/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-fpi/ss1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:34:48,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:34:48,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:34:48,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:34:48,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:34:48,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:34:48,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:34:48,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:34:48,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:34:48,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:34:48,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:34:48,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:34:48,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:34:48,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:34:48,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:34:48,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:34:48,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:34:48,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:34:48,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:34:48,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:34:48,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:34:48,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:34:48,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:34:48,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:34:48,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:34:48,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:34:48,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:34:48,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:34:48,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:34:48,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:34:48,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:34:48,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:34:48,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:34:48,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:34:48,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:34:48,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:34:48,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:34:48,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:34:48,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:34:48,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:34:48,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:34:48,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:34:48,322 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:34:48,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:34:48,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:34:48,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:34:48,328 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:34:48,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:34:48,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:34:48,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:34:48,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:34:48,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:34:48,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:34:48,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:34:48,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:34:48,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:34:48,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:34:48,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:34:48,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:34:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:34:48,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:34:48,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:34:48,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:34:48,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:34:48,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:34:48,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:34:48,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:34:48,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:34:48,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:34:48,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:34:48,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:34:48,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:34:48,759 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:34:48,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ss1.c [2020-12-23 01:34:48,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/974ced97d/12c9a6f4b40a44d2870c1101aca82fcc/FLAG0d90a331b [2020-12-23 01:34:49,582 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:34:49,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/ss1.c [2020-12-23 01:34:49,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/974ced97d/12c9a6f4b40a44d2870c1101aca82fcc/FLAG0d90a331b [2020-12-23 01:34:49,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/974ced97d/12c9a6f4b40a44d2870c1101aca82fcc [2020-12-23 01:34:49,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:34:49,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:34:49,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:34:49,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:34:49,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:34:49,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:34:49" (1/1) ... [2020-12-23 01:34:49,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317859d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:49, skipping insertion in model container [2020-12-23 01:34:49,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:34:49" (1/1) ... [2020-12-23 01:34:49,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:34:49,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:34:50,133 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/ss1.c[586,599] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] [2020-12-23 01:34:50,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:34:50,167 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:34:50,182 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/ss1.c[586,599] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[8],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] [2020-12-23 01:34:50,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:34:50,218 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:34:50,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50 WrapperNode [2020-12-23 01:34:50,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:34:50,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:34:50,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:34:50,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:34:50,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:34:50,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:34:50,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:34:50,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:34:50,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... [2020-12-23 01:34:50,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:34:50,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:34:50,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:34:50,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:34:50,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/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 [2020-12-23 01:34:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:34:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:34:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 01:34:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 01:34:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:34:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:34:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 01:34:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 01:34:50,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:34:50,895 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-23 01:34:50,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:34:50 BoogieIcfgContainer [2020-12-23 01:34:50,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:34:50,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:34:50,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:34:50,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:34:50,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:34:49" (1/3) ... [2020-12-23 01:34:50,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d81011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:34:50, skipping insertion in model container [2020-12-23 01:34:50,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:50" (2/3) ... [2020-12-23 01:34:50,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d81011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:34:50, skipping insertion in model container [2020-12-23 01:34:50,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:34:50" (3/3) ... [2020-12-23 01:34:50,909 INFO L111 eAbstractionObserver]: Analyzing ICFG ss1.c [2020-12-23 01:34:50,917 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:34:50,924 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:34:50,949 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:34:51,012 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:34:51,012 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:34:51,012 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:34:51,013 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:34:51,013 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:34:51,014 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:34:51,014 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:34:51,014 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:34:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-12-23 01:34:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 01:34:51,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:51,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:51,054 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:51,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1202110748, now seen corresponding path program 1 times [2020-12-23 01:34:51,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:51,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242043054] [2020-12-23 01:34:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:51,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242043054] [2020-12-23 01:34:51,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:34:51,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:34:51,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228279090] [2020-12-23 01:34:51,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 01:34:51,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:51,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 01:34:51,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:34:51,287 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-12-23 01:34:51,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:51,307 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2020-12-23 01:34:51,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 01:34:51,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-23 01:34:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:51,319 INFO L225 Difference]: With dead ends: 44 [2020-12-23 01:34:51,319 INFO L226 Difference]: Without dead ends: 20 [2020-12-23 01:34:51,323 INFO L677 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 [2020-12-23 01:34:51,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-23 01:34:51,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-23 01:34:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-23 01:34:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-12-23 01:34:51,362 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2020-12-23 01:34:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:51,362 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-12-23 01:34:51,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 01:34:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-23 01:34:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 01:34:51,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:51,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:51,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:34:51,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash -944124056, now seen corresponding path program 1 times [2020-12-23 01:34:51,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:51,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850530680] [2020-12-23 01:34:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:51,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850530680] [2020-12-23 01:34:51,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:34:51,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:34:51,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926018294] [2020-12-23 01:34:51,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:34:51,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:51,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:34:51,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:34:51,457 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 4 states. [2020-12-23 01:34:51,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:51,539 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-12-23 01:34:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:34:51,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-12-23 01:34:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:51,540 INFO L225 Difference]: With dead ends: 41 [2020-12-23 01:34:51,541 INFO L226 Difference]: Without dead ends: 28 [2020-12-23 01:34:51,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:34:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-23 01:34:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2020-12-23 01:34:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-23 01:34:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-12-23 01:34:51,550 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2020-12-23 01:34:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:51,550 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-12-23 01:34:51,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:34:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-23 01:34:51,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 01:34:51,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:51,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:51,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:34:51,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:51,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:51,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1401448688, now seen corresponding path program 1 times [2020-12-23 01:34:51,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:51,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598094650] [2020-12-23 01:34:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:51,589 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:51,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832189174] [2020-12-23 01:34:51,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:51,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 01:34:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:51,808 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 10 treesize of output 8 [2020-12-23 01:34:51,818 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:51,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:51,839 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:51,840 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:51,850 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:51,852 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:51,853 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-23 01:34:51,887 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:34:51,890 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:51,902 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:51,904 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:51,904 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2020-12-23 01:34:52,021 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2020-12-23 01:34:52,024 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:52,036 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,036 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:29 [2020-12-23 01:34:52,106 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2020-12-23 01:34:52,108 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:52,120 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,121 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:31 [2020-12-23 01:34:52,241 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2020-12-23 01:34:52,244 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:52,258 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:52,259 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:31 [2020-12-23 01:34:52,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:52,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:52,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:52,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:34:52,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:34:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:52,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598094650] [2020-12-23 01:34:52,464 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:52,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832189174] [2020-12-23 01:34:52,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:52,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:34:52,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849106907] [2020-12-23 01:34:52,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:34:52,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:52,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:34:52,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:34:52,471 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 15 states. [2020-12-23 01:34:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:53,178 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2020-12-23 01:34:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 01:34:53,178 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 23 [2020-12-23 01:34:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:53,180 INFO L225 Difference]: With dead ends: 43 [2020-12-23 01:34:53,180 INFO L226 Difference]: Without dead ends: 39 [2020-12-23 01:34:53,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2020-12-23 01:34:53,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-23 01:34:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-12-23 01:34:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-23 01:34:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2020-12-23 01:34:53,189 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 23 [2020-12-23 01:34:53,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:53,189 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2020-12-23 01:34:53,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:34:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2020-12-23 01:34:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 01:34:53,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:53,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:53,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:34:53,405 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:53,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1774307726, now seen corresponding path program 2 times [2020-12-23 01:34:53,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:53,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012193617] [2020-12-23 01:34:53,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:53,432 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:53,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527950353] [2020-12-23 01:34:53,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:53,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:34:53,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:53,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:34:53,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 01:34:53,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012193617] [2020-12-23 01:34:53,592 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:53,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527950353] [2020-12-23 01:34:53,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:53,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 01:34:53,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250010695] [2020-12-23 01:34:53,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 01:34:53,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:53,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 01:34:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:34:53,594 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 7 states. [2020-12-23 01:34:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:53,748 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2020-12-23 01:34:53,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 01:34:53,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-12-23 01:34:53,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:53,750 INFO L225 Difference]: With dead ends: 79 [2020-12-23 01:34:53,750 INFO L226 Difference]: Without dead ends: 53 [2020-12-23 01:34:53,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:34:53,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-23 01:34:53,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2020-12-23 01:34:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-23 01:34:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-12-23 01:34:53,760 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2020-12-23 01:34:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:53,760 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-12-23 01:34:53,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 01:34:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-12-23 01:34:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 01:34:53,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:53,762 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:53,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:53,975 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:53,977 INFO L82 PathProgramCache]: Analyzing trace with hash 119582130, now seen corresponding path program 3 times [2020-12-23 01:34:53,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:53,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229442421] [2020-12-23 01:34:53,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:53,999 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:53,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1170165096] [2020-12-23 01:34:53,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:54,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-23 01:34:54,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:54,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:34:54,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 01:34:54,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229442421] [2020-12-23 01:34:54,147 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:54,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170165096] [2020-12-23 01:34:54,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:54,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 01:34:54,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148735462] [2020-12-23 01:34:54,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 01:34:54,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:54,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 01:34:54,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:34:54,150 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 7 states. [2020-12-23 01:34:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:54,280 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2020-12-23 01:34:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 01:34:54,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-12-23 01:34:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:54,282 INFO L225 Difference]: With dead ends: 47 [2020-12-23 01:34:54,285 INFO L226 Difference]: Without dead ends: 35 [2020-12-23 01:34:54,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:34:54,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-23 01:34:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-12-23 01:34:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-23 01:34:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-12-23 01:34:54,298 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 25 [2020-12-23 01:34:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:54,300 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-12-23 01:34:54,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 01:34:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-12-23 01:34:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 01:34:54,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:54,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:54,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:54,502 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:54,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:54,504 INFO L82 PathProgramCache]: Analyzing trace with hash 666081912, now seen corresponding path program 4 times [2020-12-23 01:34:54,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:54,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777169080] [2020-12-23 01:34:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:54,561 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:54,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744743424] [2020-12-23 01:34:54,562 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:54,641 