/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/nsqm.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:25:20,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:25:20,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:25:20,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:25:20,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:25:20,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:25:20,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:25:20,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:25:20,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:25:20,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:25:20,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:25:20,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:25:20,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:25:20,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:25:20,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:25:20,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:25:20,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:25:20,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:25:20,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:25:20,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:25:20,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:25:20,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:25:20,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:25:20,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:25:20,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:25:20,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:25:20,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:25:20,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:25:20,470 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 01:25:20,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:25:20,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:25:20,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:25:20,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:25:20,524 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:25:20,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:25:20,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:25:20,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:25:20,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:25:20,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:25:20,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:25:20,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:25:20,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:25:20,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:25:20,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:25:20,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:25:20,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:25:20,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:25:20,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:25:20,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:25:20,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:25:20,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:25:20,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:25:20,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:25:20,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:25:20,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:25:21,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:25:21,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:25:21,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:25:21,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:25:21,047 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:25:21,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/nsqm.c [2020-12-23 01:25:21,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cce01b289/870054852b7642f98b2706dcff76ab56/FLAGc6ad6633c [2020-12-23 01:25:21,934 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:25:21,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm.c [2020-12-23 01:25:21,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cce01b289/870054852b7642f98b2706dcff76ab56/FLAGc6ad6633c [2020-12-23 01:25:22,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cce01b289/870054852b7642f98b2706dcff76ab56 [2020-12-23 01:25:22,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:25:22,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:25:22,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:25:22,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:25:22,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:25:22,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471564c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22, skipping insertion in model container [2020-12-23 01:25:22,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:25:22,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:25:22,454 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/nsqm.c[587,600] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],StructAccessExpression[IdentifierExpression[~b~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],StructAccessExpression[IdentifierExpression[~a~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~b~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[~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,] [2020-12-23 01:25:22,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:25:22,500 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:25:22,526 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/nsqm.c[587,600] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],StructAccessExpression[IdentifierExpression[~b~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],StructAccessExpression[IdentifierExpression[~a~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~b~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[~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,] [2020-12-23 01:25:22,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:25:22,592 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:25:22,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22 WrapperNode [2020-12-23 01:25:22,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:25:22,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:25:22,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:25:22,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:25:22,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:25:22,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:25:22,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:25:22,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:25:22,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (1/1) ... [2020-12-23 01:25:22,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:25:22,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:25:22,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:25:22,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:25:22,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (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 01:25:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:25:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:25:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 01:25:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 01:25:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:25:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:25:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 01:25:23,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:25:23,198 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-23 01:25:23,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:25:23 BoogieIcfgContainer [2020-12-23 01:25:23,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:25:23,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:25:23,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:25:23,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:25:23,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:25:22" (1/3) ... [2020-12-23 01:25:23,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba0737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:25:23, skipping insertion in model container [2020-12-23 01:25:23,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:25:22" (2/3) ... [2020-12-23 01:25:23,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba0737f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:25:23, skipping insertion in model container [2020-12-23 01:25:23,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:25:23" (3/3) ... [2020-12-23 01:25:23,210 INFO L111 eAbstractionObserver]: Analyzing ICFG nsqm.c [2020-12-23 01:25:23,219 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:25:23,225 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:25:23,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:25:23,288 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:25:23,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:25:23,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:25:23,289 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:25:23,289 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:25:23,289 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:25:23,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:25:23,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:25:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-23 01:25:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 01:25:23,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:23,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:23,322 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:23,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2020-12-23 01:25:23,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:23,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052707824] [2020-12-23 01:25:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:23,547 