO L267 ElimStorePlain]: Start of recursive call 160: 4 dim-1 vars, End of recursive call: 44 dim-0 vars, and 31 xjuncts. [2018-10-26 21:42:50,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1135 treesize of output 1125 [2018-10-26 21:42:50,126 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:50,127 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:50,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:50,151 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1101 treesize of output 1197 [2018-10-26 21:42:50,153 INFO L267 ElimStorePlain]: Start of recursive call 166: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:50,514 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:50,515 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:50,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:50,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1098 treesize of output 1194 [2018-10-26 21:42:50,541 INFO L267 ElimStorePlain]: Start of recursive call 167: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:51,045 INFO L477 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 1110 treesize of output 1016 [2018-10-26 21:42:51,045 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:51,483 INFO L477 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 1107 treesize of output 1007 [2018-10-26 21:42:51,483 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:51,918 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:51,919 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:51,920 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:51,921 INFO L477 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 1016 treesize of output 896 [2018-10-26 21:42:51,921 INFO L267 ElimStorePlain]: Start of recursive call 170: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:52,386 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:52,387 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:52,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:52,389 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:52,390 INFO L477 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 1007 treesize of output 904 [2018-10-26 21:42:52,390 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:42:52,851 INFO L267 ElimStorePlain]: Start of recursive call 165: 6 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-10-26 21:42:58,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:58,173 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1197 treesize of output 1187 [2018-10-26 21:42:58,215 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:58,220 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:58,230 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:58,245 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 973 treesize of output 1179 [2018-10-26 21:42:58,247 INFO L267 ElimStorePlain]: Start of recursive call 173: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:58,388 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:42:58,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:58,392 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1209 treesize of output 1195 [2018-10-26 21:42:58,416 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:58,419 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:58,444 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:42:58,453 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:58,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:42:58,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1077 treesize of output 1082 [2018-10-26 21:42:58,462 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:42:58,562 INFO L267 ElimStorePlain]: Start of recursive call 174: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:43:04,341 INFO L477 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 0 case distinctions, treesize of input 1113 treesize of output 1112 [2018-10-26 21:43:04,379 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 987 treesize of output 997 [2018-10-26 21:43:04,381 INFO L267 ElimStorePlain]: Start of recursive call 177: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:43:04,504 INFO L477 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 774 treesize of output 680 [2018-10-26 21:43:04,504 INFO L267 ElimStorePlain]: Start of recursive call 178: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:04,507 INFO L477 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 774 treesize of output 680 [2018-10-26 21:43:04,508 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:04,511 INFO L477 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 873 treesize of output 779 [2018-10-26 21:43:04,511 INFO L267 ElimStorePlain]: Start of recursive call 180: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:04,605 INFO L267 ElimStorePlain]: Start of recursive call 176: 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-10-26 21:43:10,487 INFO L477 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 2 case distinctions, treesize of input 1192 treesize of output 1122 [2018-10-26 21:43:10,687 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2018-10-26 21:43:10,756 INFO L477 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 1102 treesize of output 1207 [2018-10-26 21:43:10,762 INFO L267 ElimStorePlain]: Start of recursive call 182: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 11 xjuncts. [2018-10-26 21:43:11,501 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:11,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:43:11,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1099 treesize of output 1204 [2018-10-26 21:43:11,574 INFO L267 ElimStorePlain]: Start of recursive call 183: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 16 xjuncts. [2018-10-26 21:43:13,171 INFO L267 ElimStorePlain]: Start of recursive call 181: 2 dim-1 vars, End of recursive call: 35 dim-0 vars, and 24 xjuncts. [2018-10-26 21:43:23,828 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 1128 treesize of output 1114 [2018-10-26 21:43:23,836 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:23,837 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:23,838 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:43:23,843 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:23,858 INFO L477 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 3 case distinctions, treesize of input 1102 treesize of output 1154 [2018-10-26 21:43:23,859 INFO L267 ElimStorePlain]: Start of recursive call 185: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-10-26 21:43:24,071 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:24,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 1105 treesize of output 1157 [2018-10-26 21:43:24,141 INFO L267 ElimStorePlain]: Start of recursive call 186: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 16 xjuncts. [2018-10-26 21:43:24,643 INFO L267 ElimStorePlain]: Start of recursive call 184: 2 dim-1 vars, End of recursive call: 8 dim-0 vars, and 10 xjuncts. [2018-10-26 21:43:36,052 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1128 treesize of output 1108 [2018-10-26 21:43:36,058 INFO L477 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 296 treesize of output 291 [2018-10-26 21:43:36,058 INFO L267 ElimStorePlain]: Start of recursive call 188: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:36,088 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:36,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:43:36,090 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:36,091 INFO L477 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 891 treesize of output 730 [2018-10-26 21:43:36,091 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-10-26 21:43:36,121 INFO L267 ElimStorePlain]: Start of recursive call 187: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:46,898 INFO L477 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 2 case distinctions, treesize of input 1135 treesize of output 1125 [2018-10-26 21:43:46,902 INFO L477 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 1116 treesize of output 1110 [2018-10-26 21:43:46,902 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-10-26 21:43:46,980 INFO L477 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 1107 treesize of output 1101 [2018-10-26 21:43:46,981 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-10-26 21:43:47,055 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:47,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:43:47,057 INFO L477 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 1110 treesize of output 987 [2018-10-26 21:43:47,058 INFO L267 ElimStorePlain]: Start of recursive call 193: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:47,134 INFO L477 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 979 treesize of output 885 [2018-10-26 21:43:47,135 INFO L267 ElimStorePlain]: Start of recursive call 194: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:43:47,215 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:43:47,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:43:47,239 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1101 treesize of output 1186 [2018-10-26 21:43:47,241 INFO L267 ElimStorePlain]: Start of recursive call 195: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:43:47,483 INFO L267 ElimStorePlain]: Start of recursive call 190: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-10-26 21:43:59,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1135 treesize of output 1131 [2018-10-26 21:43:59,974 INFO L477 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 1110 treesize of output 1016 [2018-10-26 21:43:59,975 INFO L267 ElimStorePlain]: Start of recursive call 197: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:00,161 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:00,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:00,163 INFO L477 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 1016 treesize of output 893 [2018-10-26 21:44:00,164 INFO L267 ElimStorePlain]: Start of recursive call 198: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:00,338 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:00,345 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:00,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:00,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1106 treesize of output 1004 [2018-10-26 21:44:00,373 INFO L267 ElimStorePlain]: Start of recursive call 199: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:00,673 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:00,674 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:00,676 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:00,699 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1101 treesize of output 1197 [2018-10-26 21:44:00,701 INFO L267 ElimStorePlain]: Start of recursive call 200: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:44:01,200 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:01,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:01,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1104 treesize of output 1203 [2018-10-26 21:44:01,292 INFO L267 ElimStorePlain]: Start of recursive call 201: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 16 xjuncts. [2018-10-26 21:44:02,945 INFO L477 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 881 treesize of output 787 [2018-10-26 21:44:02,946 INFO L267 ElimStorePlain]: Start of recursive call 202: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:02,949 INFO L477 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 980 treesize of output 886 [2018-10-26 21:44:02,950 INFO L267 ElimStorePlain]: Start of recursive call 203: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:02,953 INFO L477 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 884 treesize of output 790 [2018-10-26 21:44:02,953 INFO L267 ElimStorePlain]: Start of recursive call 204: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:04,242 INFO L267 ElimStorePlain]: Start of recursive call 196: 6 dim-1 vars, End of recursive call: 31 dim-0 vars, and 20 xjuncts. [2018-10-26 21:44:24,502 INFO L267 ElimStorePlain]: Start of recursive call 155: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: 149 dim-0 vars, and 102 xjuncts. [2018-10-26 21:44:24,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:24,507 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:24,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1166 treesize of output 1141 [2018-10-26 21:44:24,517 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,518 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:24,521 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 978 treesize of output 1835 [2018-10-26 21:44:24,527 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:24,581 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1171 treesize of output 1159 [2018-10-26 21:44:24,595 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,596 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,597 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,602 INFO L477 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 0 case distinctions, treesize of input 1155 treesize of output 1056 [2018-10-26 21:44:24,603 INFO L267 ElimStorePlain]: Start of recursive call 208: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,621 INFO L267 ElimStorePlain]: Start of recursive call 207: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,650 INFO L267 ElimStorePlain]: Start of recursive call 205: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,654 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:24,666 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 866 treesize of output 860 [2018-10-26 21:44:24,669 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,672 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,673 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,676 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,678 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 715 treesize of output 752 [2018-10-26 21:44:24,692 INFO L267 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 2 xjuncts. [2018-10-26 21:44:24,786 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,790 INFO L477 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 0 case distinctions, treesize of input 734 treesize of output 728 [2018-10-26 21:44:24,793 INFO L477 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 289 treesize of output 195 [2018-10-26 21:44:24,794 INFO L267 ElimStorePlain]: Start of recursive call 212: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,819 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,820 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,821 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,822 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,822 INFO L477 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 231 treesize of output 225 [2018-10-26 21:44:24,823 INFO L267 ElimStorePlain]: Start of recursive call 213: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,846 INFO L267 ElimStorePlain]: Start of recursive call 211: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,849 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,852 INFO L477 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 0 case distinctions, treesize of input 719 treesize of output 713 [2018-10-26 21:44:24,855 INFO L477 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 289 treesize of output 195 [2018-10-26 21:44:24,856 INFO L267 ElimStorePlain]: Start of recursive call 215: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:24,875 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,875 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,877 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,878 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:24,886 INFO L477 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 217 treesize of output 221 [2018-10-26 21:44:24,887 INFO L267 ElimStorePlain]: Start of recursive call 216: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:24,925 INFO L267 ElimStorePlain]: Start of recursive call 214: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:24,997 INFO L267 ElimStorePlain]: Start of recursive call 209: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:25,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:25,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 949 treesize of output 957 [2018-10-26 21:44:25,038 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,039 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,039 