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:34:54,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:54,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-23 01:34:54,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:54,662 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:54,663 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:54,671 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,671 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-12-23 01:34:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,692 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:34:54,694 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,703 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:54,704 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:34:54,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,762 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:54,763 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:34:54,766 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,800 INFO L625 ElimStorePlain]: treesize reduction 20, result has 64.9 percent of original size [2020-12-23 01:34:54,802 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:54,802 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2020-12-23 01:34:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,962 INFO L348 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2020-12-23 01:34:54,963 INFO L382 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 3 case distinctions, treesize of input 49 treesize of output 72 [2020-12-23 01:34:54,973 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,006 INFO L625 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2020-12-23 01:34:55,009 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,009 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:46 [2020-12-23 01:34:55,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:55,127 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-23 01:34:55,127 INFO L382 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 1 case distinctions, treesize of input 51 treesize of output 35 [2020-12-23 01:34:55,130 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:55,146 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,146 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:35 [2020-12-23 01:34:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:55,322 INFO L348 Elim1Store]: treesize reduction 10, result has 91.0 percent of original size [2020-12-23 01:34:55,323 INFO L382 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 53 treesize of output 130 [2020-12-23 01:34:55,329 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,387 INFO L625 ElimStorePlain]: treesize reduction 96, result has 33.3 percent of original size [2020-12-23 01:34:55,388 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,389 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:48 [2020-12-23 01:34:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:55,503 INFO L348 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2020-12-23 01:34:55,504 INFO L382 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 2 case distinctions, treesize of input 55 treesize of output 37 [2020-12-23 01:34:55,507 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:55,523 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,524 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:49 [2020-12-23 01:34:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:55,660 INFO L348 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2020-12-23 01:34:55,661 INFO L382 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 3 case distinctions, treesize of input 63 treesize of output 74 [2020-12-23 01:34:55,664 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,701 INFO L625 ElimStorePlain]: treesize reduction 38, result has 53.7 percent of original size [2020-12-23 01:34:55,703 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,703 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:44 [2020-12-23 01:34:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:55,834 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-23 01:34:55,834 INFO L382 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 1 case distinctions, treesize of input 53 treesize of output 37 [2020-12-23 01:34:55,836 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:55,850 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:55,852 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:55,853 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:35 [2020-12-23 01:34:55,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:55,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:55,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:55,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:55,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:55,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:34:55,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:34:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:56,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777169080] [2020-12-23 01:34:56,051 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:56,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744743424] [2020-12-23 01:34:56,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:56,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-23 01:34:56,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487935682] [2020-12-23 01:34:56,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 01:34:56,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:56,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 01:34:56,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:34:56,054 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 21 states. [2020-12-23 01:34:56,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:56,724 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2020-12-23 01:34:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 01:34:56,726 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 31 [2020-12-23 01:34:56,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:56,728 INFO L225 Difference]: With dead ends: 57 [2020-12-23 01:34:56,728 INFO L226 Difference]: Without dead ends: 53 [2020-12-23 01:34:56,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2020-12-23 01:34:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-23 01:34:56,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2020-12-23 01:34:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 01:34:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-23 01:34:56,739 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 31 [2020-12-23 01:34:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:56,739 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-23 01:34:56,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 01:34:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-23 01:34:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 01:34:56,741 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:56,741 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:56,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:56,957 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:56,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:56,959 INFO L82 PathProgramCache]: Analyzing trace with hash 207824378, now seen corresponding path program 5 times [2020-12-23 01:34:56,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:56,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471190714] [2020-12-23 01:34:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:56,991 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:56,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743880004] [2020-12-23 01:34:56,992 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:57,100 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-23 01:34:57,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:57,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:34:57,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:34:57,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471190714] [2020-12-23 01:34:57,195 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:57,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743880004] [2020-12-23 01:34:57,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:57,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:34:57,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726243593] [2020-12-23 01:34:57,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:34:57,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:57,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:34:57,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:34:57,200 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 9 states. [2020-12-23 01:34:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:57,389 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2020-12-23 01:34:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 01:34:57,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2020-12-23 01:34:57,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:57,392 INFO L225 Difference]: With dead ends: 101 [2020-12-23 01:34:57,392 INFO L226 Difference]: Without dead ends: 65 [2020-12-23 01:34:57,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:34:57,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-23 01:34:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 50. [2020-12-23 01:34:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-23 01:34:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2020-12-23 01:34:57,405 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 33 [2020-12-23 01:34:57,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:57,405 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2020-12-23 01:34:57,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:34:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2020-12-23 01:34:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 01:34:57,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:57,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:57,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 01:34:57,609 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:57,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1285815610, now seen corresponding path program 6 times [2020-12-23 01:34:57,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:57,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164903113] [2020-12-23 01:34:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:57,677 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:57,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367976139] [2020-12-23 01:34:57,682 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:57,762 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-12-23 01:34:57,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:57,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:34:57,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:34:57,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164903113] [2020-12-23 01:34:57,886 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:57,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367976139] [2020-12-23 01:34:57,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:57,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:34:57,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263200154] [2020-12-23 01:34:57,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:34:57,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:57,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:34:57,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:34:57,889 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 9 states. [2020-12-23 01:34:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:58,059 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2020-12-23 01:34:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 01:34:58,060 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2020-12-23 01:34:58,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:58,061 INFO L225 Difference]: With dead ends: 59 [2020-12-23 01:34:58,061 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 01:34:58,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:34:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 01:34:58,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-12-23 01:34:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-23 01:34:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-12-23 01:34:58,070 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 33 [2020-12-23 01:34:58,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:58,070 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-12-23 01:34:58,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:34:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-12-23 01:34:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 01:34:58,072 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:58,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:58,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:58,287 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:58,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:58,289 INFO L82 PathProgramCache]: Analyzing trace with hash 315843584, now seen corresponding path program 7 times [2020-12-23 01:34:58,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:58,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038949941] [2020-12-23 01:34:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:58,321 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:58,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410488688] [2020-12-23 01:34:58,322 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:58,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 56 conjunts are in the unsatisfiable core [2020-12-23 01:34:58,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:58,459 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 10 treesize of output 8 [2020-12-23 01:34:58,465 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,473 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,479 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:58,480 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,488 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,489 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,490 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2020-12-23 01:34:58,517 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:34:58,519 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,529 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,530 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2020-12-23 01:34:58,587 INFO L348 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2020-12-23 01:34:58,588 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2020-12-23 01:34:58,590 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,603 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,605 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,605 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2020-12-23 01:34:58,684 INFO L348 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2020-12-23 01:34:58,685 INFO L382 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 3 case distinctions, treesize of input 47 treesize of output 52 [2020-12-23 01:34:58,687 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,705 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,706 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,706 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2020-12-23 01:34:58,920 INFO L348 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2020-12-23 01:34:58,920 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 98 [2020-12-23 01:34:58,926 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,974 INFO L625 ElimStorePlain]: treesize reduction 56, result has 50.9 percent of original size [2020-12-23 01:34:58,975 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,975 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:58 [2020-12-23 01:34:59,121 INFO L348 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2020-12-23 01:34:59,122 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 98 [2020-12-23 01:34:59,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,166 INFO L625 ElimStorePlain]: treesize reduction 70, result has 46.2 percent of original size [2020-12-23 01:34:59,167 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,168 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:60 [2020-12-23 01:34:59,315 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-23 01:34:59,316 INFO L382 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 3 case distinctions, treesize of input 68 treesize of output 49 [2020-12-23 01:34:59,319 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,336 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:59,337 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,338 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:43 [2020-12-23 01:34:59,588 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-12-23 01:34:59,589 INFO L348 Elim1Store]: treesize reduction 32, result has 83.0 percent of original size [2020-12-23 01:34:59,590 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 188 [2020-12-23 01:34:59,597 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,662 INFO L625 ElimStorePlain]: treesize reduction 138, result has 26.6 percent of original size [2020-12-23 01:34:59,663 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,663 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:50 [2020-12-23 01:34:59,918 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-12-23 01:34:59,919 INFO L348 Elim1Store]: treesize reduction 32, result has 83.0 percent of original size [2020-12-23 01:34:59,920 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 188 [2020-12-23 01:34:59,932 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,989 INFO L625 ElimStorePlain]: treesize reduction 152, result has 26.2 percent of original size [2020-12-23 01:34:59,990 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:59,990 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:54 [2020-12-23 01:35:00,162 INFO L348 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2020-12-23 01:35:00,163 INFO L382 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 64 treesize of output 49 [2020-12-23 01:35:00,169 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:00,188 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,188 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:55 [2020-12-23 01:35:00,388 INFO L348 Elim1Store]: treesize reduction 32, result has 56.2 percent of original size [2020-12-23 01:35:00,389 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 102 [2020-12-23 01:35:00,395 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,439 INFO L625 ElimStorePlain]: treesize reduction 76, result has 47.9 percent of original size [2020-12-23 01:35:00,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:70 [2020-12-23 01:35:00,698 INFO L348 Elim1Store]: treesize reduction 49, result has 63.2 percent of original size [2020-12-23 01:35:00,699 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 157 [2020-12-23 01:35:00,706 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,771 INFO L625 ElimStorePlain]: treesize reduction 151, result has 29.4 percent of original size [2020-12-23 01:35:00,774 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,774 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:63 [2020-12-23 01:35:00,962 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-23 01:35:00,963 INFO L382 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 3 case distinctions, treesize of input 69 treesize of output 50 [2020-12-23 01:35:00,965 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,983 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:00,986 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:35:00,986 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:79, output treesize:78 [2020-12-23 01:35:01,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:01,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:01,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:01,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:35:01,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:01,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:35:01,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:35:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:35:01,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038949941] [2020-12-23 01:35:01,434 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:01,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410488688] [2020-12-23 01:35:01,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:01,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-12-23 01:35:01,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278266939] [2020-12-23 01:35:01,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-12-23 01:35:01,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:01,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-12-23 01:35:01,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:35:01,437 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 31 states. [2020-12-23 01:35:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:05,880 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2020-12-23 01:35:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 01:35:05,881 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 39 [2020-12-23 01:35:05,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:05,882 INFO L225 Difference]: With dead ends: 71 [2020-12-23 01:35:05,882 INFO L226 Difference]: Without dead ends: 67 [2020-12-23 01:35:05,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=285, Invalid=3137, Unknown=0, NotChecked=0, Total=3422 [2020-12-23 01:35:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-23 01:35:05,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-12-23 01:35:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-12-23 01:35:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2020-12-23 01:35:05,896 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 39 [2020-12-23 01:35:05,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:05,897 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2020-12-23 01:35:05,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-12-23 01:35:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2020-12-23 01:35:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 01:35:05,898 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:05,898 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:06,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:06,113 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:06,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:06,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1363759742, now seen corresponding path program 8 times [2020-12-23 01:35:06,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:06,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78298669] [2020-12-23 01:35:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:06,170 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:06,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375554002] [2020-12-23 01:35:06,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:06,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:35:06,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:06,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 01:35:06,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:35:06,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78298669] [2020-12-23 01:35:06,383 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:06,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375554002] [2020-12-23 01:35:06,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:06,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 01:35:06,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561576521] [2020-12-23 01:35:06,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 01:35:06,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:06,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 01:35:06,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-23 01:35:06,386 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand 11 states. [2020-12-23 01:35:06,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:06,690 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions. [2020-12-23 01:35:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:35:06,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-12-23 01:35:06,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:06,691 INFO L225 Difference]: With dead ends: 123 [2020-12-23 01:35:06,692 INFO L226 Difference]: Without dead ends: 77 [2020-12-23 01:35:06,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:35:06,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-23 01:35:06,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2020-12-23 01:35:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-23 01:35:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-12-23 01:35:06,703 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 41 [2020-12-23 01:35:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:06,703 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-12-23 01:35:06,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 01:35:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-12-23 01:35:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 01:35:06,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:06,704 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:06,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 01:35:06,920 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:06,921 INFO L82 PathProgramCache]: Analyzing trace with hash -702683966, now seen corresponding path program 9 times [2020-12-23 01:35:06,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:06,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55015690] [2020-12-23 01:35:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:06,971 