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 01:25:23,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052707824] [2020-12-23 01:25:23,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:25:23,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:25:23,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231933935] [2020-12-23 01:25:23,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 01:25:23,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 01:25:23,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:25:23,578 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-12-23 01:25:23,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:23,599 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2020-12-23 01:25:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 01:25:23,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-23 01:25:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:23,610 INFO L225 Difference]: With dead ends: 38 [2020-12-23 01:25:23,611 INFO L226 Difference]: Without dead ends: 17 [2020-12-23 01:25:23,614 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 01:25:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-23 01:25:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-23 01:25:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-23 01:25:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-12-23 01:25:23,652 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2020-12-23 01:25:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:23,653 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-12-23 01:25:23,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 01:25:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-12-23 01:25:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 01:25:23,654 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:23,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:23,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:25:23,655 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:23,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:23,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2020-12-23 01:25:23,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:23,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208666455] [2020-12-23 01:25:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:23,700 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:25:23,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893768293] [2020-12-23 01:25:23,701 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 01:25:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:23,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 01:25:23,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:23,986 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:23,987 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 1 case distinctions, treesize of input 29 treesize of output 43 [2020-12-23 01:25:23,991 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,032 INFO L625 ElimStorePlain]: treesize reduction 18, result has 63.3 percent of original size [2020-12-23 01:25:24,041 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:16 [2020-12-23 01:25:24,138 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 01:25:24,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208666455] [2020-12-23 01:25:24,139 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:25:24,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893768293] [2020-12-23 01:25:24,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:25:24,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 01:25:24,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788256409] [2020-12-23 01:25:24,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 01:25:24,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:24,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 01:25:24,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-23 01:25:24,144 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 8 states. [2020-12-23 01:25:24,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:24,522 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2020-12-23 01:25:24,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 01:25:24,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-12-23 01:25:24,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:24,524 INFO L225 Difference]: With dead ends: 34 [2020-12-23 01:25:24,524 INFO L226 Difference]: Without dead ends: 32 [2020-12-23 01:25:24,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:25:24,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-23 01:25:24,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2020-12-23 01:25:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-23 01:25:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-12-23 01:25:24,533 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2020-12-23 01:25:24,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:24,533 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-12-23 01:25:24,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 01:25:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-12-23 01:25:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 01:25:24,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:24,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:24,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 01:25:24,749 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:24,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:24,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2020-12-23 01:25:24,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:24,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619799731] [2020-12-23 01:25:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:24,774 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:25:24,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040281598] [2020-12-23 01:25:24,775 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 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 01:25:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:24,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 01:25:24,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:24,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619799731] [2020-12-23 01:25:24,895 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:25:24,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040281598] [2020-12-23 01:25:24,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:25:24,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 01:25:24,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302069223] [2020-12-23 01:25:24,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 01:25:24,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:24,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 01:25:24,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:25:24,898 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 5 states. [2020-12-23 01:25:25,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:25,014 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2020-12-23 01:25:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 01:25:25,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-12-23 01:25:25,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:25,019 INFO L225 Difference]: With dead ends: 49 [2020-12-23 01:25:25,019 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 01:25:25,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:25:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 01:25:25,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2020-12-23 01:25:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-23 01:25:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-12-23 01:25:25,038 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2020-12-23 01:25:25,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:25,039 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-12-23 01:25:25,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 01:25:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-12-23 01:25:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 01:25:25,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:25,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:25,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:25,257 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:25,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2020-12-23 01:25:25,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:25,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399589512] [2020-12-23 01:25:25,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:25,308 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:25:25,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306322543] [2020-12-23 01:25:25,309 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 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 01:25:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:25,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 01:25:25,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:25,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399589512] [2020-12-23 01:25:25,418 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:25:25,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306322543] [2020-12-23 01:25:25,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:25:25,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-12-23 01:25:25,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148568000] [2020-12-23 01:25:25,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 01:25:25,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:25,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 01:25:25,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:25:25,422 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2020-12-23 01:25:25,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:25,522 