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,050 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:25,051 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 938 treesize of output 986 [2018-10-26 21:44:25,080 INFO L267 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 2 xjuncts. [2018-10-26 21:44:25,327 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,329 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,330 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,334 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,336 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 936 treesize of output 970 [2018-10-26 21:44:25,349 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 2 xjuncts. [2018-10-26 21:44:25,594 INFO L477 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 0 case distinctions, treesize of input 836 treesize of output 826 [2018-10-26 21:44:25,597 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,598 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,598 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,599 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,600 INFO L477 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 325 treesize of output 319 [2018-10-26 21:44:25,600 INFO L267 ElimStorePlain]: Start of recursive call 221: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:25,633 INFO L477 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 283 treesize of output 189 [2018-10-26 21:44:25,633 INFO L267 ElimStorePlain]: Start of recursive call 222: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:25,661 INFO L267 ElimStorePlain]: Start of recursive call 220: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:25,667 INFO L477 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 0 case distinctions, treesize of input 905 treesize of output 897 [2018-10-26 21:44:25,670 INFO L477 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 289 treesize of output 195 [2018-10-26 21:44:25,671 INFO L267 ElimStorePlain]: Start of recursive call 224: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:25,702 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,702 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,705 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,705 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:25,712 INFO L477 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 217 treesize of output 221 [2018-10-26 21:44:25,713 INFO L267 ElimStorePlain]: Start of recursive call 225: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:25,772 INFO L267 ElimStorePlain]: Start of recursive call 223: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:26,018 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 741 treesize of output 729 [2018-10-26 21:44:26,021 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,024 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,025 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,026 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:26,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:26,046 INFO L477 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 2 case distinctions, treesize of input 325 treesize of output 529 [2018-10-26 21:44:26,047 INFO L267 ElimStorePlain]: Start of recursive call 227: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:26,118 INFO L267 ElimStorePlain]: Start of recursive call 226: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:26,121 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 811 treesize of output 799 [2018-10-26 21:44:26,124 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,129 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,130 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:26,150 INFO L477 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 2 case distinctions, treesize of input 321 treesize of output 513 [2018-10-26 21:44:26,152 INFO L267 ElimStorePlain]: Start of recursive call 229: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:26,254 INFO L267 ElimStorePlain]: Start of recursive call 228: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:26,652 INFO L477 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 977 treesize of output 923 [2018-10-26 21:44:26,808 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2018-10-26 21:44:26,817 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,823 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:26,848 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 914 treesize of output 1118 [2018-10-26 21:44:26,852 INFO L267 ElimStorePlain]: Start of recursive call 231: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-10-26 21:44:27,378 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:27,381 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:27,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:27,383 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:27,395 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:27,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 890 treesize of output 1102 [2018-10-26 21:44:27,426 INFO L267 ElimStorePlain]: Start of recursive call 232: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-10-26 21:44:28,154 INFO L267 ElimStorePlain]: Start of recursive call 230: 2 dim-1 vars, End of recursive call: 11 dim-0 vars, and 11 xjuncts. [2018-10-26 21:44:29,411 INFO L267 ElimStorePlain]: Start of recursive call 217: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 18 dim-0 vars, and 19 xjuncts. [2018-10-26 21:44:29,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:29,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 1086 treesize of output 1052 [2018-10-26 21:44:29,530 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:29,531 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:29,539 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:29,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 1033 treesize of output 871 [2018-10-26 21:44:29,556 INFO L267 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:29,668 INFO L477 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 1034 treesize of output 1033 [2018-10-26 21:44:29,669 INFO L267 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:29,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1033 treesize of output 1029 [2018-10-26 21:44:29,798 INFO L477 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 1011 treesize of output 917 [2018-10-26 21:44:29,798 INFO L267 ElimStorePlain]: Start of recursive call 237: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:29,942 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:29,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:29,945 INFO L477 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 1008 treesize of output 885 [2018-10-26 21:44:29,946 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:30,079 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:30,087 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:30,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:30,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 917 treesize of output 815 [2018-10-26 21:44:30,117 INFO L267 ElimStorePlain]: Start of recursive call 239: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:30,363 INFO L477 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 877 treesize of output 783 [2018-10-26 21:44:30,364 INFO L267 ElimStorePlain]: Start of recursive call 240: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:30,615 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:30,616 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:30,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:30,764 INFO L303 Elim1Store]: Index analysis took 155 ms [2018-10-26 21:44:30,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 999 treesize of output 1095 [2018-10-26 21:44:30,783 INFO L267 ElimStorePlain]: Start of recursive call 241: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:44:31,192 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:31,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:31,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 1002 treesize of output 1213 [2018-10-26 21:44:31,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-26 21:44:31,307 INFO L267 ElimStorePlain]: Start of recursive call 242: 34 dim-0 vars, End of recursive call: 34 dim-0 vars, and 64 xjuncts. [2018-10-26 21:44:33,642 INFO L267 ElimStorePlain]: Start of recursive call 236: 6 dim-1 vars, End of recursive call: 39 dim-0 vars, and 27 xjuncts. [2018-10-26 21:44:35,811 INFO L477 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 0 case distinctions, treesize of input 1018 treesize of output 1017 [2018-10-26 21:44:35,815 INFO L477 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 289 treesize of output 195 [2018-10-26 21:44:35,816 INFO L267 ElimStorePlain]: Start of recursive call 244: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:35,884 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 884 treesize of output 900 [2018-10-26 21:44:35,886 INFO L267 ElimStorePlain]: Start of recursive call 245: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:35,968 INFO L267 ElimStorePlain]: Start of recursive call 243: 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-10-26 21:44:38,187 INFO L477 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 2 case distinctions, treesize of input 1033 treesize of output 1023 [2018-10-26 21:44:38,190 INFO L477 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 1005 treesize of output 999 [2018-10-26 21:44:38,191 INFO L267 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:38,257 INFO L477 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 1014 treesize of output 920 [2018-10-26 21:44:38,257 INFO L267 ElimStorePlain]: Start of recursive call 248: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:38,321 INFO L477 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 920 treesize of output 914 [2018-10-26 21:44:38,321 INFO L267 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:38,385 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:38,386 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:38,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:38,396 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:38,397 INFO L477 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 914 treesize of output 805 [2018-10-26 21:44:38,397 INFO L267 ElimStorePlain]: Start of recursive call 250: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:38,472 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:38,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:38,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 999 treesize of output 1084 [2018-10-26 21:44:38,496 INFO L267 ElimStorePlain]: Start of recursive call 251: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:44:38,688 INFO L267 ElimStorePlain]: Start of recursive call 246: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-10-26 21:44:41,296 INFO L267 ElimStorePlain]: Start of recursive call 233: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 52 dim-0 vars, and 34 xjuncts. [2018-10-26 21:44:41,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:41,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1165 treesize of output 1162 [2018-10-26 21:44:41,337 INFO L477 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 1152 treesize of output 1151 [2018-10-26 21:44:41,338 INFO L267 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:41,461 INFO L477 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 1128 treesize of output 1129 [2018-10-26 21:44:41,462 INFO L267 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:41,572 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:41,575 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1129 treesize of output 1110 [2018-10-26 21:44:41,580 INFO L477 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 0 case distinctions, treesize of input 296 treesize of output 291 [2018-10-26 21:44:41,580 INFO L267 ElimStorePlain]: Start of recursive call 256: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:41,609 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:41,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:41,612 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:41,612 INFO L477 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 891 treesize of output 730 [2018-10-26 21:44:41,612 INFO L267 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:41,639 INFO L267 ElimStorePlain]: Start of recursive call 255: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:41,752 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:41,772 INFO L477 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 3 case distinctions, treesize of input 1136 treesize of output 1127 [2018-10-26 21:44:41,777 INFO L477 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 1112 treesize of output 1018 [2018-10-26 21:44:41,777 INFO L267 ElimStorePlain]: Start of recursive call 259: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:41,923 INFO L477 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 0 case distinctions, treesize of input 1100 treesize of output 1000 [2018-10-26 21:44:41,923 INFO L267 ElimStorePlain]: Start of recursive call 260: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:42,066 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:42,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:42,090 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1094 treesize of output 1179 [2018-10-26 21:44:42,091 INFO L267 ElimStorePlain]: Start of recursive call 261: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:44:42,437 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:42,439 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:42,440 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:42,440 INFO L477 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 1000 treesize of output 886 [2018-10-26 21:44:42,441 INFO L267 ElimStorePlain]: Start of recursive call 262: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:42,760 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:42,761 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:42,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:42,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 1091 treesize of output 1199 [2018-10-26 21:44:42,792 INFO L267 ElimStorePlain]: Start of recursive call 263: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-10-26 21:44:43,326 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:43,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:43,329 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:43,329 INFO L477 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 1009 treesize of output 889 [2018-10-26 21:44:43,330 INFO L267 ElimStorePlain]: Start of recursive call 264: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:43,796 INFO L267 ElimStorePlain]: Start of recursive call 258: 6 dim-1 vars, End of recursive call: 13 dim-0 vars, and 10 xjuncts. [2018-10-26 21:44:44,440 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:44,453 INFO L477 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 2 case distinctions, treesize of input 1136 treesize of output 1127 [2018-10-26 21:44:44,457 INFO L477 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 1118 treesize of output 1024 [2018-10-26 21:44:44,458 INFO L267 ElimStorePlain]: Start of recursive call 266: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:44,532 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:44,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:44,535 INFO L477 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 1015 treesize of output 892 [2018-10-26 21:44:44,536 INFO L267 ElimStorePlain]: Start of recursive call 267: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:44,613 INFO L477 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 884 treesize of output 878 [2018-10-26 21:44:44,614 INFO L267 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:44,751 INFO L477 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 1100 treesize of output 1094 [2018-10-26 21:44:44,752 INFO L267 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2018-10-26 21:44:44,844 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:44,845 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:44,847 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:44,868 INFO L477 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 1094 treesize of output 1190 [2018-10-26 21:44:44,870 INFO L267 ElimStorePlain]: Start of recursive call 270: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:44:45,092 