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:06,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627710695] [2020-12-23 01:35:06,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:07,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 01:35:07,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:07,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 01:35:07,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:35:07,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55015690] [2020-12-23 01:35:07,249 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:07,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627710695] [2020-12-23 01:35:07,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:07,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 01:35:07,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21598925] [2020-12-23 01:35:07,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 01:35:07,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:07,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 01:35:07,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-23 01:35:07,251 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 11 states. [2020-12-23 01:35:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:07,506 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2020-12-23 01:35:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 01:35:07,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-12-23 01:35:07,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:07,508 INFO L225 Difference]: With dead ends: 71 [2020-12-23 01:35:07,509 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 01:35:07,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:35:07,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 01:35:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2020-12-23 01:35:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-23 01:35:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-12-23 01:35:07,517 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 41 [2020-12-23 01:35:07,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:07,517 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-12-23 01:35:07,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 01:35:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-12-23 01:35:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 01:35:07,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:07,518 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:07,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:07,734 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:07,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:07,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1719679608, now seen corresponding path program 10 times [2020-12-23 01:35:07,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:07,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913993977] [2020-12-23 01:35:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:07,758 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:07,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517086326] [2020-12-23 01:35:07,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:07,848 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:35:07,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:07,850 WARN L261 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 65 conjunts are in the unsatisfiable core [2020-12-23 01:35:07,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:07,871 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:35:07,872 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:07,880 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,880 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-12-23 01:35:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:07,899 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:35:07,900 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:07,912 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,912 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:35:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:07,964 INFO L348 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2020-12-23 01:35:07,966 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2020-12-23 01:35:07,968 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,981 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:07,982 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:07,982 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:35:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:08,058 INFO L348 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2020-12-23 01:35:08,059 INFO L382 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 3 case distinctions, treesize of input 47 treesize of output 52 [2020-12-23 01:35:08,061 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:08,079 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,079 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2020-12-23 01:35:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:08,245 INFO L348 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2020-12-23 01:35:08,245 INFO L382 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 6 case distinctions, treesize of input 48 treesize of output 140 [2020-12-23 01:35:08,257 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,330 INFO L625 ElimStorePlain]: treesize reduction 64, result has 46.2 percent of original size [2020-12-23 01:35:08,331 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,331 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:35:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:08,614 INFO L348 Elim1Store]: treesize reduction 66, result has 45.5 percent of original size [2020-12-23 01:35:08,615 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 124 [2020-12-23 01:35:08,619 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,702 INFO L625 ElimStorePlain]: treesize reduction 88, result has 42.1 percent of original size [2020-12-23 01:35:08,703 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:08,703 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:64 [2020-12-23 01:35:08,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:08,949 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2020-12-23 01:35:08,950 INFO L348 Elim1Store]: treesize reduction 83, result has 57.7 percent of original size [2020-12-23 01:35:08,950 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 194 [2020-12-23 01:35:08,955 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,057 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2020-12-23 01:35:09,058 INFO L625 ElimStorePlain]: treesize reduction 182, result has 31.8 percent of original size [2020-12-23 01:35:09,059 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:85 [2020-12-23 01:35:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:09,348 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-23 01:35:09,349 INFO L348 Elim1Store]: treesize reduction 88, result has 60.2 percent of original size [2020-12-23 01:35:09,349 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 98 treesize of output 223 [2020-12-23 01:35:09,357 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,454 INFO L625 ElimStorePlain]: treesize reduction 275, result has 24.2 percent of original size [2020-12-23 01:35:09,457 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:112, output treesize:88 [2020-12-23 01:35:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:09,638 INFO L348 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2020-12-23 01:35:09,639 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 62 [2020-12-23 01:35:09,641 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:09,670 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:09,670 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:84 [2020-12-23 01:35:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:10,104 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-23 01:35:10,105 INFO L348 Elim1Store]: treesize reduction 66, result has 76.2 percent of original size [2020-12-23 01:35:10,105 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 102 treesize of output 253 [2020-12-23 01:35:10,113 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:10,208 INFO L625 ElimStorePlain]: treesize reduction 210, result has 24.5 percent of original size [2020-12-23 01:35:10,210 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:10,210 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:68 [2020-12-23 01:35:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:10,616 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2020-12-23 01:35:10,617 INFO L348 Elim1Store]: treesize reduction 139, result has 56.2 percent of original size [2020-12-23 01:35:10,618 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 84 treesize of output 217 [2020-12-23 01:35:10,625 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:10,707 INFO L625 ElimStorePlain]: treesize reduction 154, result has 33.3 percent of original size [2020-12-23 01:35:10,709 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:10,709 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:77 [2020-12-23 01:35:10,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:11,179 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-23 01:35:11,179 INFO L348 Elim1Store]: treesize reduction 66, result has 76.2 percent of original size [2020-12-23 01:35:11,180 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 252 [2020-12-23 01:35:11,186 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,290 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2020-12-23 01:35:11,291 INFO L625 ElimStorePlain]: treesize reduction 210, result has 27.1 percent of original size [2020-12-23 01:35:11,292 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,292 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:78 [2020-12-23 01:35:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:11,581 INFO L348 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2020-12-23 01:35:11,581 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 87 treesize of output 67 [2020-12-23 01:35:11,584 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,610 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:11,611 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,611 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:83 [2020-12-23 01:35:11,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:11,912 INFO L348 Elim1Store]: treesize reduction 66, result has 45.5 percent of original size [2020-12-23 01:35:11,913 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 97 treesize of output 130 [2020-12-23 01:35:11,916 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,990 INFO L625 ElimStorePlain]: treesize reduction 100, result has 49.0 percent of original size [2020-12-23 01:35:11,991 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:11,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:111, output treesize:96 [2020-12-23 01:35:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:12,315 INFO L348 Elim1Store]: treesize reduction 66, result has 45.5 percent of original size [2020-12-23 01:35:12,316 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 103 treesize of output 132 [2020-12-23 01:35:12,321 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:12,402 INFO L625 ElimStorePlain]: treesize reduction 132, result has 42.9 percent of original size [2020-12-23 01:35:12,403 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:12,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:99 [2020-12-23 01:35:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:12,747 INFO L348 Elim1Store]: treesize reduction 66, result has 45.5 percent of original size [2020-12-23 01:35:12,748 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 133 [2020-12-23 01:35:12,752 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:12,827 INFO L625 ElimStorePlain]: treesize reduction 94, result has 53.5 percent of original size [2020-12-23 01:35:12,829 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:12,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:108 [2020-12-23 01:35:13,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:13,142 INFO L348 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2020-12-23 01:35:13,142 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 70 [2020-12-23 01:35:13,145 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:13,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:13,174 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:35:13,174 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:121, output treesize:59 [2020-12-23 01:35:13,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:13,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:13,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:13,345 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:35:13,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:13,352 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:35:13,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:35:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:35:13,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913993977] [2020-12-23 01:35:13,490 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:13,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517086326] [2020-12-23 01:35:13,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:13,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-12-23 01:35:13,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960109882] [2020-12-23 01:35:13,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-12-23 01:35:13,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:13,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-12-23 01:35:13,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1250, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 01:35:13,493 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 37 states. [2020-12-23 01:35:15,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:15,639 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2020-12-23 01:35:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-23 01:35:15,640 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 47 [2020-12-23 01:35:15,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:15,641 INFO L225 Difference]: With dead ends: 85 [2020-12-23 01:35:15,641 INFO L226 Difference]: Without dead ends: 81 [2020-12-23 01:35:15,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=91, Invalid=1391, Unknown=0, NotChecked=0, Total=1482 [2020-12-23 01:35:15,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-23 01:35:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2020-12-23 01:35:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-23 01:35:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2020-12-23 01:35:15,667 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 47 [2020-12-23 01:35:15,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:15,667 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2020-12-23 01:35:15,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-12-23 01:35:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2020-12-23 01:35:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 01:35:15,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:15,668 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:15,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:15,870 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:15,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1003539722, now seen corresponding path program 11 times [2020-12-23 01:35:15,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:15,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797366845] [2020-12-23 01:35:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:15,892 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:15,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363745618] [2020-12-23 01:35:15,893 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:16,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-12-23 01:35:16,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:16,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:35:16,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:35:16,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797366845] [2020-12-23 01:35:16,540 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:16,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363745618] [2020-12-23 01:35:16,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:16,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:35:16,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538198589] [2020-12-23 01:35:16,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:35:16,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:16,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:35:16,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:35:16,541 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand 13 states. [2020-12-23 01:35:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:16,887 INFO L93 Difference]: Finished difference Result 145 states and 156 transitions. [2020-12-23 01:35:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 01:35:16,888 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2020-12-23 01:35:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:16,889 INFO L225 Difference]: With dead ends: 145 [2020-12-23 01:35:16,889 INFO L226 Difference]: Without dead ends: 89 [2020-12-23 01:35:16,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:35:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-23 01:35:16,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2020-12-23 01:35:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 01:35:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2020-12-23 01:35:16,901 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 49 [2020-12-23 01:35:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:16,901 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2020-12-23 01:35:16,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:35:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2020-12-23 01:35:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 01:35:16,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:16,903 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:17,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:35:17,117 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:17,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:17,118 INFO L82 PathProgramCache]: Analyzing trace with hash 103179338, now seen corresponding path program 12 times [2020-12-23 01:35:17,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:17,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859621462] [2020-12-23 01:35:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:17,157 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:17,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958321413] [2020-12-23 01:35:17,159 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:17,389 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-12-23 01:35:17,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:17,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:35:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:35:17,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859621462] [2020-12-23 01:35:17,562 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:17,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958321413] [2020-12-23 01:35:17,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:17,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:35:17,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753455353] [2020-12-23 01:35:17,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:35:17,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:17,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:35:17,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:35:17,564 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 13 states. [2020-12-23 01:35:17,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:17,921 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2020-12-23 01:35:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 01:35:17,921 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2020-12-23 01:35:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:17,922 INFO L225 Difference]: With dead ends: 83 [2020-12-23 01:35:17,922 INFO L226 Difference]: Without dead ends: 59 [2020-12-23 01:35:17,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:35:17,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-23 01:35:17,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-12-23 01:35:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-23 01:35:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-12-23 01:35:17,931 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 49 [2020-12-23 01:35:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:17,931 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-12-23 01:35:17,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:35:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-12-23 01:35:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 01:35:17,932 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:17,932 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:18,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 01:35:18,147 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:18,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:18,148 INFO L82 PathProgramCache]: Analyzing trace with hash -162480368, now seen corresponding path program 13 times [2020-12-23 01:35:18,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:18,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218358041] [2020-12-23 01:35:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:18,172 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:18,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914891962] [2020-12-23 01:35:18,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:35:18,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 84 conjunts are in the unsatisfiable core [2020-12-23 01:35:18,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:18,326 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 10 treesize of output 8 [2020-12-23 01:35:18,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,344 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:35:18,346 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,358 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,359 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,359 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-23 01:35:18,384 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:35:18,385 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,401 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,403 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2020-12-23 01:35:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,453 INFO L382 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 30 treesize of output 32 [2020-12-23 01:35:18,455 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,470 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,471 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,472 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:35:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,543 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2020-12-23 01:35:18,545 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,565 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,565 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2020-12-23 01:35:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,659 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-23 01:35:18,661 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,684 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,685 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,685 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:57 [2020-12-23 01:35:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:18,806 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 71 [2020-12-23 01:35:18,809 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,837 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:18,838 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:18,838 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2020-12-23 01:35:19,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,104 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:19,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,115 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2020-12-23 01:35:19,119 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,146 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:19,147 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:79 [2020-12-23 01:35:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,290 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:19,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2020-12-23 01:35:19,302 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,330 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:19,331 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,331 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:75 [2020-12-23 01:35:19,486 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,497 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2020-12-23 01:35:19,499 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:19,527 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,528 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:69 [2020-12-23 01:35:19,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,705 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,735 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 73 [2020-12-23 01:35:19,739 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:19,765 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:69 [2020-12-23 01:35:19,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:19,946 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 71 [2020-12-23 01:35:19,949 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,975 