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-12-23 01:25:25,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 01:25:25,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-12-23 01:25:25,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:25,525 INFO L225 Difference]: With dead ends: 44 [2020-12-23 01:25:25,525 INFO L226 Difference]: Without dead ends: 37 [2020-12-23 01:25:25,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:25:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-23 01:25:25,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2020-12-23 01:25:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-23 01:25:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-12-23 01:25:25,542 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2020-12-23 01:25:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:25,543 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-12-23 01:25:25,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 01:25:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-23 01:25:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 01:25:25,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:25,546 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:25,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:25,760 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:25,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2020-12-23 01:25:25,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:25,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124487911] [2020-12-23 01:25:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:25,798 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:25:25,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068989661] [2020-12-23 01:25:25,799 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 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 01:25:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:25,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 01:25:25,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:25,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124487911] [2020-12-23 01:25:25,917 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:25:25,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068989661] [2020-12-23 01:25:25,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:25:25,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 01:25:25,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389551859] [2020-12-23 01:25:25,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 01:25:25,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:25,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 01:25:25,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:25:25,920 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 6 states. [2020-12-23 01:25:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:26,034 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2020-12-23 01:25:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 01:25:26,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-23 01:25:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:26,036 INFO L225 Difference]: With dead ends: 41 [2020-12-23 01:25:26,036 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 01:25:26,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:25:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 01:25:26,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2020-12-23 01:25:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-23 01:25:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-12-23 01:25:26,041 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2020-12-23 01:25:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:26,042 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-12-23 01:25:26,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 01:25:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-12-23 01:25:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 01:25:26,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:26,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:26,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:26,258 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:26,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:26,259 INFO L82 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2020-12-23 01:25:26,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:26,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120541580] [2020-12-23 01:25:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:26,281 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:25:26,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619963954] [2020-12-23 01:25:26,282 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 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 01:25:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:26,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-23 01:25:26,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:26,405 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 01:25:26,408 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:26,424 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 29 treesize of output 17 [2020-12-23 01:25:26,426 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:26,437 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 01:25:26,438 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:24 [2020-12-23 01:25:26,512 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-12-23 01:25:26,513 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 43 treesize of output 74 [2020-12-23 01:25:26,518 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,552 INFO L625 ElimStorePlain]: treesize reduction 22, result has 70.3 percent of original size [2020-12-23 01:25:26,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,560 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 01:25:26,561 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:52 [2020-12-23 01:25:26,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,835 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:26,836 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 98 [2020-12-23 01:25:26,843 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,931 INFO L348 Elim1Store]: treesize reduction 17, result has 83.7 percent of original size [2020-12-23 01:25:26,932 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 75 treesize of output 175 [2020-12-23 01:25:26,941 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:27,111 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2020-12-23 01:25:27,113 INFO L625 ElimStorePlain]: treesize reduction 239, result has 38.4 percent of original size [2020-12-23 01:25:27,136 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-12-23 01:25:27,137 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:157, output treesize:149 [2020-12-23 01:25:32,221 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 01:25:36,009 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 71 [2020-12-23 01:25:36,029 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-23 01:25:36,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:36,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120541580] [2020-12-23 01:25:36,068 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:25:36,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619963954] [2020-12-23 01:25:36,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:25:36,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-23 01:25:36,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086891395] [2020-12-23 01:25:36,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 01:25:36,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:36,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 01:25:36,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=64, Unknown=3, NotChecked=0, Total=90 [2020-12-23 01:25:36,070 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 10 states. [2020-12-23 01:25:46,113 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 01:25:48,984 WARN L197 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-12-23 01:25:51,721 WARN L197 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2020-12-23 01:25:54,516 WARN L197 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2020-12-23 01:25:56,743 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-12-23 01:26:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:02,790 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2020-12-23 01:26:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:26:02,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-12-23 01:26:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:02,793 INFO L225 Difference]: With dead ends: 39 [2020-12-23 01:26:02,793 INFO L226 Difference]: Without dead ends: 37 [2020-12-23 01:26:02,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 19.1s TimeCoverageRelationStatistics Valid=86, Invalid=215, Unknown=5, NotChecked=0, Total=306 [2020-12-23 01:26:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-23 01:26:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2020-12-23 01:26:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-23 01:26:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-12-23 01:26:02,801 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-12-23 01:26:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:02,802 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-12-23 01:26:02,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 01:26:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-12-23 01:26:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 01:26:02,802 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:02,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:03,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 01:26:03,012 