INFO L267 ElimStorePlain]: Start of recursive call 265: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-10-26 21:44:46,014 INFO L267 ElimStorePlain]: Start of recursive call 252: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 20 dim-0 vars, and 15 xjuncts. [2018-10-26 21:44:46,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:46,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:46,039 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:46,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1067 treesize of output 1046 [2018-10-26 21:44:46,059 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:46,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:46,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 10 case distinctions, treesize of input 1006 treesize of output 1021 [2018-10-26 21:44:46,122 INFO L267 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 2 xjuncts. [2018-10-26 21:44:46,218 INFO L477 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 807 treesize of output 807 [2018-10-26 21:44:46,221 INFO L477 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 798 treesize of output 704 [2018-10-26 21:44:46,221 INFO L267 ElimStorePlain]: Start of recursive call 274: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:44:46,297 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:46,298 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:46,301 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:46,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:46,314 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:46,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 789 treesize of output 1304 [2018-10-26 21:44:46,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-26 21:44:46,382 INFO L267 ElimStorePlain]: Start of recursive call 275: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 16 xjuncts. [2018-10-26 21:44:47,055 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,059 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,060 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,060 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:44:47,064 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 704 treesize of output 802 [2018-10-26 21:44:47,072 INFO L267 ElimStorePlain]: Start of recursive call 276: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:44:47,763 INFO L267 ElimStorePlain]: Start of recursive call 273: 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 12 xjuncts. [2018-10-26 21:44:47,778 INFO L477 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 2 case distinctions, treesize of input 995 treesize of output 991 [2018-10-26 21:44:47,793 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:44:47,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 973 treesize of output 1413 [2018-10-26 21:44:47,888 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-10-26 21:44:47,945 INFO L267 ElimStorePlain]: Start of recursive call 278: 80 dim-0 vars, End of recursive call: 80 dim-0 vars, and 84 xjuncts. [2018-10-26 21:44:55,863 INFO L477 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 982 treesize of output 888 [2018-10-26 21:44:55,864 INFO L267 ElimStorePlain]: Start of recursive call 279: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:45:02,905 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:45:02,913 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:45:02,948 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 888 treesize of output 919 [2018-10-26 21:45:02,951 INFO L267 ElimStorePlain]: Start of recursive call 280: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-10-26 21:45:11,253 INFO L267 ElimStorePlain]: Start of recursive call 277: 3 dim-1 vars, End of recursive call: 95 dim-0 vars, and 72 xjuncts. [2018-10-26 21:45:21,158 INFO L267 ElimStorePlain]: Start of recursive call 271: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 105 dim-0 vars, and 80 xjuncts. [2018-10-26 21:45:21,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:45:21,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1067 treesize of output 1020 [2018-10-26 21:45:21,179 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:45:21,189 INFO L477 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 1 case distinctions, treesize of input 695 treesize of output 985 [2018-10-26 21:45:21,190 INFO L267 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 2 xjuncts. [2018-10-26 21:45:21,245 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 702 treesize of output 694 [2018-10-26 21:45:21,248 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:45:21,255 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:45:21,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:45:21,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 690 treesize of output 700 [2018-10-26 21:45:21,273 INFO L267 ElimStorePlain]: Start of recursive call 284: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:45:21,308 INFO L267 ElimStorePlain]: Start of recursive call 283: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:45:21,347 INFO L267 ElimStorePlain]: Start of recursive call 281: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:15,576 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 929 treesize of output 944 [2018-10-26 21:47:15,605 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:15,610 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 934 treesize of output 950 [2018-10-26 21:47:15,611 INFO L267 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:15,756 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,757 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:15,765 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:15,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 922 treesize of output 1042 [2018-10-26 21:47:15,771 INFO L267 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:15,901 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,904 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:15,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 948 treesize of output 932 [2018-10-26 21:47:16,178 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2018-10-26 21:47:16,183 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:16,185 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:16,222 INFO L477 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 902 treesize of output 1118 [2018-10-26 21:47:16,226 INFO L267 ElimStorePlain]: Start of recursive call 289: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 16 xjuncts. [2018-10-26 21:47:16,916 INFO L477 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 911 treesize of output 905 [2018-10-26 21:47:16,916 INFO L267 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:17,461 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:17,471 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 905 treesize of output 997 [2018-10-26 21:47:17,472 INFO L267 ElimStorePlain]: Start of recursive call 291: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:18,078 INFO L267 ElimStorePlain]: Start of recursive call 288: 3 dim-1 vars, End of recursive call: 13 dim-0 vars, and 12 xjuncts. [2018-10-26 21:47:18,842 INFO L477 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 818 treesize of output 808 [2018-10-26 21:47:18,850 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:18,852 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:18,860 INFO L477 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 1 case distinctions, treesize of input 310 treesize of output 404 [2018-10-26 21:47:18,861 INFO L267 ElimStorePlain]: Start of recursive call 293: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:18,910 INFO L477 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 [2018-10-26 21:47:18,910 INFO L267 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:18,941 INFO L267 ElimStorePlain]: Start of recursive call 292: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:19,782 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 920 treesize of output 920 [2018-10-26 21:47:19,794 INFO L477 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 902 treesize of output 902 [2018-10-26 21:47:19,795 INFO L267 ElimStorePlain]: Start of recursive call 296: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:19,910 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:19,911 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:19,912 INFO L477 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 897 treesize of output 889 [2018-10-26 21:47:19,913 INFO L267 ElimStorePlain]: Start of recursive call 297: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:19,915 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:19,916 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:19,917 INFO L477 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 802 treesize of output 794 [2018-10-26 21:47:19,917 INFO L267 ElimStorePlain]: Start of recursive call 298: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:20,042 INFO L477 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 911 treesize of output 817 [2018-10-26 21:47:20,043 INFO L267 ElimStorePlain]: Start of recursive call 299: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:20,153 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:20,154 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:20,155 INFO L477 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 817 treesize of output 803 [2018-10-26 21:47:20,156 INFO L267 ElimStorePlain]: Start of recursive call 300: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:20,272 INFO L477 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 789 treesize of output 783 [2018-10-26 21:47:20,273 INFO L267 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:20,381 INFO L267 ElimStorePlain]: Start of recursive call 295: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-10-26 21:47:21,313 INFO L267 ElimStorePlain]: Start of recursive call 285: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 19 dim-0 vars, and 17 xjuncts. [2018-10-26 21:47:21,324 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,327 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,328 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,329 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:21,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:21,340 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1164 treesize of output 1169 [2018-10-26 21:47:21,352 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:21,364 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 987 treesize of output 1107 [2018-10-26 21:47:21,368 INFO L267 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:21,417 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 1002 treesize of output 1008 [2018-10-26 21:47:21,421 INFO L477 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 999 treesize of output 993 [2018-10-26 21:47:21,421 INFO L267 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:21,471 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,481 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 978 treesize of output 888 [2018-10-26 21:47:21,483 INFO L267 ElimStorePlain]: Start of recursive call 306: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:21,555 INFO L477 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 784 treesize of output 784 [2018-10-26 21:47:21,556 INFO L267 ElimStorePlain]: Start of recursive call 307: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:21,568 INFO L477 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 685 treesize of output 685 [2018-10-26 21:47:21,568 INFO L267 ElimStorePlain]: Start of recursive call 308: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:21,674 INFO L477 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 981 treesize of output 887 [2018-10-26 21:47:21,675 INFO L267 ElimStorePlain]: Start of recursive call 309: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:21,780 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,781 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,784 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:21,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 887 treesize of output 794 [2018-10-26 21:47:21,793 INFO L267 ElimStorePlain]: Start of recursive call 310: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:21,927 INFO L267 ElimStorePlain]: Start of recursive call 304: 5 dim-1 vars, End of recursive call: 13 dim-0 vars, and 6 xjuncts. [2018-10-26 21:47:22,078 INFO L267 ElimStorePlain]: Start of recursive call 302: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 13 dim-0 vars, and 6 xjuncts. [2018-10-26 21:47:22,081 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,082 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,088 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 865 treesize of output 875 [2018-10-26 21:47:22,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-26 21:47:22,102 INFO L267 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,143 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 739 treesize of output 736 [2018-10-26 21:47:22,146 INFO L477 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 727 treesize of output 633 [2018-10-26 21:47:22,147 INFO L267 ElimStorePlain]: Start of recursive call 314: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:22,190 INFO L477 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 630 treesize of output 624 [2018-10-26 21:47:22,191 INFO L267 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,230 INFO L477 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 624 treesize of output 589 [2018-10-26 21:47:22,231 INFO L267 ElimStorePlain]: Start of recursive call 316: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:22,269 INFO L477 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 715 treesize of output 709 [2018-10-26 21:47:22,269 INFO L267 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,324 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 709 treesize of output 794 [2018-10-26 21:47:22,325 INFO L267 ElimStorePlain]: Start of recursive call 318: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:47:22,413 INFO L267 ElimStorePlain]: Start of recursive call 313: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-10-26 21:47:22,509 INFO L267 ElimStorePlain]: Start of recursive call 311: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-10-26 21:47:22,524 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 853 treesize of output 854 [2018-10-26 21:47:22,531 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,536 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 324 treesize of output 343 [2018-10-26 21:47:22,538 INFO L267 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,583 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 333 treesize of output 345 [2018-10-26 21:47:22,587 INFO L477 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 327 treesize of output 310 [2018-10-26 21:47:22,587 INFO L267 ElimStorePlain]: Start of recursive call 322: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:22,623 INFO L477 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 324 treesize of output 230 [2018-10-26 21:47:22,623 INFO L267 ElimStorePlain]: Start of recursive call 323: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:22,651 INFO L477 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 230 treesize of output 224 [2018-10-26 21:47:22,651 INFO L267 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,686 INFO L477 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 304 treesize of output 304 [2018-10-26 21:47:22,686 INFO L267 ElimStorePlain]: Start of recursive call 325: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:22,723 INFO L477 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 224 treesize of output 207 [2018-10-26 21:47:22,723 INFO L267 ElimStorePlain]: Start of recursive call 326: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:22,758 INFO L267 ElimStorePlain]: Start of recursive call 321: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-10-26 21:47:22,811 INFO L267 ElimStorePlain]: Start of recursive call 319: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-10-26 21:47:22,814 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,815 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,819 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,826 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1149 treesize of output 1139 [2018-10-26 21:47:22,830 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,832 