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:19,976 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:19,976 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:64 [2020-12-23 01:35:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,172 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,178 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 75 [2020-12-23 01:35:20,181 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,212 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:20,214 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,214 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:77 [2020-12-23 01:35:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,431 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:20,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,445 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 80 [2020-12-23 01:35:20,448 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,487 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:20,489 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,490 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:92 [2020-12-23 01:35:20,725 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,739 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2020-12-23 01:35:20,742 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:20,776 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:20,776 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:69 [2020-12-23 01:35:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:20,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,000 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,005 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2020-12-23 01:35:21,009 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,045 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:21,047 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,047 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:75 [2020-12-23 01:35:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,290 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 73 [2020-12-23 01:35:21,292 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:21,319 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,319 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:64 [2020-12-23 01:35:21,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,557 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,569 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2020-12-23 01:35:21,571 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:21,625 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,625 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:77 [2020-12-23 01:35:21,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,897 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:21,906 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2020-12-23 01:35:21,909 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,945 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:21,947 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:21,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:94 [2020-12-23 01:35:22,236 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,251 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 81 [2020-12-23 01:35:22,254 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:22,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:22,291 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:22,292 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:122, output treesize:109 [2020-12-23 01:35:22,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,624 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:35:22,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:22,633 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 86 [2020-12-23 01:35:22,636 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:22,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:22,668 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:22,668 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:92 [2020-12-23 01:35:22,988 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 68 [2020-12-23 01:35:22,991 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:23,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:23,013 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:35:23,013 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:70 [2020-12-23 01:35:23,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:23,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:23,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:23,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:35:23,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:23,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:35:23,205 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:35:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:35:23,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218358041] [2020-12-23 01:35:23,305 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:23,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914891962] [2020-12-23 01:35:23,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:23,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-12-23 01:35:23,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264519913] [2020-12-23 01:35:23,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-12-23 01:35:23,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:23,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-12-23 01:35:23,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=2017, Unknown=0, NotChecked=0, Total=2162 [2020-12-23 01:35:23,307 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 47 states. [2020-12-23 01:35:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:31,410 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2020-12-23 01:35:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-12-23 01:35:31,412 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 55 [2020-12-23 01:35:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:31,413 INFO L225 Difference]: With dead ends: 99 [2020-12-23 01:35:31,413 INFO L226 Difference]: Without dead ends: 95 [2020-12-23 01:35:31,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1536 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=435, Invalid=7755, Unknown=0, NotChecked=0, Total=8190 [2020-12-23 01:35:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-23 01:35:31,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2020-12-23 01:35:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-23 01:35:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2020-12-23 01:35:31,433 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 55 [2020-12-23 01:35:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:31,433 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2020-12-23 01:35:31,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-12-23 01:35:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2020-12-23 01:35:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 01:35:31,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:31,434 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:31,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 01:35:31,649 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1471576942, now seen corresponding path program 14 times [2020-12-23 01:35:31,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:31,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667307384] [2020-12-23 01:35:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:31,685 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:31,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109190271] [2020-12-23 01:35:31,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:31,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:35:31,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:31,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:35:31,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:35:31,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667307384] [2020-12-23 01:35:31,975 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:31,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109190271] [2020-12-23 01:35:31,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:31,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:35:31,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777728696] [2020-12-23 01:35:31,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:35:31,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:31,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:35:31,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:35:31,977 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 15 states. [2020-12-23 01:35:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:32,417 INFO L93 Difference]: Finished difference Result 167 states and 178 transitions. [2020-12-23 01:35:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 01:35:32,417 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-12-23 01:35:32,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:32,418 INFO L225 Difference]: With dead ends: 167 [2020-12-23 01:35:32,418 INFO L226 Difference]: Without dead ends: 101 [2020-12-23 01:35:32,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:35:32,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-23 01:35:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 86. [2020-12-23 01:35:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-23 01:35:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2020-12-23 01:35:32,432 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 57 [2020-12-23 01:35:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:32,432 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2020-12-23 01:35:32,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:35:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2020-12-23 01:35:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 01:35:32,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:32,433 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:32,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:32,646 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:32,646 INFO L82 PathProgramCache]: Analyzing trace with hash -178947118, now seen corresponding path program 15 times [2020-12-23 01:35:32,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:32,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723249286] [2020-12-23 01:35:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:32,675 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:32,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [522759426] [2020-12-23 01:35:32,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:33,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-23 01:35:33,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:33,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:35:33,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:35:33,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723249286] [2020-12-23 01:35:33,382 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:33,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522759426] [2020-12-23 01:35:33,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:33,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:35:33,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211493005] [2020-12-23 01:35:33,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:35:33,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:33,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:35:33,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:35:33,389 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 15 states. [2020-12-23 01:35:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:33,765 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2020-12-23 01:35:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 01:35:33,766 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-12-23 01:35:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:33,767 INFO L225 Difference]: With dead ends: 95 [2020-12-23 01:35:33,767 INFO L226 Difference]: Without dead ends: 67 [2020-12-23 01:35:33,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:35:33,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-23 01:35:33,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-12-23 01:35:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-12-23 01:35:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-12-23 01:35:33,777 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 57 [2020-12-23 01:35:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:33,777 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-12-23 01:35:33,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:35:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-12-23 01:35:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 01:35:33,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:33,779 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:33,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 01:35:33,993 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:33,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:33,994 INFO L82 PathProgramCache]: Analyzing trace with hash 434000024, now seen corresponding path program 16 times [2020-12-23 01:35:33,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:33,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738350637] [2020-12-23 01:35:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:34,025 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:34,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133462912] [2020-12-23 01:35:34,026 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:34,121 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:35:34,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:34,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 88 conjunts are in the unsatisfiable core [2020-12-23 01:35:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:34,137 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:35:34,137 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,146 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:34,147 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-12-23 01:35:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:34,165 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:35:34,167 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:34,179 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,180 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:35:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:34,236 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:34,237 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:35:34,239 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,277 INFO L625 ElimStorePlain]: treesize reduction 20, result has 63.0 percent of original size [2020-12-23 01:35:34,278 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,279 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2020-12-23 01:35:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:34,396 INFO L348 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2020-12-23 01:35:34,397 INFO L382 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 3 case distinctions, treesize of input 39 treesize of output 98 [2020-12-23 01:35:34,401 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,460 INFO L625 ElimStorePlain]: treesize reduction 42, result has 50.6 percent of original size [2020-12-23 01:35:34,461 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-12-23 01:35:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:34,628 INFO L348 Elim1Store]: treesize reduction 77, result has 51.9 percent of original size [2020-12-23 01:35:34,629 INFO L382 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 6 case distinctions, treesize of input 51 treesize of output 113 [2020-12-23 01:35:34,632 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,696 INFO L625 ElimStorePlain]: treesize reduction 42, result has 56.7 percent of original size [2020-12-23 01:35:34,697 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,697 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:35:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:34,905 INFO L348 Elim1Store]: treesize reduction 162, result has 37.0 percent of original size [2020-12-23 01:35:34,906 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 128 [2020-12-23 01:35:34,912 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,984 INFO L625 ElimStorePlain]: treesize reduction 42, result has 61.5 percent of original size [2020-12-23 01:35:34,985 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:34,985 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2020-12-23 01:35:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:35,219 INFO L348 Elim1Store]: treesize reduction 236, result has 15.7 percent of original size [2020-12-23 01:35:35,220 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 78 [2020-12-23 01:35:35,222 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:35,255 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,255 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:68 [2020-12-23 01:35:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:35,519 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:35,520 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 85 treesize of output 176 [2020-12-23 01:35:35,526 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,618 INFO L625 ElimStorePlain]: treesize reduction 122, result has 40.5 percent of original size [2020-12-23 01:35:35,619 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,619 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:83 [2020-12-23 01:35:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:35,889 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:35,890 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 89 treesize of output 176 [2020-12-23 01:35:35,894 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,978 INFO L625 ElimStorePlain]: treesize reduction 142, result has 37.4 percent of original size [2020-12-23 01:35:35,979 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:35,979 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:85 [2020-12-23 01:35:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:36,372 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 73 [2020-12-23 01:35:36,373 INFO L348 Elim1Store]: treesize reduction 187, result has 47.8 percent of original size [2020-12-23 01:35:36,373 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 278 [2020-12-23 01:35:36,382 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:36,516 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 42 [2020-12-23 01:35:36,517 INFO L625 ElimStorePlain]: treesize reduction 312, result has 23.2 percent of original size [2020-12-23 01:35:36,518 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:36,518 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:111, output treesize:94 [2020-12-23 01:35:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:36,845 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2020-12-23 01:35:36,846 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:36,846 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 104 treesize of output 179 [2020-12-23 01:35:36,852 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:36,949 INFO L625 ElimStorePlain]: treesize reduction 135, result has 44.9 percent of original size [2020-12-23 01:35:36,951 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:36,951 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:110 [2020-12-23 01:35:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:37,406 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 73 [2020-12-23 01:35:37,408 INFO L348 Elim1Store]: treesize reduction 187, result has 47.8 percent of original size [2020-12-23 01:35:37,408 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 126 treesize of output 283 [2020-12-23 01:35:37,418 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:37,557 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2020-12-23 01:35:37,558 INFO L625 ElimStorePlain]: treesize reduction 285, result has 24.4 percent of original size [2020-12-23 01:35:37,559 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:37,559 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:92 [2020-12-23 01:35:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:37,980 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2020-12-23 01:35:37,981 INFO L348 Elim1Store]: treesize reduction 129, result has 52.4 percent of original size [2020-12-23 01:35:37,981 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 106 treesize of output 241 [2020-12-23 01:35:37,990 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:38,101 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 47 [2020-12-23 01:35:38,102 INFO L625 ElimStorePlain]: treesize reduction 233, result has 33.8 percent of original size [2020-12-23 01:35:38,103 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:38,103 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:119 [2020-12-23 01:35:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:39,227 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2020-12-23 01:35:39,228 INFO L348 Elim1Store]: treesize reduction 170, result has 65.4 percent of original size [2020-12-23 01:35:39,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 124 treesize of output 369 [2020-12-23 01:35:39,238 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:39,391 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2020-12-23 01:35:39,392 INFO L625 ElimStorePlain]: treesize reduction 314, result has 22.3 percent of original size [2020-12-23 01:35:39,393 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:39,393 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:90 [2020-12-23 01:35:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:40,190 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2020-12-23 01:35:40,191 INFO L348 Elim1Store]: treesize reduction 170, result has 65.4 percent of original size [2020-12-23 01:35:40,192 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 101 treesize of output 366 [2020-12-23 01:35:40,202 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:40,383 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2020-12-23 01:35:40,383 INFO L625 ElimStorePlain]: treesize reduction 318, result has 22.8 percent of original size [2020-12-23 01:35:40,384 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:40,384 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:94 [2020-12-23 01:35:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:41,241 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2020-12-23 01:35:41,242 INFO L348 Elim1Store]: treesize reduction 170, result has 65.4 percent of original size [2020-12-23 01:35:41,242 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 107 treesize of output 368 [2020-12-23 01:35:41,250 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:41,394 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-23 01:35:41,395 INFO L625 ElimStorePlain]: treesize reduction 284, result has 21.1 percent of original size [2020-12-23 01:35:41,395 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:41,396 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:76 [2020-12-23 01:35:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:42,213 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2020-12-23 01:35:42,214 INFO L348 Elim1Store]: treesize reduction 170, result has 65.4 percent of original size [2020-12-23 01:35:42,215 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 89 treesize of output 362 [2020-12-23 01:35:42,221 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:42,384 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-23 01:35:42,384 INFO L625 ElimStorePlain]: treesize reduction 284, result has 21.1 percent of original size [2020-12-23 01:35:42,385 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:42,386 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:76 [2020-12-23 01:35:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:43,272 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2020-12-23 01:35:43,273 INFO L348 Elim1Store]: treesize reduction 170, result has 65.4 percent of original size [2020-12-23 01:35:43,274 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 89 treesize of output 362 [2020-12-23 01:35:43,281 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:43,460 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2020-12-23 01:35:43,460 INFO L625 ElimStorePlain]: treesize reduction 314, result has 20.7 percent of original size [2020-12-23 01:35:43,461 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:43,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:82 [2020-12-23 01:35:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:43,987 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 28 [2020-12-23 01:35:43,988 INFO L348 Elim1Store]: treesize reduction 304, result has 12.6 percent of original size [2020-12-23 01:35:43,988 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 91 treesize of output 85 [2020-12-23 01:35:43,993 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:44,032 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:44,035 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:44,035 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:83 [2020-12-23 01:35:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:44,595 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2020-12-23 01:35:44,596 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:44,597 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 180 [2020-12-23 01:35:44,601 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:44,709 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-23 01:35:44,709 INFO L625 ElimStorePlain]: treesize reduction 124, result has 40.4 percent of original size [2020-12-23 01:35:44,710 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:44,710 