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:03,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:03,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 2 times [2020-12-23 01:26:03,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:03,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269961900] [2020-12-23 01:26:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:03,064 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:03,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790835647] [2020-12-23 01:26:03,066 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 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 01:26:03,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:26:03,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:03,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:26:03,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:03,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269961900] [2020-12-23 01:26:03,216 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:03,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790835647] [2020-12-23 01:26:03,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:03,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 01:26:03,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185797905] [2020-12-23 01:26:03,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 01:26:03,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:03,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 01:26:03,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:26:03,227 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-12-23 01:26:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:03,384 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2020-12-23 01:26:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 01:26:03,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-12-23 01:26:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:03,385 INFO L225 Difference]: With dead ends: 61 [2020-12-23 01:26:03,385 INFO L226 Difference]: Without dead ends: 54 [2020-12-23 01:26:03,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 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 01:26:03,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-12-23 01:26:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 30. [2020-12-23 01:26:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 01:26:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-12-23 01:26:03,394 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 18 [2020-12-23 01:26:03,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:03,394 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-12-23 01:26:03,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 01:26:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-12-23 01:26:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 01:26:03,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:03,395 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:03,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:03,597 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2020-12-23 01:26:03,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:03,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564649594] [2020-12-23 01:26:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:03,628 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:03,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141936036] [2020-12-23 01:26:03,629 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 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 01:26:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:03,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 01:26:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:03,757 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 01:26:03,759 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:03,773 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:03,781 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 29 treesize of output 17 [2020-12-23 01:26:03,781 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:03,794 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:03,795 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 01:26:03,795 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:27 [2020-12-23 01:26:03,880 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-12-23 01:26:03,880 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 43 treesize of output 74 [2020-12-23 01:26:03,888 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:03,931 INFO L625 ElimStorePlain]: treesize reduction 31, result has 61.3 percent of original size [2020-12-23 01:26:03,932 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 01:26:03,933 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:49 [2020-12-23 01:26:04,074 INFO L348 Elim1Store]: treesize reduction 40, result has 45.2 percent of original size [2020-12-23 01:26:04,076 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 4 case distinctions, treesize of input 63 treesize of output 88 [2020-12-23 01:26:04,082 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:04,139 INFO L625 ElimStorePlain]: treesize reduction 63, result has 55.0 percent of original size [2020-12-23 01:26:04,144 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:04,145 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:73, output treesize:77 [2020-12-23 01:26:04,467 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 01:26:04,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564649594] [2020-12-23 01:26:04,470 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:04,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141936036] [2020-12-23 01:26:04,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:04,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 01:26:04,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211067568] [2020-12-23 01:26:04,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 01:26:04,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:04,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 01:26:04,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-12-23 01:26:04,473 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 11 states. [2020-12-23 01:26:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:05,551 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2020-12-23 01:26:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 01:26:05,552 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-12-23 01:26:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:05,553 INFO L225 Difference]: With dead ends: 42 [2020-12-23 01:26:05,553 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 01:26:05,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:26:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 01:26:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2020-12-23 01:26:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 01:26:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-12-23 01:26:05,569 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 20 [2020-12-23 01:26:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:05,570 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-12-23 01:26:05,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 01:26:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-23 01:26:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 01:26:05,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:05,571 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:05,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:05,786 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:05,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:05,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2020-12-23 01:26:05,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:05,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013661213] [2020-12-23 01:26:05,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:05,812 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:05,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326479196] [2020-12-23 01:26:05,813 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 01:26:05,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:26:05,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:05,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 01:26:05,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 01:26:05,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013661213] [2020-12-23 01:26:05,981 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:05,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326479196] [2020-12-23 01:26:05,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:05,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-12-23 01:26:05,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980152429] [2020-12-23 01:26:05,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 01:26:05,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:05,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 01:26:05,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-23 01:26:05,984 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 8 states. [2020-12-23 01:26:06,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:06,141 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-12-23 01:26:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 01:26:06,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-12-23 01:26:06,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:06,145 INFO L225 Difference]: With dead ends: 62 [2020-12-23 01:26:06,145 INFO L226 Difference]: Without dead ends: 33 [2020-12-23 01:26:06,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:26:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-23 01:26:06,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2020-12-23 01:26:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 01:26:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-12-23 