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,834 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:22,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 883 treesize of output 1015 [2018-10-26 21:47:22,846 INFO L267 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,889 INFO L477 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 899 treesize of output 888 [2018-10-26 21:47:22,892 INFO L477 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 [2018-10-26 21:47:22,892 INFO L267 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:22,913 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,914 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,924 INFO L477 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 1 case distinctions, treesize of input 879 treesize of output 785 [2018-10-26 21:47:22,925 INFO L267 ElimStorePlain]: Start of recursive call 331: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:22,957 INFO L267 ElimStorePlain]: Start of recursive call 329: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:22,993 INFO L267 ElimStorePlain]: Start of recursive call 327: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:22,997 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:22,999 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,002 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:23,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:23,020 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1247 treesize of output 1258 [2018-10-26 21:47:23,045 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:23,055 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 1248 treesize of output 1263 [2018-10-26 21:47:23,059 INFO L267 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:23,224 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,225 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,227 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,228 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:23,237 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:23,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 1216 treesize of output 1622 [2018-10-26 21:47:23,245 INFO L267 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:23,386 INFO L477 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 1216 treesize of output 1198 [2018-10-26 21:47:23,390 INFO L477 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 [2018-10-26 21:47:23,390 INFO L267 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:23,430 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,434 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,468 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 983 treesize of output 1179 [2018-10-26 21:47:23,470 INFO L267 ElimStorePlain]: Start of recursive call 337: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:47:23,624 INFO L267 ElimStorePlain]: Start of recursive call 335: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-10-26 21:47:23,893 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,895 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,898 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:23,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1263 treesize of output 1218 [2018-10-26 21:47:24,163 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2018-10-26 21:47:24,170 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:24,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:24,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 1180 treesize of output 1500 [2018-10-26 21:47:24,247 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-26 21:47:24,264 INFO L267 ElimStorePlain]: Start of recursive call 339: 46 dim-0 vars, End of recursive call: 46 dim-0 vars, and 32 xjuncts. [2018-10-26 21:47:26,979 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:26,981 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:27,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1192 treesize of output 1397 [2018-10-26 21:47:27,012 INFO L267 ElimStorePlain]: Start of recursive call 340: 13 dim-0 vars, End of recursive call: 13 dim-0 vars, and 8 xjuncts. [2018-10-26 21:47:30,439 INFO L477 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 807 treesize of output 801 [2018-10-26 21:47:30,439 INFO L267 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,442 INFO L477 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 906 treesize of output 900 [2018-10-26 21:47:30,443 INFO L267 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,445 INFO L477 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 1082 treesize of output 1076 [2018-10-26 21:47:30,446 INFO L267 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,449 INFO L477 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 1181 treesize of output 1175 [2018-10-26 21:47:30,449 INFO L267 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,452 INFO L477 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 906 treesize of output 900 [2018-10-26 21:47:30,452 INFO L267 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,455 INFO L477 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 1005 treesize of output 999 [2018-10-26 21:47:30,455 INFO L267 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,458 INFO L477 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 983 treesize of output 977 [2018-10-26 21:47:30,458 INFO L267 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:30,461 INFO L477 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 1082 treesize of output 1076 [2018-10-26 21:47:30,462 INFO L267 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:33,764 INFO L267 ElimStorePlain]: Start of recursive call 338: 3 dim-1 vars, End of recursive call: 59 dim-0 vars, and 40 xjuncts. [2018-10-26 21:47:37,668 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 1215 treesize of output 1207 [2018-10-26 21:47:37,672 INFO L477 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 1198 treesize of output 1104 [2018-10-26 21:47:37,672 INFO L267 ElimStorePlain]: Start of recursive call 350: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:37,751 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:37,760 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 1104 treesize of output 1002 [2018-10-26 21:47:37,762 INFO L267 ElimStorePlain]: Start of recursive call 351: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:37,895 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:37,905 INFO L477 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 1189 treesize of output 1093 [2018-10-26 21:47:37,906 INFO L267 ElimStorePlain]: Start of recursive call 352: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:38,105 INFO L477 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 902 treesize of output 896 [2018-10-26 21:47:38,106 INFO L267 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:38,109 INFO L477 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 803 treesize of output 797 [2018-10-26 21:47:38,109 INFO L267 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:38,282 INFO L477 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 894 treesize of output 894 [2018-10-26 21:47:38,283 INFO L267 ElimStorePlain]: Start of recursive call 355: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:38,294 INFO L477 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 993 treesize of output 993 [2018-10-26 21:47:38,295 INFO L267 ElimStorePlain]: Start of recursive call 356: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-26 21:47:38,591 INFO L267 ElimStorePlain]: Start of recursive call 349: 5 dim-1 vars, End of recursive call: 13 dim-0 vars, and 6 xjuncts. [2018-10-26 21:47:43,508 INFO L267 ElimStorePlain]: Start of recursive call 332: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 76 dim-0 vars, and 50 xjuncts. [2018-10-26 21:47:43,512 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:43,522 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 941 treesize of output 965 [2018-10-26 21:47:43,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:43,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 947 [2018-10-26 21:47:43,550 INFO L267 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:43,683 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,685 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:43,690 INFO L477 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 0 case distinctions, treesize of input 928 treesize of output 1020 [2018-10-26 21:47:43,691 INFO L267 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:43,809 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,812 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,820 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 956 treesize of output 936 [2018-10-26 21:47:43,827 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:43,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:43,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 908 treesize of output 1114 [2018-10-26 21:47:43,872 INFO L267 ElimStorePlain]: Start of recursive call 361: 9 dim-0 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-10-26 21:47:44,483 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:44,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:47:44,488 INFO L477 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 0 case distinctions, treesize of input 917 treesize of output 914 [2018-10-26 21:47:44,489 INFO L267 ElimStorePlain]: Start of recursive call 362: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:44,944 INFO L477 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 815 treesize of output 786 [2018-10-26 21:47:44,945 INFO L267 ElimStorePlain]: Start of recursive call 363: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:45,393 INFO L267 ElimStorePlain]: Start of recursive call 360: 3 dim-1 vars, End of recursive call: 11 dim-0 vars, and 10 xjuncts. [2018-10-26 21:47:46,008 INFO L477 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 936 treesize of output 930 [2018-10-26 21:47:46,011 INFO L477 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 921 treesize of output 886 [2018-10-26 21:47:46,012 INFO L267 ElimStorePlain]: Start of recursive call 365: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:46,103 INFO L477 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 912 treesize of output 997 [2018-10-26 21:47:46,104 INFO L267 ElimStorePlain]: Start of recursive call 366: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-26 21:47:46,251 INFO L477 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 976 treesize of output 970 [2018-10-26 21:47:46,252 INFO L267 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:46,254 INFO L477 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 877 treesize of output 871 [2018-10-26 21:47:46,255 INFO L267 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:46,258 INFO L477 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 877 treesize of output 871 [2018-10-26 21:47:46,258 INFO L267 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:46,398 INFO L477 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 875 treesize of output 781 [2018-10-26 21:47:46,399 INFO L267 ElimStorePlain]: Start of recursive call 370: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:46,546 INFO L477 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 781 treesize of output 775 [2018-10-26 21:47:46,546 INFO L267 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:46,679 INFO L267 ElimStorePlain]: Start of recursive call 364: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-10-26 21:47:47,455 INFO L477 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 826 treesize of output 812 [2018-10-26 21:47:47,458 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:47,460 INFO L477 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 0 case distinctions, treesize of input 296 treesize of output 291 [2018-10-26 21:47:47,460 INFO L267 ElimStorePlain]: Start of recursive call 373: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:47,487 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:47:47,488 INFO L477 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 606 treesize of output 579 [2018-10-26 21:47:47,488 INFO L267 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2018-10-26 21:47:47,509 INFO L267 ElimStorePlain]: Start of recursive call 372: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:47:48,382 INFO L267 ElimStorePlain]: Start of recursive call 357: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 18 dim-0 vars, and 15 xjuncts. [2018-10-26 21:50:33,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:50:33,283 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:50:33,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 1541 treesize of output 1517 [2018-10-26 21:50:33,373 INFO L477 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 1564 treesize of output 1508 [2018-10-26 21:50:34,079 WARN L179 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 205 [2018-10-26 21:50:34,085 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,088 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,093 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,094 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,107 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 1473 treesize of output 1978 [2018-10-26 21:50:34,385 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2018-10-26 21:50:34,390 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,394 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1469 treesize of output 1476 [2018-10-26 21:50:34,422 INFO L267 ElimStorePlain]: Start of recursive call 378: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-10-26 21:50:34,659 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:34,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1471 treesize of output 1592 [2018-10-26 21:50:34,726 INFO L267 ElimStorePlain]: Start of recursive call 379: 28 dim-0 vars, End of recursive call: 28 dim-0 vars, and 17 xjuncts. [2018-10-26 21:50:36,123 INFO L267 ElimStorePlain]: Start of recursive call 377: 2 dim-1 vars, End of recursive call: 36 dim-0 vars, and 21 xjuncts. [2018-10-26 21:50:38,049 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:38,067 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:38,072 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:38,073 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:38,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1454 treesize of output 1779 [2018-10-26 21:50:38,139 INFO L267 ElimStorePlain]: Start of recursive call 380: 34 dim-0 vars, End of recursive call: 34 dim-0 vars, and 22 xjuncts. [2018-10-26 21:50:42,802 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:42,803 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:42,811 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:42,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1461 treesize of output 1780 [2018-10-26 21:50:42,887 INFO L267 ElimStorePlain]: Start of recursive call 381: 28 dim-0 vars, End of recursive call: 28 dim-0 vars, and 17 xjuncts. [2018-10-26 21:50:50,343 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:50,344 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:50:50,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:50:50,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1457 treesize of output 1685 [2018-10-26 21:50:50,435 INFO L267 ElimStorePlain]: Start of recursive call 382: 34 dim-0 vars, End of recursive call: 34 dim-0 vars, and 22 xjuncts. [2018-10-26 21:51:00,862 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:00,863 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:00,866 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:00,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:00,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1448 treesize of output 1682 [2018-10-26 21:51:00,956 INFO L267 ElimStorePlain]: Start of recursive call 383: 34 dim-0 vars, End of recursive call: 34 dim-0 vars, and 22 xjuncts. [2018-10-26 21:51:18,281 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:18,286 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:18,496 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:51:18,497 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_536 term size 70 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) 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:216) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-10-26 21:51:18,501 INFO L168 Benchmark]: Toolchain (without parser) took 569825.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 958.4 MB in the beginning and 973.