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:111, output treesize:84 [2020-12-23 01:35:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:45,417 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 73 [2020-12-23 01:35:45,418 INFO L348 Elim1Store]: treesize reduction 187, result has 47.8 percent of original size [2020-12-23 01:35:45,418 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 278 [2020-12-23 01:35:45,432 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:45,592 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-12-23 01:35:45,592 INFO L625 ElimStorePlain]: treesize reduction 246, result has 27.6 percent of original size [2020-12-23 01:35:45,594 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:45,594 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:94 [2020-12-23 01:35:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:46,235 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2020-12-23 01:35:46,235 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:46,236 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 98 treesize of output 179 [2020-12-23 01:35:46,241 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:46,350 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-12-23 01:35:46,351 INFO L625 ElimStorePlain]: treesize reduction 130, result has 42.5 percent of original size [2020-12-23 01:35:46,352 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:46,353 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:112, output treesize:96 [2020-12-23 01:35:46,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:47,142 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 73 [2020-12-23 01:35:47,143 INFO L348 Elim1Store]: treesize reduction 187, result has 47.8 percent of original size [2020-12-23 01:35:47,143 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 280 [2020-12-23 01:35:47,151 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:47,296 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2020-12-23 01:35:47,297 INFO L625 ElimStorePlain]: treesize reduction 253, result has 29.5 percent of original size [2020-12-23 01:35:47,298 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:47,298 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:122, output treesize:106 [2020-12-23 01:35:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:48,102 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2020-12-23 01:35:48,104 INFO L348 Elim1Store]: treesize reduction 170, result has 32.8 percent of original size [2020-12-23 01:35:48,104 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 107 treesize of output 180 [2020-12-23 01:35:48,109 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:48,237 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2020-12-23 01:35:48,238 INFO L625 ElimStorePlain]: treesize reduction 127, result has 47.5 percent of original size [2020-12-23 01:35:48,239 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:48,240 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:115 [2020-12-23 01:35:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:48,902 INFO L348 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2020-12-23 01:35:48,902 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 118 treesize of output 90 [2020-12-23 01:35:48,904 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:48,962 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:48,965 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:35:48,965 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:79 [2020-12-23 01:35:49,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:35:49,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:35:49,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:49,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:35:49,409 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:35:49,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:35:49,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:35:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:35:49,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738350637] [2020-12-23 01:35:49,790 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:49,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133462912] [2020-12-23 01:35:49,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:49,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-12-23 01:35:49,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547827071] [2020-12-23 01:35:49,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-12-23 01:35:49,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:49,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-12-23 01:35:49,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=2641, Unknown=0, NotChecked=0, Total=2756 [2020-12-23 01:35:49,793 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 53 states. [2020-12-23 01:35:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:55,542 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-12-23 01:35:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-12-23 01:35:55,543 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 63 [2020-12-23 01:35:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:55,546 INFO L225 Difference]: With dead ends: 99 [2020-12-23 01:35:55,546 INFO L226 Difference]: Without dead ends: 95 [2020-12-23 01:35:55,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=128, Invalid=2952, Unknown=0, NotChecked=0, Total=3080 [2020-12-23 01:35:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-23 01:35:55,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2020-12-23 01:35:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-23 01:35:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2020-12-23 01:35:55,558 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 63 [2020-12-23 01:35:55,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:55,559 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2020-12-23 01:35:55,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-12-23 01:35:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2020-12-23 01:35:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 01:35:55,560 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:55,560 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:55,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 01:35:55,774 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:55,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:55,774 INFO L82 PathProgramCache]: Analyzing trace with hash 515429402, now seen corresponding path program 17 times [2020-12-23 01:35:55,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:55,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313221224] [2020-12-23 01:35:55,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:55,795 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:55,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974604990] [2020-12-23 01:35:55,795 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:56,603 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-12-23 01:35:56,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:56,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:35:56,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 01:35:56,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313221224] [2020-12-23 01:35:56,900 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:56,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974604990] [2020-12-23 01:35:56,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:56,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-12-23 01:35:56,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326836778] [2020-12-23 01:35:56,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-23 01:35:56,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:56,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-23 01:35:56,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:35:56,902 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 17 states. [2020-12-23 01:35:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:57,471 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2020-12-23 01:35:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 01:35:57,472 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 65 [2020-12-23 01:35:57,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:57,473 INFO L225 Difference]: With dead ends: 175 [2020-12-23 01:35:57,473 INFO L226 Difference]: Without dead ends: 98 [2020-12-23 01:35:57,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:35:57,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-23 01:35:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2020-12-23 01:35:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-23 01:35:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2020-12-23 01:35:57,484 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 65 [2020-12-23 01:35:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:57,485 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2020-12-23 01:35:57,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-23 01:35:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2020-12-23 01:35:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 01:35:57,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:57,485 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:57,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:57,686 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:57,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1223697884, now seen corresponding path program 18 times [2020-12-23 01:35:57,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:57,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966943175] [2020-12-23 01:35:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:57,707 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:57,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407232264] [2020-12-23 01:35:57,707 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:58,501 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-12-23 01:35:58,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:58,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:35:58,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-12-23 01:35:58,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966943175] [2020-12-23 01:35:58,797 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:58,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407232264] [2020-12-23 01:35:58,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:58,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-12-23 01:35:58,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232454504] [2020-12-23 01:35:58,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-23 01:35:58,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:58,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-23 01:35:58,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:35:58,802 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 17 states. [2020-12-23 01:35:59,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:59,341 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-12-23 01:35:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 01:35:59,342 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2020-12-23 01:35:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:59,343 INFO L225 Difference]: With dead ends: 93 [2020-12-23 01:35:59,343 INFO L226 Difference]: Without dead ends: 75 [2020-12-23 01:35:59,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:35:59,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-23 01:35:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2020-12-23 01:35:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 01:35:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2020-12-23 01:35:59,354 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 67 [2020-12-23 01:35:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:59,354 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2020-12-23 01:35:59,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-23 01:35:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2020-12-23 01:35:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 01:35:59,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:59,355 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:35:59,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:59,567 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:59,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:59,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1430226400, now seen corresponding path program 19 times [2020-12-23 01:35:59,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:59,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122766235] [2020-12-23 01:35:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:59,589 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:59,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17104247] [2020-12-23 01:35:59,589 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:35:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:35:59,793 WARN L261 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 108 conjunts are in the unsatisfiable core [2020-12-23 01:35:59,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:59,827 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 10 treesize of output 8 [2020-12-23 01:35:59,829 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:59,845 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:35:59,846 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:59,857 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,858 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-23 01:35:59,882 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:35:59,883 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,898 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:59,899 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,900 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2020-12-23 01:35:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:35:59,954 INFO L382 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 30 treesize of output 32 [2020-12-23 01:35:59,956 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,972 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:35:59,972 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:35:59,973 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:36:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,041 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2020-12-23 01:36:00,043 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,066 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:00,067 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,067 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2020-12-23 01:36:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,186 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2020-12-23 01:36:00,187 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,229 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:00,230 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,230 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2020-12-23 01:36:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,366 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2020-12-23 01:36:00,368 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,401 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:00,402 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-12-23 01:36:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,549 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 83 [2020-12-23 01:36:00,551 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:00,589 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,589 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2020-12-23 01:36:00,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:00,765 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 92 [2020-12-23 01:36:00,767 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,806 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:00,807 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:00,807 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2020-12-23 01:36:01,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,210 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,229 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 99 [2020-12-23 01:36:01,232 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,275 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,276 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,277 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:89 [2020-12-23 01:36:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,509 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:01,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,518 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 97 [2020-12-23 01:36:01,521 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,566 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,568 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,568 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:97 [2020-12-23 01:36:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,808 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:01,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,834 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2020-12-23 01:36:01,835 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,901 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,902 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,902 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:110 [2020-12-23 01:36:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,169 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,182 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 100 [2020-12-23 01:36:02,184 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,236 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:111 [2020-12-23 01:36:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,527 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 104 [2020-12-23 01:36:02,543 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,595 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,595 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:135 [2020-12-23 01:36:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,888 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,911 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 104 [2020-12-23 01:36:02,914 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,957 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,958 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,958 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:118 [2020-12-23 01:36:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,266 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 100 [2020-12-23 01:36:03,271 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,316 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:03,318 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,318 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:131 [2020-12-23 01:36:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,678 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,698 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 108 [2020-12-23 01:36:03,700 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,753 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:03,754 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,754 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:130 [2020-12-23 01:36:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,112 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,124 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 111 [2020-12-23 01:36:04,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:04,173 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,173 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:135 [2020-12-23 01:36:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,541 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,560 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 112 [2020-12-23 01:36:04,562 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,608 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:04,609 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,609 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:168, output treesize:132 [2020-12-23 01:36:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,996 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,011 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 103 [2020-12-23 01:36:05,013 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,054 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:05,055 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,055 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:87 [2020-12-23 01:36:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,425 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,440 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 97 [2020-12-23 01:36:05,444 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:05,486 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,487 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:114, output treesize:87 [2020-12-23 01:36:05,847 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,875 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 100 [2020-12-23 01:36:05,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,924 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:05,925 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,926 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:96 [2020-12-23 01:36:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,337 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 97 [2020-12-23 01:36:06,339 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:06,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:06,379 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:06,380 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:82 [2020-12-23 01:36:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,793 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:06,805 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 99 [2020-12-23 01:36:06,808 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:06,855 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:06,856 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:06,857 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:99 [2020-12-23 01:36:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,276 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,292 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2020-12-23 01:36:07,294 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:07,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:07,341 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:07,341 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2020-12-23 01:36:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,789 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:07,809 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 102 [2020-12-23 01:36:07,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:07,851 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:07,852 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:07,852 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:93 [2020-12-23 01:36:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,301 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,309 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2020-12-23 01:36:08,312 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:08,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:08,357 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:08,357 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:93 [2020-12-23 01:36:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,856 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:08,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:08,875 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2020-12-23 01:36:08,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:08,921 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:08,923 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:08,923 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:90 [2020-12-23 01:36:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,410 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,438 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 103 [2020-12-23 01:36:09,440 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:09,483 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:09,485 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:09,485 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:93 [2020-12-23 01:36:09,954 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 83 [2020-12-23 01:36:09,959 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:09,989 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:09,991 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:09,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:73 [2020-12-23 01:36:10,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:36:10,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:36:10,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:36:10,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:36:10,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:36:10,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:36:10,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:36:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:36:10,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122766235] [2020-12-23 01:36:10,456 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:10,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17104247] [2020-12-23 01:36:10,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:10,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2020-12-23 01:36:10,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525500164] [2020-12-23 01:36:10,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-12-23 