01:26:06,165 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 24 [2020-12-23 01:26:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:06,168 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-12-23 01:26:06,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 01:26:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-23 01:26:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 01:26:06,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:06,170 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:06,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 01:26:06,381 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:06,382 INFO L82 PathProgramCache]: Analyzing trace with hash -55017726, now seen corresponding path program 3 times [2020-12-23 01:26:06,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:06,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160236759] [2020-12-23 01:26:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:06,436 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:06,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71174430] [2020-12-23 01:26:06,436 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 01:26:06,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-23 01:26:06,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:06,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 48 conjunts are in the unsatisfiable core [2020-12-23 01:26:06,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:06,586 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 01:26:06,588 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:06,614 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 29 treesize of output 17 [2020-12-23 01:26:06,619 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,635 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:06,636 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 01:26:06,636 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:33 [2020-12-23 01:26:06,667 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:06,671 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2020-12-23 01:26:06,675 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:06,699 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,700 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:59 [2020-12-23 01:26:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:06,832 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:06,832 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 148 [2020-12-23 01:26:06,837 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,921 INFO L625 ElimStorePlain]: treesize reduction 88, result has 44.3 percent of original size [2020-12-23 01:26:06,923 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:06,923 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:70 [2020-12-23 01:26:06,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:07,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:07,294 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-23 01:26:07,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:07,448 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,453 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,463 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,470 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,515 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:07,516 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 151 [2020-12-23 01:26:07,520 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:07,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,530 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,533 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:07,538 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 70 [2020-12-23 01:26:07,542 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:07,746 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2020-12-23 01:26:07,747 INFO L625 ElimStorePlain]: treesize reduction 108, result has 63.5 percent of original size [2020-12-23 01:26:07,751 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 2 xjuncts. [2020-12-23 01:26:07,751 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:192, output treesize:188 [2020-12-23 01:26:07,893 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 8, 1] term [2020-12-23 01:26:07,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:08,053 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 8, 1] term [2020-12-23 01:26:08,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:08,067 INFO L443 ElimStorePlain]: Different costs {50=[v_prenex_8], 70=[|v_#memory_int_21|]} [2020-12-23 01:26:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,140 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,147 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:08,468 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-12-23 01:26:08,468 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:08,469 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 85 treesize of output 432 [2020-12-23 01:26:08,480 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:26:08,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:26:08,482 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:26:08,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:08,484 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:26:08,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:08,486 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:26:08,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:08,488 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:26:08,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:26:08,490 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:26:08,490 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:08,491 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:26:08,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:08,492 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:26:08,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:08,493 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:26:08,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:26:08,494 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:26:08,495 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:26:08,516 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:08,961 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 80 [2020-12-23 01:26:08,962 INFO L625 ElimStorePlain]: treesize reduction 808, result has 20.8 percent of original size [2020-12-23 01:26:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:09,001 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:09,011 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:09,616 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-12-23 01:26:09,617 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:09,617 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 33 case distinctions, treesize of input 98 treesize of output 652 [2020-12-23 01:26:09,632 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:26:09,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:26:09,634 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:26:09,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:26:09,635 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:26:09,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:26:09,636 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:26:09,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:26:09,637 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:26:09,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:09,638 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:26:09,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:09,640 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:26:09,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:09,641 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:26:09,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:26:09,642 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:26:09,642 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:26:09,643 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:26:09,643 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:26:09,644 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:26:09,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:26:09,645 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:26:09,645 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:26:09,645 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:26:09,646 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:26:09,685 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:10,167 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 69 [2020-12-23 01:26:10,167 INFO L625 ElimStorePlain]: treesize reduction 1408, result has 12.7 percent of original size [2020-12-23 01:26:10,176 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-12-23 01:26:10,177 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:207, output treesize:205 [2020-12-23 01:26:10,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:10,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:10,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:10,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:10,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:11,459 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-23 01:26:11,474 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:26:13,769 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-12-23 01:26:14,882 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-23 01:26:16,434 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-23 01:26:19,148 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 126 [2020-12-23 01:26:19,184 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 5, 1] term [2020-12-23 01:26:19,184 