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 713.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,501 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:51:18,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.82 ms. Allocated memory is still 1.0 GB. Free memory was 958.4 MB in the beginning and 946.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 943.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,502 INFO L168 Benchmark]: Boogie Preprocessor took 71.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,502 INFO L168 Benchmark]: RCFGBuilder took 665.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,502 INFO L168 Benchmark]: TraceAbstraction took 568827.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 156.8 MB). Peak memory consumption was 724.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:18,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.82 ms. Allocated memory is still 1.0 GB. Free memory was 958.4 MB in the beginning and 946.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 943.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 665.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 568827.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 156.8 MB). Peak memory consumption was 724.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_536 term size 70 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_536 term size 70: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:51:20,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:51:20,285 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:51:20,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:51:20,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:51:20,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:51:20,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:51:20,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:51:20,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:51:20,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:51:20,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:51:20,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:51:20,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:51:20,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:51:20,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:51:20,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:51:20,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:51:20,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:51:20,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:51:20,308 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:51:20,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:51:20,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:51:20,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:51:20,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:51:20,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:51:20,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:51:20,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:51:20,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:51:20,316 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:51:20,317 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:51:20,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:51:20,318 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:51:20,318 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:51:20,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:51:20,319 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:51:20,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:51:20,320 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:51:20,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:51:20,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:51:20,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:51:20,332 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:51:20,332 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:51:20,332 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:51:20,332 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:51:20,333 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:51:20,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:51:20,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:51:20,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:51:20,334 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:51:20,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:51:20,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:51:20,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:51:20,335 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:51:20,335 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:51:20,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:51:20,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:51:20,336 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_294ea15f-f380-47d3-b67f-43115a5c4a48/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e697b26a33773e62711271acc7c4dca91991203b [2018-10-26 21:51:20,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:51:20,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:51:20,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:51:20,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:51:20,385 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:51:20,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c [2018-10-26 21:51:20,435 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/72e31ee21/895f1926540a4e4285bdc8192ed30f11/FLAG154442de3 [2018-10-26 21:51:20,810 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:51:20,811 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/sv-benchmarks/c/ldv-regression/test27_true-unreach-call_true-termination.c [2018-10-26 21:51:20,816 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/72e31ee21/895f1926540a4e4285bdc8192ed30f11/FLAG154442de3 [2018-10-26 21:51:20,829 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/data/72e31ee21/895f1926540a4e4285bdc8192ed30f11 [2018-10-26 21:51:20,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:51:20,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:51:20,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:51:20,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:51:20,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:51:20,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:51:20" (1/1) ... [2018-10-26 21:51:20,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca949da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:20, skipping insertion in model container [2018-10-26 21:51:20,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:51:20" (1/1) ... [2018-10-26 21:51:20,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:51:20,869 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:51:21,019 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:51:21,033 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:51:21,055 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:51:21,068 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:51:21,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21 WrapperNode [2018-10-26 21:51:21,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:51:21,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:51:21,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:51:21,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:51:21,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:51:21,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:51:21,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:51:21,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:51:21,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... [2018-10-26 21:51:21,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:51:21,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:51:21,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:51:21,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:51:21,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:51:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:51:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure check [2018-10-26 21:51:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2018-10-26 21:51:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:51:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:51:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:51:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:51:21,983 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:51:21,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:51:21 BoogieIcfgContainer [2018-10-26 21:51:21,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:51:21,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:51:21,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:51:21,988 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:51:21,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:51:20" (1/3) ... [2018-10-26 21:51:21,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ad321a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:51:21, skipping insertion in model container [2018-10-26 21:51:21,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:51:21" (2/3) ... [2018-10-26 21:51:21,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ad321a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:51:21, skipping insertion in model container [2018-10-26 21:51:21,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:51:21" (3/3) ... [2018-10-26 21:51:21,993 INFO L112 eAbstractionObserver]: Analyzing ICFG test27_true-unreach-call_true-termination.c [2018-10-26 21:51:22,002 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:51:22,009 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:51:22,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:51:22,047 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:51:22,048 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:51:22,048 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:51:22,048 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:51:22,048 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:51:22,048 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:51:22,048 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:51:22,048 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:51:22,049 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:51:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-10-26 21:51:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:51:22,067 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:22,068 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:22,071 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:22,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:22,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1393741157, now seen corresponding path program 1 times [2018-10-26 21:51:22,081 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:22,082 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:22,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:22,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:22,216 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Stream Closed [2018-10-26 21:51:22,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:51:22,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 21:51:22,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 21:51:22,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 21:51:22,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:51:22,242 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2018-10-26 21:51:22,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:22,262 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2018-10-26 21:51:22,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 21:51:22,264 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 21:51:22,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:22,274 INFO L225 Difference]: With dead ends: 43 [2018-10-26 21:51:22,274 INFO L226 Difference]: Without dead ends: 21 [2018-10-26 21:51:22,277 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 21:51:22,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-26 21:51:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-10-26 21:51:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-26 21:51:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-10-26 21:51:22,312 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 16 [2018-10-26 21:51:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:22,313 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-10-26 21:51:22,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 21:51:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-26 21:51:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 21:51:22,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:22,315 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:22,315 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:22,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:22,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2141031930, now seen corresponding path program 1 times [2018-10-26 21:51:22,316 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:22,316 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:22,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:22,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:22,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:51:22,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:51:22,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:51:22,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:51:22,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:51:22,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:51:22,494 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2018-10-26 21:51:22,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:22,561 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-10-26 21:51:22,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:51:22,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-26 21:51:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:22,565 INFO L225 Difference]: With dead ends: 36 [2018-10-26 21:51:22,565 INFO L226 Difference]: Without dead ends: 24 [2018-10-26 21:51:22,566 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:51:22,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-10-26 21:51:22,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2018-10-26 21:51:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-10-26 21:51:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-10-26 21:51:22,572 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 19 [2018-10-26 21:51:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:22,572 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-10-26 21:51:22,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:51:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-26 21:51:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 21:51:22,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:22,575 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:22,575 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:22,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash -415529757, now seen corresponding path program 1 times [2018-10-26 21:51:22,576 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:22,576 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:22,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:22,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:22,810 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:22,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:51:22,871 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:22,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:22,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:22,943 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:23,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-10-26 21:51:23,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4] total 6 [2018-10-26 21:51:23,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:51:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:51:23,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:51:23,037 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 6 states. [2018-10-26 21:51:23,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:23,140 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2018-10-26 21:51:23,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:51:23,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-10-26 21:51:23,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:23,145 