01:36:10,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:10,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-12-23 01:36:10,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=3711, Unknown=0, NotChecked=0, Total=3906 [2020-12-23 01:36:10,459 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand 63 states. [2020-12-23 01:36:14,445 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-23 01:36:14,877 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-23 01:36:15,172 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:15,463 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-23 01:36:15,755 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:16,034 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-23 01:36:16,311 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 01:36:16,588 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:16,875 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:17,163 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 01:36:17,517 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 01:36:17,853 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 01:36:18,139 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 01:36:18,431 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:18,731 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:19,258 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-23 01:36:19,601 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-23 01:36:19,937 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-23 01:36:20,239 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-12-23 01:36:20,516 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-23 01:36:20,830 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-12-23 01:36:21,108 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 01:36:22,170 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:22,450 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:36:22,719 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-23 01:36:23,503 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-23 01:36:23,773 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 01:36:24,035 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-23 01:36:24,307 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-23 01:36:24,581 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-23 01:36:25,108 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-23 01:36:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:27,425 INFO L93 Difference]: Finished difference Result 127 states and 133 transitions. [2020-12-23 01:36:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-12-23 01:36:27,426 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 71 [2020-12-23 01:36:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:27,427 INFO L225 Difference]: With dead ends: 127 [2020-12-23 01:36:27,427 INFO L226 Difference]: Without dead ends: 123 [2020-12-23 01:36:27,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2808 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=585, Invalid=14421, Unknown=0, NotChecked=0, Total=15006 [2020-12-23 01:36:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-23 01:36:27,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2020-12-23 01:36:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-23 01:36:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 115 transitions. [2020-12-23 01:36:27,455 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 115 transitions. Word has length 71 [2020-12-23 01:36:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:27,455 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 115 transitions. [2020-12-23 01:36:27,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-12-23 01:36:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2020-12-23 01:36:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 01:36:27,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:27,456 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:36:27,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:36:27,657 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:27,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:27,658 INFO L82 PathProgramCache]: Analyzing trace with hash -4801630, now seen corresponding path program 20 times [2020-12-23 01:36:27,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:27,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400134056] [2020-12-23 01:36:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:27,680 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:27,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587365992] [2020-12-23 01:36:27,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:36:27,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:36:27,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:36:27,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 01:36:27,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-23 01:36:28,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400134056] [2020-12-23 01:36:28,096 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:28,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587365992] [2020-12-23 01:36:28,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:28,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 01:36:28,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210601960] [2020-12-23 01:36:28,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:36:28,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:28,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:36:28,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:36:28,098 INFO L87 Difference]: Start difference. First operand 109 states and 115 transitions. Second operand 19 states. [2020-12-23 01:36:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:28,742 INFO L93 Difference]: Finished difference Result 211 states and 222 transitions. [2020-12-23 01:36:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 01:36:28,743 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 73 [2020-12-23 01:36:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:28,745 INFO L225 Difference]: With dead ends: 211 [2020-12-23 01:36:28,745 INFO L226 Difference]: Without dead ends: 125 [2020-12-23 01:36:28,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:36:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-23 01:36:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 110. [2020-12-23 01:36:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-23 01:36:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 115 transitions. [2020-12-23 01:36:28,766 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 115 transitions. Word has length 73 [2020-12-23 01:36:28,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:28,766 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 115 transitions. [2020-12-23 01:36:28,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:36:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2020-12-23 01:36:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 01:36:28,767 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:28,767 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:36:28,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-12-23 01:36:28,982 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:28,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:28,982 INFO L82 PathProgramCache]: Analyzing trace with hash 25653986, now seen corresponding path program 21 times [2020-12-23 01:36:28,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:28,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017471504] [2020-12-23 01:36:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:29,006 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:29,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501204673] [2020-12-23 01:36:29,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:36:30,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2020-12-23 01:36:30,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:36:30,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 01:36:30,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-23 01:36:30,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017471504] [2020-12-23 01:36:30,924 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:30,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501204673] [2020-12-23 01:36:30,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:30,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 01:36:30,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275517963] [2020-12-23 01:36:30,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:36:30,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:30,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:36:30,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:36:30,926 INFO L87 Difference]: Start difference. First operand 110 states and 115 transitions. Second operand 19 states. [2020-12-23 01:36:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:31,628 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-12-23 01:36:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 01:36:31,629 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 73 [2020-12-23 01:36:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:31,630 INFO L225 Difference]: With dead ends: 119 [2020-12-23 01:36:31,630 INFO L226 Difference]: Without dead ends: 83 [2020-12-23 01:36:31,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:36:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-23 01:36:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2020-12-23 01:36:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 01:36:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2020-12-23 01:36:31,642 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 73 [2020-12-23 01:36:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:31,643 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2020-12-23 01:36:31,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:36:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-12-23 01:36:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 01:36:31,643 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:31,644 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:36:31,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-23 01:36:31,858 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:31,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:31,859 INFO L82 PathProgramCache]: Analyzing trace with hash 93273000, now seen corresponding path program 22 times [2020-12-23 01:36:31,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:31,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668464044] [2020-12-23 01:36:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:31,880 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:31,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281689058] [2020-12-23 01:36:31,880 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:36:32,081 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:36:32,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:36:32,085 WARN L261 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 112 conjunts are in the unsatisfiable core [2020-12-23 01:36:32,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:32,099 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:36:32,100 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,110 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:32,111 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,112 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-12-23 01:36:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:32,135 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:36:32,137 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:32,154 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,154 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:36:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:32,220 INFO L348 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2020-12-23 01:36:32,221 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2020-12-23 01:36:32,224 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,244 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:32,244 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,245 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:36:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:32,399 INFO L348 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2020-12-23 01:36:32,399 INFO L382 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 3 case distinctions, treesize of input 39 treesize of output 98 [2020-12-23 01:36:32,406 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,485 INFO L625 ElimStorePlain]: treesize reduction 42, result has 50.6 percent of original size [2020-12-23 01:36:32,486 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,486 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-12-23 01:36:32,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:32,710 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-12-23 01:36:32,711 INFO L348 Elim1Store]: treesize reduction 77, result has 51.9 percent of original size [2020-12-23 01:36:32,711 INFO L382 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 6 case distinctions, treesize of input 51 treesize of output 113 [2020-12-23 01:36:32,715 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,809 INFO L625 ElimStorePlain]: treesize reduction 42, result has 56.7 percent of original size [2020-12-23 01:36:32,811 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:32,811 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:36:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:33,151 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-12-23 01:36:33,152 INFO L348 Elim1Store]: treesize reduction 66, result has 69.3 percent of original size [2020-12-23 01:36:33,152 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 182 [2020-12-23 01:36:33,154 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:33,288 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-12-23 01:36:33,289 INFO L625 ElimStorePlain]: treesize reduction 86, result has 41.5 percent of original size [2020-12-23 01:36:33,290 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:33,290 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:61 [2020-12-23 01:36:33,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:33,744 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2020-12-23 01:36:33,744 INFO L348 Elim1Store]: treesize reduction 163, result has 49.7 percent of original size [2020-12-23 01:36:33,745 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 197 [2020-12-23 01:36:33,758 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:33,914 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-12-23 01:36:33,915 INFO L625 ElimStorePlain]: treesize reduction 86, result has 45.9 percent of original size [2020-12-23 01:36:33,916 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:33,916 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2020-12-23 01:36:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,519 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 67 [2020-12-23 01:36:34,520 INFO L348 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2020-12-23 01:36:34,520 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 75 treesize of output 266 [2020-12-23 01:36:34,525 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,732 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2020-12-23 01:36:34,733 INFO L625 ElimStorePlain]: treesize reduction 130, result has 37.8 percent of original size [2020-12-23 01:36:34,734 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,735 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:79 [2020-12-23 01:36:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,463 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 77 [2020-12-23 01:36:35,464 INFO L348 Elim1Store]: treesize reduction 240, result has 52.6 percent of original size [2020-12-23 01:36:35,464 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 84 treesize of output 308 [2020-12-23 01:36:35,470 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,682 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2020-12-23 01:36:35,683 INFO L625 ElimStorePlain]: treesize reduction 152, result has 37.4 percent of original size [2020-12-23 01:36:35,684 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,684 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:91 [2020-12-23 01:36:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,663 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:36:36,664 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:36:36,664 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 103 treesize of output 228 [2020-12-23 01:36:36,669 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:36,842 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2020-12-23 01:36:36,842 INFO L625 ElimStorePlain]: treesize reduction 178, result has 36.0 percent of original size [2020-12-23 01:36:36,843 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:36,843 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:100 [2020-12-23 01:36:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,699 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 95 [2020-12-23 01:36:37,700 INFO L348 Elim1Store]: treesize reduction 339, result has 40.3 percent of original size [2020-12-23 01:36:37,701 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 112 treesize of output 358 [2020-12-23 01:36:37,714 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:37,974 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 56 [2020-12-23 01:36:37,975 INFO L625 ElimStorePlain]: treesize reduction 384, result has 22.4 percent of original size [2020-12-23 01:36:37,976 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:37,976 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:111 [2020-12-23 01:36:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,667 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:36:38,668 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:36:38,668 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 115 treesize of output 230 [2020-12-23 01:36:38,674 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:38,844 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-12-23 01:36:38,845 INFO L625 ElimStorePlain]: treesize reduction 148, result has 41.3 percent of original size [2020-12-23 01:36:38,845 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:38,846 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:104 [2020-12-23 01:36:39,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,645 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 84 [2020-12-23 01:36:39,646 INFO L348 Elim1Store]: treesize reduction 257, result has 43.8 percent of original size [2020-12-23 01:36:39,647 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 322 [2020-12-23 01:36:39,654 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:39,848 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2020-12-23 01:36:39,849 INFO L625 ElimStorePlain]: treesize reduction 280, result has 27.5 percent of original size [2020-12-23 01:36:39,850 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:39,850 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:106 [2020-12-23 01:36:40,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,686 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 84 [2020-12-23 01:36:40,688 INFO L348 Elim1Store]: treesize reduction 257, result has 43.8 percent of original size [2020-12-23 01:36:40,688 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 322 [2020-12-23 01:36:40,698 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:40,871 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2020-12-23 01:36:40,872 INFO L625 ElimStorePlain]: treesize reduction 239, result has 32.5 percent of original size [2020-12-23 01:36:40,873 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:40,874 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:115 [2020-12-23 01:36:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:41,638 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:36:41,639 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:36:41,640 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 118 treesize of output 231 [2020-12-23 01:36:41,647 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:41,821 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-12-23 01:36:41,822 INFO L625 ElimStorePlain]: treesize reduction 162, result has 40.2 percent of original size [2020-12-23 01:36:41,823 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:41,823 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:109 [2020-12-23 01:36:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,897 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 95 [2020-12-23 01:36:42,898 INFO L348 Elim1Store]: treesize reduction 339, result has 40.3 percent of original size [2020-12-23 01:36:42,899 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 121 treesize of output 361 [2020-12-23 01:36:42,909 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:43,175 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-12-23 01:36:43,176 INFO L625 ElimStorePlain]: treesize reduction 426, result has 21.8 percent of original size [2020-12-23 01:36:43,178 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:43,178 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:119 [2020-12-23 01:36:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,987 INFO L348 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2020-12-23 01:36:43,987 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 123 treesize of output 111 [2020-12-23 01:36:43,990 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:44,074 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:44,075 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:44,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:104 [2020-12-23 01:36:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:45,949 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-12-23 01:36:45,950 INFO L348 Elim1Store]: treesize reduction 322, result has 57.2 percent of original size [2020-12-23 01:36:45,950 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 122 treesize of output 481 [2020-12-23 01:36:45,959 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:46,262 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2020-12-23 01:36:46,262 INFO L625 ElimStorePlain]: treesize reduction 422, result has 20.4 percent of original size [2020-12-23 01:36:46,263 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:46,263 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:108 [2020-12-23 01:36:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:48,262 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-12-23 01:36:48,263 INFO L348 Elim1Store]: treesize reduction 322, result has 57.2 percent of original size [2020-12-23 01:36:48,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 119 treesize of output 482 [2020-12-23 01:36:48,272 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:48,570 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 51 [2020-12-23 01:36:48,570 INFO L625 ElimStorePlain]: treesize reduction 380, result has 19.8 percent of original size [2020-12-23 01:36:48,571 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:48,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:94 [2020-12-23 01:36:49,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:50,661 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-12-23 01:36:50,661 INFO L348 Elim1Store]: treesize reduction 322, result has 57.2 percent of original size [2020-12-23 01:36:50,662 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 107 treesize of output 478 [2020-12-23 01:36:50,669 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:50,953 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 52 [2020-12-23 01:36:50,953 INFO L625 ElimStorePlain]: treesize reduction 422, result has 19.2 percent of original size [2020-12-23 01:36:50,954 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:50,954 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:100 [2020-12-23 01:36:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:52,920 WARN L197 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 98 [2020-12-23 01:36:52,920 INFO L348 Elim1Store]: treesize reduction 401, result has 49.2 percent of original size [2020-12-23 01:36:52,921 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 116 treesize of output 437 [2020-12-23 01:36:52,931 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:53,220 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 51 [2020-12-23 01:36:53,221 INFO L625 ElimStorePlain]: treesize reduction 332, result has 22.6 percent of original size [2020-12-23 01:36:53,221 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:53,222 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:97 [2020-12-23 01:36:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:55,320 WARN L197 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-12-23 01:36:55,321 INFO L348 Elim1Store]: treesize reduction 322, result has 57.2 percent of original size [2020-12-23 01:36:55,321 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 107 treesize of output 478 [2020-12-23 01:36:55,329 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:55,616 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 52 [2020-12-23 01:36:55,617 INFO L625 ElimStorePlain]: treesize reduction 422, result has 19.2 percent of original size [2020-12-23 01:36:55,618 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:55,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:100 [2020-12-23 01:36:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:57,761 WARN L197 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 98 [2020-12-23 01:36:57,762 INFO L348 Elim1Store]: treesize reduction 401, result has 49.2 percent of original size [2020-12-23 01:36:57,762 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 116 treesize of output 437 [2020-12-23 01:36:57,769 