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:26:19,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:19,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:19,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:19,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:19,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:19,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:26:19,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:26:19,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:19,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:19,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,333 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 3, 1] term [2020-12-23 01:26:19,333 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:26:19,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:26:19,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:19,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:19,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:19,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:19,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:19,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:19,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:19,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:19,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:26:19,566 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 01:26:19,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160236759] [2020-12-23 01:26:19,567 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:19,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71174430] [2020-12-23 01:26:19,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:19,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-12-23 01:26:19,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882020780] [2020-12-23 01:26:19,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 01:26:19,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:19,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 01:26:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=305, Unknown=1, NotChecked=0, Total=380 [2020-12-23 01:26:19,569 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 20 states. [2020-12-23 01:26:20,456 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 01:26:20,837 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-12-23 01:26:21,156 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:26:21,381 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-12-23 01:26:21,671 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-23 01:26:23,968 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-12-23 01:26:28,555 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2020-12-23 01:26:29,680 WARN L197 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 115 [2020-12-23 01:26:34,868 WARN L197 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2020-12-23 01:26:41,991 WARN L197 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2020-12-23 01:26:42,796 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 106 [2020-12-23 01:26:44,094 WARN L197 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 105 [2020-12-23 01:26:46,047 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2020-12-23 01:26:49,120 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 158 DAG size of output: 117 [2020-12-23 01:26:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:52,573 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2020-12-23 01:26:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 01:26:52,579 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 28 [2020-12-23 01:26:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:52,581 INFO L225 Difference]: With dead ends: 58 [2020-12-23 01:26:52,582 INFO L226 Difference]: Without dead ends: 56 [2020-12-23 01:26:52,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=269, Invalid=1209, Unknown=4, NotChecked=0, Total=1482 [2020-12-23 01:26:52,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-23 01:26:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-12-23 01:26:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 01:26:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-12-23 01:26:52,609 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 28 [2020-12-23 01:26:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:52,610 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-12-23 01:26:52,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 01:26:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-12-23 01:26:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 01:26:52,611 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:52,611 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:52,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:52,813 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:52,814 INFO L82 PathProgramCache]: Analyzing trace with hash 711279424, now seen corresponding path program 4 times [2020-12-23 01:26:52,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:52,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56667942] [2020-12-23 01:26:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:52,859 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:52,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127891670] [2020-12-23 01:26:52,859 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 01:26:52,923 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:26:52,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:52,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:26:52,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:53,057 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 01:26:53,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56667942] [2020-12-23 01:26:53,058 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:53,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127891670] [2020-12-23 01:26:53,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:53,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:26:53,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406773702] [2020-12-23 01:26:53,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:26:53,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:53,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:26:53,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:26:53,060 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 9 states. [2020-12-23 01:26:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:53,365 INFO L93 Difference]: Finished difference Result 87 states and 93 transitions. [2020-12-23 01:26:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:26:53,366 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-12-23 01:26:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:53,367 INFO L225 Difference]: With dead ends: 87 [2020-12-23 01:26:53,367 INFO L226 Difference]: Without dead ends: 72 [2020-12-23 01:26:53,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:26:53,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-23 01:26:53,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 42. [2020-12-23 01:26:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 01:26:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-12-23 01:26:53,381 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 30 [2020-12-23 01:26:53,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:53,381 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-12-23 01:26:53,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:26:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-12-23 01:26:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 01:26:53,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:53,382 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:53,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:53,596 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:53,597 INFO L82 PathProgramCache]: Analyzing trace with hash 481747840, now seen corresponding path program 5 times [2020-12-23 01:26:53,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:53,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383728185] [2020-12-23 01:26:53,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:53,620 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:53,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1494255346] [2020-12-23 01:26:53,620 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 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 01:26:53,695 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-23 01:26:53,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:53,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:26:53,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:53,829 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 01:26:53,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383728185] [2020-12-23 01:26:53,830 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:53,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494255346] [2020-12-23 01:26:53,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:53,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:26:53,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383071573] [2020-12-23 01:26:53,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:26:53,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:53,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:26:53,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:26:53,833 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 9 states. [2020-12-23 01:26:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:54,098 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2020-12-23 01:26:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 01:26:54,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-12-23 01:26:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:54,101 INFO L225 Difference]: With dead ends: 78 [2020-12-23 01:26:54,101 INFO L226 Difference]: Without