INFO L225 Difference]: With dead ends: 44 [2018-10-26 21:51:23,146 INFO L226 Difference]: Without dead ends: 32 [2018-10-26 21:51:23,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:51:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-10-26 21:51:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-10-26 21:51:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-26 21:51:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-10-26 21:51:23,150 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2018-10-26 21:51:23,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:23,151 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-10-26 21:51:23,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:51:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-26 21:51:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 21:51:23,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:23,152 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:23,152 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:23,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:23,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1851532102, now seen corresponding path program 2 times [2018-10-26 21:51:23,153 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:23,153 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:23,180 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-10-26 21:51:23,482 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-10-26 21:51:23,482 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:51:23,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:23,671 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-26 21:51:23,716 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:23,722 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:51:23,914 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-10-26 21:51:23,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:23,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:23,929 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:23,931 INFO L477 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 19 treesize of output 13 [2018-10-26 21:51:23,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:23,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:23,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:23,955 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-10-26 21:51:24,244 INFO L303 Elim1Store]: Index analysis took 185 ms [2018-10-26 21:51:24,245 INFO L477 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 46 [2018-10-26 21:51:24,274 INFO L477 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 [2018-10-26 21:51:24,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:24,675 INFO L303 Elim1Store]: Index analysis took 170 ms [2018-10-26 21:51:24,676 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-10-26 21:51:24,716 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:24,717 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,092 INFO L303 Elim1Store]: Index analysis took 235 ms [2018-10-26 21:51:25,093 INFO L477 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 31 treesize of output 40 [2018-10-26 21:51:25,112 INFO L477 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 [2018-10-26 21:51:25,113 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,235 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,311 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,803 INFO L477 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 87 treesize of output 61 [2018-10-26 21:51:25,821 INFO L477 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 21 treesize of output 20 [2018-10-26 21:51:25,821 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 60 treesize of output 64 [2018-10-26 21:51:25,909 INFO L477 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 17 treesize of output 16 [2018-10-26 21:51:25,910 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:25,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:26,006 INFO L477 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 50 treesize of output 85 [2018-10-26 21:51:26,016 INFO L477 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 [2018-10-26 21:51:26,016 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,044 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,093 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,113 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,257 INFO L477 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 14 [2018-10-26 21:51:26,265 INFO L477 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 [2018-10-26 21:51:26,265 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,277 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:26,404 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 6 variables, input treesize:271, output treesize:194 [2018-10-26 21:51:26,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:26,513 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:26,529 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 206 [2018-10-26 21:51:26,567 INFO L477 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 103 treesize of output 59 [2018-10-26 21:51:26,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,671 INFO L477 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 89 treesize of output 56 [2018-10-26 21:51:26,672 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,704 INFO L477 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 31 [2018-10-26 21:51:26,704 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,813 INFO L477 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 70 [2018-10-26 21:51:26,819 INFO L477 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 19 treesize of output 15 [2018-10-26 21:51:26,820 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,837 INFO L477 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 10 treesize of output 4 [2018-10-26 21:51:26,837 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,852 INFO L477 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 19 [2018-10-26 21:51:26,852 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,860 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,876 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 1 xjuncts. [2018-10-26 21:51:26,876 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:270, output treesize:30 [2018-10-26 21:51:26,937 INFO L477 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 30 treesize of output 24 [2018-10-26 21:51:26,940 INFO L477 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 11 [2018-10-26 21:51:26,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:26,957 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:16 [2018-10-26 21:51:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:51:27,024 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 21:51:27,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:51:27,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:51:27,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:51:27,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:51:27,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:51:27,036 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 6 states. [2018-10-26 21:51:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:27,596 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2018-10-26 21:51:27,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:51:27,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-10-26 21:51:27,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:27,598 INFO L225 Difference]: With dead ends: 42 [2018-10-26 21:51:27,598 INFO L226 Difference]: Without dead ends: 35 [2018-10-26 21:51:27,598 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:51:27,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-26 21:51:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-26 21:51:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-26 21:51:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-10-26 21:51:27,602 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 31 [2018-10-26 21:51:27,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:27,603 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-10-26 21:51:27,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:51:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-26 21:51:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 21:51:27,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:27,604 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:27,604 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:27,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:27,604 INFO L82 PathProgramCache]: Analyzing trace with hash 820784088, now seen corresponding path program 1 times [2018-10-26 21:51:27,604 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:27,605 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:27,621 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:51:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:27,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:51:27,814 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:51:27,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:51:27,933 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:27,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:51:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:28,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:51:28,004 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:51:28,049 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-10-26 21:51:28,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 12 [2018-10-26 21:51:28,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 21:51:28,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 21:51:28,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:51:28,051 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 12 states. [2018-10-26 21:51:28,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:28,486 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-10-26 21:51:28,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 21:51:28,490 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-10-26 21:51:28,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:28,491 INFO L225 Difference]: With dead ends: 68 [2018-10-26 21:51:28,491 INFO L226 Difference]: Without dead ends: 53 [2018-10-26 21:51:28,491 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-10-26 21:51:28,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-10-26 21:51:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-10-26 21:51:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-26 21:51:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-10-26 21:51:28,500 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 34 [2018-10-26 21:51:28,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:28,500 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-10-26 21:51:28,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 21:51:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-26 21:51:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:51:28,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:28,502 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:28,502 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:28,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:28,503 INFO L82 PathProgramCache]: Analyzing trace with hash 703086008, now seen corresponding path program 2 times [2018-10-26 21:51:28,503 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:28,503 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:28,517 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-10-26 21:51:30,360 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 21:51:30,360 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:51:30,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:30,882 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-26 21:51:30,884 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:30,885 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:51:30,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:30,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:30,930 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:30,931 INFO L477 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 19 treesize of output 13 [2018-10-26 21:51:30,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:30,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:30,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:30,950 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:28 [2018-10-26 21:51:31,660 INFO L303 Elim1Store]: Index analysis took 285 ms [2018-10-26 21:51:31,660 INFO L477 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 46 [2018-10-26 21:51:31,700 INFO L477 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 [2018-10-26 21:51:31,701 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:31,925 INFO L303 Elim1Store]: Index analysis took 115 ms [2018-10-26 21:51:31,926 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-10-26 21:51:31,940 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:31,940 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,273 INFO L303 Elim1Store]: Index analysis took 239 ms [2018-10-26 21:51:32,274 INFO L477 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 31 treesize of output 40 [2018-10-26 21:51:32,287 INFO L477 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 [2018-10-26 21:51:32,287 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,389 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,455 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,863 INFO L477 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 87 treesize of output 61 [2018-10-26 21:51:32,873 INFO L477 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 21 treesize of output 20 [2018-10-26 21:51:32,873 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:32,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 60 treesize of output 64 [2018-10-26 21:51:32,975 INFO L477 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 17 treesize of output 16 [2018-10-26 21:51:32,976 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:33,216 INFO L303 Elim1Store]: Index analysis took 206 ms [2018-10-26 21:51:33,217 INFO L477 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 50 treesize of output 85 [2018-10-26 21:51:33,234 INFO L477 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 [2018-10-26 21:51:33,235 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,291 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,310 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,329 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,479 INFO L477 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 14 [2018-10-26 21:51:33,485 INFO L477 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 [2018-10-26 21:51:33,486 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,495 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:33,590 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 6 variables, input treesize:271, output treesize:194 [2018-10-26 21:51:33,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:33,822 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:33,822 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:33,836 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 188 [2018-10-26 21:51:33,846 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:33,847 INFO L477 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 95 treesize of output 71 [2018-10-26 21:51:33,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,894 INFO L477 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 19 [2018-10-26 21:51:33,894 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,926 INFO L477 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 33 [2018-10-26 21:51:33,927 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,941 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:33,989 INFO L477 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 72 [2018-10-26 21:51:33,995 INFO L477 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 23 treesize of output 11 [2018-10-26 21:51:33,995 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,010 INFO L477 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 6 treesize of output 4 [2018-10-26 21:51:34,010 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,038 INFO L477 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 21 [2018-10-26 21:51:34,039 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,045 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,059 