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:58,073 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 51 [2020-12-23 01:36:58,074 INFO L625 ElimStorePlain]: treesize reduction 332, result has 22.6 percent of original size [2020-12-23 01:36:58,074 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:58,075 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:97 [2020-12-23 01:36:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:00,666 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 217 DAG size of output: 105 [2020-12-23 01:37:00,667 INFO L348 Elim1Store]: treesize reduction 322, result has 57.2 percent of original size [2020-12-23 01:37:00,667 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 107 treesize of output 478 [2020-12-23 01:37:00,674 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:00,994 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 52 [2020-12-23 01:37:00,995 INFO L625 ElimStorePlain]: treesize reduction 422, result has 19.2 percent of original size [2020-12-23 01:37:00,996 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:00,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:100 [2020-12-23 01:37:01,793 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-23 01:37:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:02,908 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 38 [2020-12-23 01:37:02,909 INFO L348 Elim1Store]: treesize reduction 512, result has 10.8 percent of original size [2020-12-23 01:37:02,909 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 109 treesize of output 109 [2020-12-23 01:37:02,911 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:03,022 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-23 01:37:03,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:03,023 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:03,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:103 [2020-12-23 01:37:04,664 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-23 01:37:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:04,904 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:37:04,905 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:37:04,905 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 230 [2020-12-23 01:37:04,912 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:05,181 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2020-12-23 01:37:05,182 INFO L625 ElimStorePlain]: treesize reduction 208, result has 35.8 percent of original size [2020-12-23 01:37:05,183 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:05,183 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:116 [2020-12-23 01:37:06,061 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 01:37:06,784 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-23 01:37:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:07,024 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:37:07,024 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:37:07,025 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 123 treesize of output 232 [2020-12-23 01:37:07,031 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:07,304 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-12-23 01:37:07,305 INFO L625 ElimStorePlain]: treesize reduction 166, result has 39.2 percent of original size [2020-12-23 01:37:07,305 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:07,305 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:107 [2020-12-23 01:37:08,267 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-23 01:37:09,297 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-23 01:37:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:09,531 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:37:09,532 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:37:09,533 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 116 treesize of output 231 [2020-12-23 01:37:09,539 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:09,801 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-12-23 01:37:09,802 INFO L625 ElimStorePlain]: treesize reduction 186, result has 38.2 percent of original size [2020-12-23 01:37:09,802 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:09,803 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:115 [2020-12-23 01:37:10,799 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-23 01:37:11,812 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 01:37:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:12,149 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 84 [2020-12-23 01:37:12,150 INFO L348 Elim1Store]: treesize reduction 257, result has 43.8 percent of original size [2020-12-23 01:37:12,151 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 127 treesize of output 325 [2020-12-23 01:37:12,159 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:12,418 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2020-12-23 01:37:12,419 INFO L625 ElimStorePlain]: treesize reduction 122, result has 45.8 percent of original size [2020-12-23 01:37:12,420 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:12,420 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:103 [2020-12-23 01:37:13,384 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-23 01:37:14,571 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-23 01:37:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:14,805 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:37:14,805 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:37:14,806 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 109 treesize of output 230 [2020-12-23 01:37:14,812 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:15,123 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 58 [2020-12-23 01:37:15,124 INFO L625 ElimStorePlain]: treesize reduction 162, result has 41.9 percent of original size [2020-12-23 01:37:15,127 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:15,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:117 [2020-12-23 01:37:16,280 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-23 01:37:17,509 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-23 01:37:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:17,750 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 60 [2020-12-23 01:37:17,751 INFO L348 Elim1Store]: treesize reduction 322, result has 25.6 percent of original size [2020-12-23 01:37:17,752 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 124 treesize of output 233 [2020-12-23 01:37:17,758 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,090 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2020-12-23 01:37:18,091 INFO L625 ElimStorePlain]: treesize reduction 177, result has 42.5 percent of original size [2020-12-23 01:37:18,091 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,092 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:131 [2020-12-23 01:37:19,428 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-23 01:37:20,428 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-23 01:37:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:20,865 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 95 [2020-12-23 01:37:20,866 INFO L348 Elim1Store]: treesize reduction 339, result has 40.3 percent of original size [2020-12-23 01:37:20,866 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 365 [2020-12-23 01:37:20,874 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:21,280 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 59 [2020-12-23 01:37:21,281 INFO L625 ElimStorePlain]: treesize reduction 344, result has 24.6 percent of original size [2020-12-23 01:37:21,282 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:21,282 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:112 [2020-12-23 01:37:22,590 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-23 01:37:23,603 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-23 01:37:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:23,624 INFO L348 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2020-12-23 01:37:23,624 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 110 [2020-12-23 01:37:23,627 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:23,754 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-23 01:37:23,754 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:23,757 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:37:23,757 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:95 [2020-12-23 01:37:24,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:37:24,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:37:24,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:37:24,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:37:24,792 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:37:24,794 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:37:24,799 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:37:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:37:25,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668464044] [2020-12-23 01:37:25,887 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:37:25,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281689058] [2020-12-23 01:37:25,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:37:25,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2020-12-23 01:37:25,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124218323] [2020-12-23 01:37:25,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-12-23 01:37:25,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:37:25,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-12-23 01:37:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=4542, Unknown=0, NotChecked=0, Total=4692 [2020-12-23 01:37:25,890 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 69 states. [2020-12-23 01:37:31,331 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-23 01:37:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:37:43,365 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2020-12-23 01:37:43,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-12-23 01:37:43,366 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 79 [2020-12-23 01:37:43,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:37:43,368 INFO L225 Difference]: With dead ends: 141 [2020-12-23 01:37:43,368 INFO L226 Difference]: Without dead ends: 137 [2020-12-23 01:37:43,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=159, Invalid=4811, Unknown=0, NotChecked=0, Total=4970 [2020-12-23 01:37:43,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-23 01:37:43,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 121. [2020-12-23 01:37:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-23 01:37:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 127 transitions. [2020-12-23 01:37:43,388 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 127 transitions. Word has length 79 [2020-12-23 01:37:43,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:37:43,388 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 127 transitions. [2020-12-23 01:37:43,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-12-23 01:37:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2020-12-23 01:37:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 01:37:43,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:37:43,389 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:37:43,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:43,599 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:37:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:37:43,600 INFO L82 PathProgramCache]: Analyzing trace with hash -505726166, now seen corresponding path program 23 times [2020-12-23 01:37:43,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:37:43,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151061961] [2020-12-23 01:37:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:37:43,619 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:37:43,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903306509] [2020-12-23 01:37:43,620 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:53,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-12-23 01:37:53,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:37:53,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-23 01:37:53,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:37:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 81 proven. 64 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-12-23 01:37:54,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151061961] [2020-12-23 01:37:54,039 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:37:54,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903306509] [2020-12-23 01:37:54,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:37:54,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-23 01:37:54,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049741387] [2020-12-23 01:37:54,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 01:37:54,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:37:54,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 01:37:54,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:37:54,041 INFO L87 Difference]: Start difference. First operand 121 states and 127 transitions. Second operand 21 states. [2020-12-23 01:37:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:37:54,915 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2020-12-23 01:37:54,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 01:37:54,916 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 81 [2020-12-23 01:37:54,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:37:54,917 INFO L225 Difference]: With dead ends: 233 [2020-12-23 01:37:54,917 INFO L226 Difference]: Without dead ends: 137 [2020-12-23 01:37:54,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:37:54,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-23 01:37:54,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122. [2020-12-23 01:37:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 01:37:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 127 transitions. [2020-12-23 01:37:54,941 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 127 transitions. Word has length 81 [2020-12-23 01:37:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:37:54,941 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 127 transitions. [2020-12-23 01:37:54,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 01:37:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2020-12-23 01:37:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 01:37:54,942 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:37:54,942 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:37:55,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 01:37:55,143 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:37:55,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:37:55,144 INFO L82 PathProgramCache]: Analyzing trace with hash -574991766, now seen corresponding path program 24 times [2020-12-23 01:37:55,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:37:55,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906132924] [2020-12-23 01:37:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:37:55,162 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:37:55,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145368892] [2020-12-23 01:37:55,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:57,923 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2020-12-23 01:37:57,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:37:57,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-23 01:37:57,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:37:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-12-23 01:37:58,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906132924] [2020-12-23 01:37:58,397 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:37:58,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145368892] [2020-12-23 01:37:58,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:37:58,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-23 01:37:58,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812060653] [2020-12-23 01:37:58,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 01:37:58,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:37:58,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 01:37:58,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:37:58,399 INFO L87 Difference]: Start difference. First operand 122 states and 127 transitions. Second operand 21 states. [2020-12-23 01:37:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:37:59,268 INFO L93 Difference]: Finished difference Result 131 states and 136 transitions. [2020-12-23 01:37:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 01:37:59,270 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 81 [2020-12-23 01:37:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:37:59,274 INFO L225 Difference]: With dead ends: 131 [2020-12-23 01:37:59,274 INFO L226 Difference]: Without dead ends: 91 [2020-12-23 01:37:59,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:37:59,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-23 01:37:59,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2020-12-23 01:37:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-23 01:37:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2020-12-23 01:37:59,287 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 81 [2020-12-23 01:37:59,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:37:59,288 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2020-12-23 01:37:59,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 01:37:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2020-12-23 01:37:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 01:37:59,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:37:59,288 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:37:59,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:59,498 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:37:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:37:59,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1021482288, now seen corresponding path program 25 times [2020-12-23 01:37:59,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:37:59,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029265985] [2020-12-23 01:37:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:37:59,517 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:37:59,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614164805] [2020-12-23 01:37:59,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:37:59,687 WARN L261 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 132 conjunts are in the unsatisfiable core [2020-12-23 01:37:59,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:37:59,726 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 10 treesize of output 8 [2020-12-23 01:37:59,728 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:59,755 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:37:59,757 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,775 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:59,776 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,776 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2020-12-23 01:37:59,815 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:37:59,817 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:59,837 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,837 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2020-12-23 01:37:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:37:59,909 INFO L382 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 30 treesize of output 32 [2020-12-23 01:37:59,911 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:59,935 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:59,935 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:38:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,029 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2020-12-23 01:38:00,030 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,061 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:00,061 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,062 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2020-12-23 01:38:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,188 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-23 01:38:00,193 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,226 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:00,228 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,228 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:57 [2020-12-23 01:38:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,391 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 71 [2020-12-23 01:38:00,394 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:00,437 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,437 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2020-12-23 01:38:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,613 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2020-12-23 01:38:00,615 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:00,660 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,660 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:75 [2020-12-23 01:38:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:00,884 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 95 [2020-12-23 01:38:00,887 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,937 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:00,938 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:00,938 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2020-12-23 01:38:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2020-12-23 01:38:01,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:01,281 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:01,282 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:01,282 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2020-12-23 01:38:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:01,589 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 125 [2020-12-23 01:38:01,601 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:01,674 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:01,675 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:01,675 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2020-12-23 01:38:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,280 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,302 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 123 [2020-12-23 01:38:02,304 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:02,367 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:02,368 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:02,368 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:107 [2020-12-23 01:38:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,700 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:02,727 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 121 [2020-12-23 01:38:02,732 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:02,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:02,791 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:02,791 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:111 [2020-12-23 01:38:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,129 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,162 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 126 [2020-12-23 01:38:03,165 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:03,225 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:03,227 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:03,227 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:118 [2020-12-23 01:38:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,617 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:03,642 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 129 [2020-12-23 01:38:03,646 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:03,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:03,711 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:03,712 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:138 [2020-12-23 01:38:04,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,106 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,143 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 126 [2020-12-23 01:38:04,146 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:04,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:04,202 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:04,203 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:105 [2020-12-23 01:38:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,569 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:04,603 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 124 [2020-12-23 01:38:04,606 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:04,667 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:04,668 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:04,669 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:118 [2020-12-23 01:38:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,138 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,154 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 123 [2020-12-23 01:38:05,157 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:05,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:05,223 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:05,224 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:111 [2020-12-23 01:38:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,668 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:05,686 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 123 [2020-12-23 01:38:05,688 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:05,753 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:05,754 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:05,754 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:111 [2020-12-23 01:38:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,239 