dead ends: 65 [2020-12-23 01:26:54,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:26:54,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-23 01:26:54,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 44. [2020-12-23 01:26:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-23 01:26:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2020-12-23 01:26:54,119 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 30 [2020-12-23 01:26:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:54,119 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2020-12-23 01:26:54,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:26:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2020-12-23 01:26:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 01:26:54,122 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:54,122 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:54,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 01:26:54,330 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:54,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:54,331 INFO L82 PathProgramCache]: Analyzing trace with hash -412561416, now seen corresponding path program 6 times [2020-12-23 01:26:54,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:54,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664634647] [2020-12-23 01:26:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:54,346 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:54,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1946579625] [2020-12-23 01:26:54,346 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 01:26:54,423 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-12-23 01:26:54,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:54,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-23 01:26:54,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 01:26:54,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664634647] [2020-12-23 01:26:54,558 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:54,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946579625] [2020-12-23 01:26:54,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:54,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-23 01:26:54,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534294018] [2020-12-23 01:26:54,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 01:26:54,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:54,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 01:26:54,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:26:54,560 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 10 states. [2020-12-23 01:26:54,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:54,875 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-12-23 01:26:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 01:26:54,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2020-12-23 01:26:54,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:54,876 INFO L225 Difference]: With dead ends: 69 [2020-12-23 01:26:54,876 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 01:26:54,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:26:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 01:26:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2020-12-23 01:26:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 01:26:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-12-23 01:26:54,886 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 32 [2020-12-23 01:26:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:54,887 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-12-23 01:26:54,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 01:26:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-12-23 01:26:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 01:26:54,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:54,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:55,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:26:55,102 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:55,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1146912830, now seen corresponding path program 7 times [2020-12-23 01:26:55,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:55,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690727581] [2020-12-23 01:26:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:55,119 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:26:55,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087715171] [2020-12-23 01:26:55,120 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 01:26:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:55,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 54 conjunts are in the unsatisfiable core [2020-12-23 01:26:55,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:55,273 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 01:26:55,275 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:55,309 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 29 treesize of output 17 [2020-12-23 01:26:55,311 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,334 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:55,335 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 01:26:55,335 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:33 [2020-12-23 01:26:55,382 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:55,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,386 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2020-12-23 01:26:55,388 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:55,418 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,418 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:59 [2020-12-23 01:26:55,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,537 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:55,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,542 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2020-12-23 01:26:55,545 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:55,585 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,586 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:78 [2020-12-23 01:26:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:55,764 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:55,764 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 91 [2020-12-23 01:26:55,769 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:55,867 INFO L625 ElimStorePlain]: treesize reduction 25, result has 78.1 percent of original size [2020-12-23 01:26:55,877 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 01:26:55,878 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:89 [2020-12-23 01:26:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,118 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,120 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,132 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:56,132 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 118 [2020-12-23 01:26:56,136 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:56,253 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-23 01:26:56,255 INFO L625 ElimStorePlain]: treesize reduction 34, result has 80.0 percent of original size [2020-12-23 01:26:56,257 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 01:26:56,258 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:128, output treesize:136 [2020-12-23 01:26:56,533 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:56,581 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,582 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,583 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:56,783 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-23 01:26:56,784 INFO L348 Elim1Store]: treesize reduction 24, result has 84.4 percent of original size [2020-12-23 01:26:56,784 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 125 treesize of output 240 [2020-12-23 01:26:56,794 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:56,966 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-12-23 01:26:56,968 INFO L625 ElimStorePlain]: treesize reduction 197, result has 40.7 percent of original size [2020-12-23 01:26:56,970 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 01:26:56,971 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:135 [2020-12-23 01:26:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,288 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:57,312 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:26:57,426 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-23 01:26:57,427 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:57,427 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 129 treesize of output 247 [2020-12-23 01:26:57,435 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:26:57,436 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:57,436 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2020-12-23 01:26:57,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:57,437 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2020-12-23 01:26:57,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:57,444 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:57,670 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 57 [2020-12-23 01:26:57,671 INFO L625 ElimStorePlain]: treesize reduction 264, result has 42.5 percent of original size [2020-12-23 01:26:57,675 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 01:26:57,676 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:138, output treesize:195 [2020-12-23 01:26:58,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:58,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:58,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:58,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:58,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690727581] [2020-12-23 01:26:58,491 