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 1 xjuncts. [2018-10-26 21:51:34,059 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:270, output treesize:32 [2018-10-26 21:51:34,391 INFO L477 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 30 treesize of output 24 [2018-10-26 21:51:34,396 INFO L477 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 9 [2018-10-26 21:51:34,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,401 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:34,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:16 [2018-10-26 21:51:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:34,501 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:35,192 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 1 [2018-10-26 21:51:35,193 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:35,193 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 4 variables, input treesize:2116, output treesize:1 [2018-10-26 21:51:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 21:51:35,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:51:35,206 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:51:35,212 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 21:51:35,615 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 21:51:35,615 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:51:35,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:35,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:35,652 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:51:35,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:35,676 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:35,677 INFO L477 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 [2018-10-26 21:51:35,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:35,682 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:35,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:35,710 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:22 [2018-10-26 21:51:36,569 INFO L477 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 87 treesize of output 52 [2018-10-26 21:51:36,599 INFO L477 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 12 treesize of output 11 [2018-10-26 21:51:36,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:36,941 INFO L303 Elim1Store]: Index analysis took 199 ms [2018-10-26 21:51:36,941 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-10-26 21:51:36,961 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:36,961 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:37,311 INFO L303 Elim1Store]: Index analysis took 213 ms [2018-10-26 21:51:37,312 INFO L477 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 37 treesize of output 46 [2018-10-26 21:51:37,329 INFO L477 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 [2018-10-26 21:51:37,330 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:37,429 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:37,506 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:37,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:37,951 INFO L477 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 46 [2018-10-26 21:51:37,962 INFO L477 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 16 [2018-10-26 21:51:37,962 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,058 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-10-26 21:51:38,067 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:38,067 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,144 INFO L477 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 40 treesize of output 49 [2018-10-26 21:51:38,151 INFO L477 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 [2018-10-26 21:51:38,151 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,180 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,200 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,220 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,324 INFO L477 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 23 [2018-10-26 21:51:38,332 INFO L477 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 23 treesize of output 22 [2018-10-26 21:51:38,332 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,341 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:38,434 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:271, output treesize:196 [2018-10-26 21:51:38,813 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:38,829 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 212 [2018-10-26 21:51:38,840 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:38,841 INFO L477 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 0 case distinctions, treesize of input 132 treesize of output 105 [2018-10-26 21:51:38,842 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:38,886 INFO L477 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 33 [2018-10-26 21:51:38,887 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,914 INFO L477 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 19 [2018-10-26 21:51:38,914 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:38,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:39,083 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-10-26 21:51:39,083 INFO L477 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 72 [2018-10-26 21:51:39,102 INFO L477 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 23 treesize of output 11 [2018-10-26 21:51:39,103 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,238 INFO L477 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 21 [2018-10-26 21:51:39,238 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,349 INFO L477 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 6 treesize of output 4 [2018-10-26 21:51:39,350 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,443 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:39,570 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:279, output treesize:32 [2018-10-26 21:51:39,638 INFO L477 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 30 treesize of output 24 [2018-10-26 21:51:39,641 INFO L477 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 9 [2018-10-26 21:51:39,641 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,658 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:16 [2018-10-26 21:51:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 21:51:39,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:39,776 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:39,776 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 7 variables, input treesize:2116, output treesize:1 [2018-10-26 21:51:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 21:51:39,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-10-26 21:51:39,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7, 17, 7] total 34 [2018-10-26 21:51:39,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-10-26 21:51:39,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-10-26 21:51:39,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2018-10-26 21:51:39,802 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 34 states. [2018-10-26 21:51:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:51:44,177 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2018-10-26 21:51:44,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-26 21:51:44,178 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-10-26 21:51:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:51:44,179 INFO L225 Difference]: With dead ends: 70 [2018-10-26 21:51:44,179 INFO L226 Difference]: Without dead ends: 63 [2018-10-26 21:51:44,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=210, Invalid=1596, Unknown=0, NotChecked=0, Total=1806 [2018-10-26 21:51:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-10-26 21:51:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2018-10-26 21:51:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-26 21:51:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2018-10-26 21:51:44,189 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 52 [2018-10-26 21:51:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:51:44,189 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2018-10-26 21:51:44,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-10-26 21:51:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2018-10-26 21:51:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 21:51:44,190 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:51:44,190 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:51:44,191 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:51:44,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:51:44,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1196622502, now seen corresponding path program 3 times [2018-10-26 21:51:44,191 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:51:44,191 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_294ea15f-f380-47d3-b67f-43115a5c4a48/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 [2018-10-26 21:51:44,207 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-10-26 21:51:44,853 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 21:51:44,853 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:51:44,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:51:45,008 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:45,009 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-10-26 21:51:45,027 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:45,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:51:45,029 INFO L477 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 [2018-10-26 21:51:45,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:45,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:45,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:45,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-10-26 21:51:45,515 INFO L303 Elim1Store]: Index analysis took 388 ms [2018-10-26 21:51:45,516 INFO L477 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 87 treesize of output 52 [2018-10-26 21:51:45,571 INFO L477 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 12 treesize of output 11 [2018-10-26 21:51:45,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:46,104 INFO L303 Elim1Store]: Index analysis took 198 ms [2018-10-26 21:51:46,105 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-10-26 21:51:46,125 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:46,126 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:46,616 INFO L303 Elim1Store]: Index analysis took 322 ms [2018-10-26 21:51:46,617 INFO L477 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 37 treesize of output 46 [2018-10-26 21:51:46,636 INFO L477 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 [2018-10-26 21:51:46,636 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:46,774 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:46,910 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,572 INFO L477 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 46 [2018-10-26 21:51:47,584 INFO L477 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 [2018-10-26 21:51:47,584 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,662 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-10-26 21:51:47,670 INFO L477 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 13 treesize of output 12 [2018-10-26 21:51:47,670 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,742 INFO L477 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 31 treesize of output 40 [2018-10-26 21:51:47,749 INFO L477 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 [2018-10-26 21:51:47,750 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,772 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,791 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,815 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,916 INFO L477 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 14 [2018-10-26 21:51:47,923 INFO L477 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 [2018-10-26 21:51:47,923 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:47,932 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:48,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 21:51:48,025 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 5 variables, input treesize:274, output treesize:193 [2018-10-26 21:51:48,488 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-10-26 21:51:49,242 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-26 21:51:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-10-26 21:51:49,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:51:53,587 WARN L179 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2018-10-26 21:51:53,608 INFO L477 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 1554 treesize of output 1066 [2018-10-26 21:51:53,636 INFO L477 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 546 treesize of output 10 [2018-10-26 21:51:53,636 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:53,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:53,970 INFO L303 Elim1Store]: Index analysis took 152 ms [2018-10-26 21:51:54,103 INFO L477 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 1551 treesize of output 1311 [2018-10-26 21:51:54,140 INFO L477 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 1306 treesize of output 1038 [2018-10-26 21:51:54,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:54,548 INFO L477 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 1033 treesize of output 497 [2018-10-26 21:51:54,549 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:56,832 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (let ((.cse9 (bvmul (_ bv4 32) main_~i~0))) (let ((.cse4 (bvadd .cse9 |main_~#dummies~0.offset| (_ bv4 32)))) (let ((.cse0 (let ((.cse7 (let ((.cse8 (store |#memory_$Pointer$.offset| |main_~#dummy~0.base| (store (select |#memory_$Pointer$.offset| |main_~#dummy~0.base|) |main_~#dummy~0.offset| (bvadd |main_~#a~0.offset| .cse9 (_ bv4294967292 32)))))) (store .cse8 |main_~#dummies~0.base| (store (select .cse8 |main_~#dummies~0.base|) .cse4 |main_~#dummy~0.offset|))))) (store .cse7 |main_~#cont~0.base| (store (select .cse7 |main_~#cont~0.base|) |main_~#cont~0.offset| (bvadd |main_~#dummies~0.offset| (_ bv4 32))))))) (let ((.cse1 (select (let ((.cse5 (let ((.cse6 (store |#memory_$Pointer$.base| |main_~#dummy~0.base| (store (select |#memory_$Pointer$.base| |main_~#dummy~0.base|) |main_~#dummy~0.offset| |main_~#a~0.base|)))) (store .cse6 |main_~#dummies~0.base| (store (select .cse6 |main_~#dummies~0.base|) .cse4 |main_~#dummy~0.base|))))) (store .cse5 |main_~#cont~0.base| (store (select .cse5 |main_~#cont~0.base|) |main_~#cont~0.offset| |main_~#dummies~0.base|))) |main_~#dummies~0.base|)) (.cse3 (select .cse0 |main_~#dummies~0.base|))) (= (bvadd (let ((.cse2 (bvadd (bvmul (_ bv4 32) v_subst_1) |main_~#dummies~0.offset| (_ bv8 32)))) (select (select .cse0 (select .cse1 .cse2)) (select .cse3 .cse2))) (_ bv4 32)) (bvadd (select (select .cse0 (select .cse1 .cse4)) (select .cse3 .cse4)) (_ bv4 32))))))) [2018-10-26 21:51:56,872 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:51:56,874 INFO L303 Elim1Store]: Index analysis took 2074 ms [2018-10-26 21:51:56,874 INFO L477 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 819 treesize of output 553 [2018-10-26 21:51:56,875 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 21:51:57,312 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-26 21:51:58,151 INFO L477 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 790 treesize of output 544 [2018-10-26 21:51:58,186 INFO L477 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 [2018-10-26 21:51:58,186 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 21:51:58,562 INFO L303 Elim1Store]: Index analysis took 127 ms [2018-10-26 21:51:58,729 INFO L477 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 534 treesize of output 435 [2018-10-26 21:52:04,439 WARN L179 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 174 DAG size of output: 170 [2018-10-26 21:52:04,489 INFO L477 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 593 treesize of output 592 [2018-10-26 21:52:04,490 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,519 INFO L477 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 678 treesize of output 677 [2018-10-26 21:52:04,520 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,533 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,533 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,541 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,541 