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 121 [2020-12-23 01:38:06,242 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,300 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,301 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,302 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:106 [2020-12-23 01:38:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,802 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,823 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 125 [2020-12-23 01:38:06,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,896 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:119 [2020-12-23 01:38:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,389 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,417 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 125 [2020-12-23 01:38:07,419 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,481 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:07,482 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,483 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:123 [2020-12-23 01:38:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,984 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,018 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 130 [2020-12-23 01:38:08,021 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:08,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:08,086 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:08,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:132 [2020-12-23 01:38:08,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,645 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,673 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 129 [2020-12-23 01:38:08,677 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:08,748 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:08,750 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:08,750 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:156, output treesize:149 [2020-12-23 01:38:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:09,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,337 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 125 [2020-12-23 01:38:09,340 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:09,407 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:09,408 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:09,409 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:166, output treesize:157 [2020-12-23 01:38:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,929 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,973 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 125 [2020-12-23 01:38:09,976 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:10,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:10,054 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:10,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:151 [2020-12-23 01:38:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,660 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:10,685 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 130 [2020-12-23 01:38:10,689 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:10,759 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:10,761 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:10,761 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:181, output treesize:148 [2020-12-23 01:38:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,335 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:11,367 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 135 [2020-12-23 01:38:11,370 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:11,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:11,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:11,441 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:178, output treesize:189 [2020-12-23 01:38:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,078 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 125 [2020-12-23 01:38:12,082 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:12,143 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:12,144 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:12,145 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:144 [2020-12-23 01:38:12,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,766 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,785 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 129 [2020-12-23 01:38:12,788 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:12,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:12,859 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:12,859 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:107 [2020-12-23 01:38:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,457 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,477 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 126 [2020-12-23 01:38:13,479 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:13,545 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:13,547 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:13,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:120 [2020-12-23 01:38:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,188 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,217 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 131 [2020-12-23 01:38:14,220 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:14,275 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:14,276 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:14,276 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:113 [2020-12-23 01:38:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,895 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:14,921 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 132 [2020-12-23 01:38:14,924 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:14,999 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:15,000 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:15,001 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:126 [2020-12-23 01:38:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,749 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:15,772 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 123 [2020-12-23 01:38:15,775 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:15,844 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:15,846 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:15,846 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:130 [2020-12-23 01:38:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,515 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:16,571 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 126 [2020-12-23 01:38:16,575 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:16,644 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:16,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:16,646 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:144 [2020-12-23 01:38:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,416 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:17,460 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 131 [2020-12-23 01:38:17,463 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:17,528 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:17,530 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:17,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:129 [2020-12-23 01:38:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,324 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:18,340 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 37 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 126 [2020-12-23 01:38:18,343 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:18,407 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:18,408 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:18,408 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:130 [2020-12-23 01:38:19,145 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 108 [2020-12-23 01:38:19,149 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:19,194 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:19,196 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:38:19,196 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:119, output treesize:108 [2020-12-23 01:38:19,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:38:19,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:38:19,596 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:38:19,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:38:19,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:38:19,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:38:19,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:38:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:38:19,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029265985] [2020-12-23 01:38:19,898 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:38:19,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614164805] [2020-12-23 01:38:19,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:38:19,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2020-12-23 01:38:19,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350830081] [2020-12-23 01:38:19,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 79 states [2020-12-23 01:38:19,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2020-12-23 01:38:19,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=5917, Unknown=0, NotChecked=0, Total=6162 [2020-12-23 01:38:19,900 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand 79 states. [2020-12-23 01:38:24,031 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-12-23 01:38:24,741 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 01:38:25,090 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-23 01:38:25,508 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-12-23 01:38:25,896 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-12-23 01:38:26,739 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 01:38:27,140 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 01:38:28,055 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 01:38:28,464 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 01:38:28,891 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-23 01:38:29,684 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-23 01:38:30,069 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:30,459 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-23 01:38:30,888 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:31,290 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:31,689 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:32,080 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:32,478 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:32,867 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:33,240 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:33,615 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:34,023 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:34,417 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:34,800 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:35,180 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:35,587 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:36,005 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:36,417 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-12-23 01:38:37,243 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-23 01:38:37,690 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:38,084 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:38:38,539 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:38,930 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:39,381 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:39,795 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:40,282 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:40,731 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:41,276 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:41,753 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:42,285 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:42,752 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:43,270 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:43,703 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:44,254 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:44,726 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:45,212 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:38:46,255 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:46,702 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:47,145 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:47,638 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:48,080 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-12-23 01:38:48,537 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:48,964 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 01:38:49,477 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 01:38:49,914 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-23 01:38:50,365 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:50,811 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:51,286 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:51,846 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-12-23 01:38:52,347 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:52,830 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:53,308 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-12-23 01:38:53,768 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:38:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:55,543 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2020-12-23 01:38:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-12-23 01:38:55,545 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 87 [2020-12-23 01:38:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:55,546 INFO L225 Difference]: With dead ends: 155 [2020-12-23 01:38:55,546 INFO L226 Difference]: Without dead ends: 151 [2020-12-23 01:38:55,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4456 ImplicationChecksByTransitivity, 38.5s TimeCoverageRelationStatistics Valid=735, Invalid=23135, Unknown=0, NotChecked=0, Total=23870 [2020-12-23 01:38:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-12-23 01:38:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 133. [2020-12-23 01:38:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-23 01:38:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 139 transitions. [2020-12-23 01:38:55,569 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 139 transitions. Word has length 87 [2020-12-23 01:38:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:55,569 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 139 transitions. [2020-12-23 01:38:55,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 79 states. [2020-12-23 01:38:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2020-12-23 01:38:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 01:38:55,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:55,570 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:55,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-12-23 01:38:55,781 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:55,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:55,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1849797966, now seen corresponding path program 26 times [2020-12-23 01:38:55,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:55,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858170776] [2020-12-23 01:38:55,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:55,819 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:38:55,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756250742] [2020-12-23 01:38:55,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:55,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:38:55,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:38:55,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-23 01:38:55,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:38:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 100 proven. 81 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-12-23 01:38:56,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858170776] [2020-12-23 01:38:56,741 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:38:56,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756250742] [2020-12-23 01:38:56,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:38:56,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-12-23 01:38:56,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231635596] [2020-12-23 01:38:56,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 01:38:56,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:56,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 01:38:56,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-12-23 01:38:56,743 INFO L87 Difference]: Start difference. First operand 133 states and 139 transitions. Second operand 23 states. [2020-12-23 01:38:58,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:58,020 INFO L93 Difference]: Finished difference Result 255 states and 266 transitions. [2020-12-23 01:38:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 01:38:58,022 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 89 [2020-12-23 01:38:58,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:58,023 INFO L225 Difference]: With dead ends: 255 [2020-12-23 01:38:58,023 INFO L226 Difference]: Without dead ends: 149 [2020-12-23 01:38:58,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:38:58,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-12-23 01:38:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2020-12-23 01:38:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-23 01:38:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2020-12-23 01:38:58,051 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 89 [2020-12-23 01:38:58,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:58,051 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2020-12-23 01:38:58,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 01:38:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2020-12-23 01:38:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 01:38:58,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:58,052 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:58,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-23 01:38:58,260 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:58,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash -143406606, now seen corresponding path program 27 times [2020-12-23 01:38:58,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:58,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886721608] [2020-12-23 01:38:58,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:58,279 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:38:58,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38661186] [2020-12-23 01:38:58,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:39:02,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2020-12-23 01:39:02,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:39:02,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-23 01:39:02,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:39:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 81 proven. 100 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-12-23 01:39:03,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886721608] [2020-12-23 01:39:03,530 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:39:03,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38661186] [2020-12-23 01:39:03,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:39:03,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-12-23 01:39:03,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957807477] [2020-12-23 01:39:03,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 01:39:03,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:39:03,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 01:39:03,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-12-23 01:39:03,531 INFO L87 Difference]: Start difference. First operand 134 states and 139 transitions. Second operand 23 states. [2020-12-23 01:39:04,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:39:04,779 INFO L93 Difference]: Finished difference Result 143 states and 148 transitions. [2020-12-23 01:39:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 01:39:04,781 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 89 [2020-12-23 01:39:04,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:39:04,782 INFO L225 Difference]: With dead ends: 143 [2020-12-23 01:39:04,782 INFO L226 Difference]: Without dead ends: 99 [2020-12-23 01:39:04,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:39:04,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-12-23 01:39:04,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 96. [2020-12-23 01:39:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-23 01:39:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2020-12-23 01:39:04,798 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 89 [2020-12-23 01:39:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:39:04,799 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 99 transitions. [2020-12-23 01:39:04,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 01:39:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2020-12-23 01:39:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 01:39:04,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:39:04,799 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:39:05,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-12-23 01:39:05,014 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:39:05,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:39:05,015 INFO L82 PathProgramCache]: Analyzing trace with hash 424838840, now seen corresponding path program 28 times [2020-12-23 01:39:05,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:39:05,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057216803] [2020-12-23 01:39:05,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:39:05,037 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:39:05,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317962067] [2020-12-23 01:39:05,037 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:39:05,182 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:39:05,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:39:05,186 WARN L261 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 136 conjunts are in the unsatisfiable core [2020-12-23 01:39:05,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:39:05,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:39:05,210 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,225 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:39:05,226 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,226 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-12-23 01:39:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:39:05,259 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:39:05,261 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,283 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:39:05,284 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,284 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:39:05,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:39:05,384 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:39:05,384 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:39:05,387 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,462 INFO L625 ElimStorePlain]: treesize reduction 20, result has 63.0 percent of original size [2020-12-23 01:39:05,463 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,463 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2020-12-23 01:39:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:39:05,666 INFO L348 Elim1Store]: treesize reduction 52, result has 45.8 percent of original size [2020-12-23 01:39:05,666 INFO L382 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 3 case distinctions, treesize of input 42 treesize of output 71 [2020-12-23 01:39:05,668 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,768 INFO L625 ElimStorePlain]: treesize reduction 20, result has 69.7 percent of original size [2020-12-23 01:39:05,769 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:05,770 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2020-12-23 01:39:05,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:39:06,167 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-12-23 01:39:06,168 INFO L348 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2020-12-23 01:39:06,168 INFO L382 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 6 case distinctions, treesize of input 48 treesize of output 140 [2020-12-23 01:39:06,171 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:06,325 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-12-23 01:39:06,326 INFO L625 ElimStorePlain]: treesize reduction 64, result has 44.8 percent of original size [2020-12-23 01:39:06,327 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:06,328 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2020-12-23 01:39:06,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:39:06,927 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-12-23 01:39:06,928 INFO L348 Elim1Store]: treesize reduction 66, result has 69.3 percent of original size [2020-12-23 01:39:06,929 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 182 [2020-12-23 01:39:06,933 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:39:07,142 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-12-23 01:39:07,143 INFO L625 ElimStorePlain]: treesize reduction 86, result has 41.5 percent of original size [2020-12-23 01:39:07,144 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:39:07,144 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:61