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,558 INFO L477 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 618 treesize of output 617 [2018-10-26 21:52:04,558 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,569 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,569 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,586 INFO L477 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 575 treesize of output 574 [2018-10-26 21:52:04,586 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,608 INFO L477 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 662 treesize of output 661 [2018-10-26 21:52:04,609 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,620 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,621 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,642 INFO L477 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 486 treesize of output 485 [2018-10-26 21:52:04,643 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,669 INFO L477 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 542 treesize of output 541 [2018-10-26 21:52:04,670 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,692 INFO L477 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 680 treesize of output 679 [2018-10-26 21:52:04,693 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,713 INFO L477 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 345 treesize of output 344 [2018-10-26 21:52:04,714 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,732 INFO L477 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 624 treesize of output 623 [2018-10-26 21:52:04,733 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,750 INFO L477 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 401 treesize of output 400 [2018-10-26 21:52:04,750 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,770 INFO L477 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 637 treesize of output 636 [2018-10-26 21:52:04,771 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,780 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,780 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,792 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,793 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,833 INFO L477 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 581 treesize of output 580 [2018-10-26 21:52:04,833 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,866 INFO L477 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 674 treesize of output 673 [2018-10-26 21:52:04,867 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,883 INFO L477 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 599 treesize of output 598 [2018-10-26 21:52:04,884 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,905 INFO L477 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 821 treesize of output 820 [2018-10-26 21:52:04,905 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,916 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:04,916 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,939 INFO L477 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 597 treesize of output 596 [2018-10-26 21:52:04,940 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,959 INFO L477 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 718 treesize of output 717 [2018-10-26 21:52:04,960 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:04,991 INFO L477 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 519 treesize of output 518 [2018-10-26 21:52:04,992 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,025 INFO L477 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 622 treesize of output 621 [2018-10-26 21:52:05,026 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,056 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:05,056 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,079 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:05,080 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,109 INFO L477 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 438 treesize of output 437 [2018-10-26 21:52:05,109 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,137 INFO L477 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 740 treesize of output 739 [2018-10-26 21:52:05,138 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,170 INFO L477 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 515 treesize of output 514 [2018-10-26 21:52:05,171 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,188 INFO L477 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 565 treesize of output 564 [2018-10-26 21:52:05,189 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,203 INFO L477 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 339 treesize of output 338 [2018-10-26 21:52:05,204 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,241 INFO L477 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 519 treesize of output 518 [2018-10-26 21:52:05,241 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,255 INFO L477 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 571 treesize of output 570 [2018-10-26 21:52:05,256 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,278 INFO L477 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 577 treesize of output 576 [2018-10-26 21:52:05,278 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,295 INFO L477 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 494 treesize of output 493 [2018-10-26 21:52:05,296 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,316 INFO L477 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 521 treesize of output 520 [2018-10-26 21:52:05,317 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,337 INFO L477 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 662 treesize of output 661 [2018-10-26 21:52:05,337 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,353 INFO L477 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 422 treesize of output 421 [2018-10-26 21:52:05,354 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,376 INFO L477 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 765 treesize of output 764 [2018-10-26 21:52:05,377 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,385 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:52:05,385 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:05,402 INFO L477 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 395 treesize of output 394 [2018-10-26 21:52:05,402 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:16,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:16,045 INFO L477 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 363 treesize of output 360 [2018-10-26 21:52:16,046 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:16,109 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:16,127 INFO L477 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 414 treesize of output 423 [2018-10-26 21:52:16,127 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:16,300 INFO L477 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 399 treesize of output 410 [2018-10-26 21:52:16,301 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-10-26 21:52:16,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:16,383 INFO L477 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 460 treesize of output 457 [2018-10-26 21:52:16,384 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:16,671 INFO L477 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 496 treesize of output 507 [2018-10-26 21:52:16,672 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-10-26 21:52:16,956 INFO L477 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 415 treesize of output 426 [2018-10-26 21:52:16,957 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-10-26 21:52:17,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:17,270 INFO L303 Elim1Store]: Index analysis took 313 ms [2018-10-26 21:52:17,271 INFO L477 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 316 treesize of output 313 [2018-10-26 21:52:17,272 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:17,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:17,340 INFO L477 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 413 treesize of output 410 [2018-10-26 21:52:17,340 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:17,616 INFO L477 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 471 treesize of output 482 [2018-10-26 21:52:17,617 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-10-26 21:52:17,663 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:17,688 INFO L477 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 470 treesize of output 479 [2018-10-26 21:52:17,688 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-10-26 21:52:26,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:26,855 INFO L303 Elim1Store]: Index analysis took 239 ms [2018-10-26 21:52:26,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 415 treesize of output 1032 [2018-10-26 21:52:27,025 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:27,027 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:27,132 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:27,134 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-10-26 21:52:33,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 777 treesize of output 1089 [2018-10-26 21:52:33,312 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 3 xjuncts. [2018-10-26 21:52:41,839 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:41,848 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:42,005 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:42,021 INFO L303 Elim1Store]: Index analysis took 213 ms [2018-10-26 21:52:42,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 697 treesize of output 1030 [2018-10-26 21:52:42,238 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 3 xjuncts. [2018-10-26 21:52:48,027 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:48,030 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:48,032 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 928 treesize of output 541 [2018-10-26 21:52:48,630 WARN L179 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2018-10-26 21:52:48,857 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:48,894 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:49,088 INFO L303 Elim1Store]: Index analysis took 456 ms [2018-10-26 21:52:49,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 138 [2018-10-26 21:52:49,183 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 13 xjuncts. [2018-10-26 21:52:51,110 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 21:52:56,408 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:52:56,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:52:56,546 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-10-26 21:52:56,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 553 treesize of output 631 [2018-10-26 21:52:59,947 WARN L179 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2018-10-26 21:52:59,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:53:00,016 INFO L477 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 0 case distinctions, treesize of input 440 treesize of output 423 [2018-10-26 21:53:00,900 WARN L179 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2018-10-26 21:53:01,846 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:01,885 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:01,885 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:01,890 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:01,893 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:01,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:53:01,944 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:02,014 INFO L303 Elim1Store]: Index analysis took 1112 ms [2018-10-26 21:53:02,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 119 [2018-10-26 21:53:02,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 85 [2018-10-26 21:53:02,248 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-10-26 21:53:02,935 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:53:03,283 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:53:03,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:53:03,396 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:03,431 INFO L303 Elim1Store]: Index analysis took 146 ms [2018-10-26 21:53:03,431 INFO L477 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 0 case distinctions, treesize of input 449 treesize of output 424 [2018-10-26 21:53:03,899 WARN L179 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2018-10-26 21:53:03,914 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:03,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 21:53:03,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 93 [2018-10-26 21:53:04,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 21:53:04,090 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-10-26 21:53:04,828 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:53:05,105 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:53:05,139 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:53:05,140 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-10-26 21:53:06,517 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:06,519 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:06,624 INFO L303 Elim1Store]: Index analysis took 211 ms [2018-10-26 21:53:06,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 545 treesize of output 617 [2018-10-26 21:53:08,187 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 135 DAG size of output: 73 [2018-10-26 21:53:08,196 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-26 21:53:08,196 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-10-26 21:53:08,344 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:08,366 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:08,385 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:08,399 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:08,448 INFO L303 Elim1Store]: Index analysis took 250 ms [2018-10-26 21:53:08,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 515 treesize of output 555 [2018-10-26 21:53:08,544 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-10-26 21:53:09,222 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:09,275 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:09,372 INFO L303 Elim1Store]: Index analysis took 316 ms [2018-10-26 21:53:09,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 518 treesize of output 608 [2018-10-26 21:53:09,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-26 21:53:09,660 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 18 xjuncts. [2018-10-26 21:53:11,406 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 21:53:12,570 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:12,598 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:12,611 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 21:53:12,689 INFO L303 Elim1Store]: Index analysis took 216 ms [2018-10-26 21:53:15,072 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:53:15,073 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_17 term size 60 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) 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:234) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-10-26 21:53:15,076 INFO L168 Benchmark]: Toolchain (without parser) took 114242.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 442.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:15,076 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-10-26 21:53:15,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:15,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:15,077 INFO L168 Benchmark]: Boogie Preprocessor took 66.83 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:15,077 INFO L168 Benchmark]: RCFGBuilder took 805.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:15,077 INFO L168 Benchmark]: TraceAbstraction took 113090.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 445.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:15,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 234.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.83 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 805.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 113090.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 445.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_17 term size 60 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_17 term size 60: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...