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:26:58,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087715171] [2020-12-23 01:26:58,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:26:58,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-12-23 01:26:58,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336611560] [2020-12-23 01:26:58,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 01:26:58,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:58,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 01:26:58,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-12-23 01:26:58,493 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 20 states. [2020-12-23 01:26:59,397 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-23 01:26:59,643 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-12-23 01:26:59,820 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-12-23 01:27:00,006 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 01:27:00,219 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 01:27:00,412 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-12-23 01:27:00,675 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2020-12-23 01:27:00,961 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2020-12-23 01:27:01,290 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-12-23 01:27:01,575 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-12-23 01:27:01,896 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2020-12-23 01:27:02,267 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2020-12-23 01:27:02,627 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-12-23 01:27:03,020 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-12-23 01:27:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:03,057 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-12-23 01:27:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 01:27:03,059 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 32 [2020-12-23 01:27:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:03,061 INFO L225 Difference]: With dead ends: 47 [2020-12-23 01:27:03,061 INFO L226 Difference]: Without dead ends: 45 [2020-12-23 01:27:03,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=280, Invalid=1280, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 01:27:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-23 01:27:03,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-12-23 01:27:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-23 01:27:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2020-12-23 01:27:03,080 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 32 [2020-12-23 01:27:03,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:03,080 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2020-12-23 01:27:03,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 01:27:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2020-12-23 01:27:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-23 01:27:03,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:03,082 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:03,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 01:27:03,297 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:03,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:03,298 INFO L82 PathProgramCache]: Analyzing trace with hash -686245078, now seen corresponding path program 8 times [2020-12-23 01:27:03,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:03,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533593855] [2020-12-23 01:27:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:03,314 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:27:03,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406196114] [2020-12-23 01:27:03,315 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 01:27:03,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:27:03,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:03,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-23 01:27:03,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 01:27:03,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533593855] [2020-12-23 01:27:03,616 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:27:03,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406196114] [2020-12-23 01:27:03,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:27:03,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-12-23 01:27:03,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186634977] [2020-12-23 01:27:03,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 01:27:03,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:03,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 01:27:03,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-23 01:27:03,619 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 12 states. [2020-12-23 01:27:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:04,041 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions. [2020-12-23 01:27:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 01:27:04,043 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-12-23 01:27:04,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:04,044 INFO L225 Difference]: With dead ends: 99 [2020-12-23 01:27:04,044 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 01:27:04,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:27:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 01:27:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2020-12-23 01:27:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 01:27:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2020-12-23 01:27:04,058 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 40 [2020-12-23 01:27:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:04,058 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2020-12-23 01:27:04,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 01:27:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2020-12-23 01:27:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 01:27:04,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:04,059 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:04,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:04,273 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:04,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:04,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1910132122, now seen corresponding path program 9 times [2020-12-23 01:27:04,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:04,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230409984] [2020-12-23 01:27:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:04,302 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:27:04,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159399440] [2020-12-23 01:27:04,302 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 01:27:04,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 01:27:04,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:04,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-23 01:27:04,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:04,518 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 01:27:04,521 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,547 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:04,557 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 29 treesize of output 17 [2020-12-23 01:27:04,559 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,585 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:04,586 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 01:27:04,586 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:33 [2020-12-23 01:27:04,636 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:04,639 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2020-12-23 01:27:04,641 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,710 INFO L625 ElimStorePlain]: treesize reduction 4, result has 92.3 percent of original size [2020-12-23 01:27:04,711 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,712 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:48 [2020-12-23 01:27:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:04,851 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:04,852 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 54 [2020-12-23 01:27:04,855 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,927 INFO L625 ElimStorePlain]: treesize reduction 8, result has 87.3 percent of original size [2020-12-23 01:27:04,928 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:04,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:27:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,341 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2020-12-23 01:27:05,342 INFO L348 Elim1Store]: treesize reduction 101, result has 63.7 percent of original size [2020-12-23 01:27:05,342 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 206 [2020-12-23 01:27:05,348 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:05,500 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2020-12-23 01:27:05,501 INFO L625 ElimStorePlain]: treesize reduction 126, result has 38.5 percent of original size [2020-12-23 01:27:05,502 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:05,503 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:79 [2020-12-23 01:27:05,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,821 INFO L244 Elim1Store]: Index analysis took 106 ms [2020-12-23 01:27:05,973 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 01:27:05,974 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:05,974 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 265 [2020-12-23 01:27:05,982 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:06,013 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:06,015 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 70 [2020-12-23 01:27:06,019 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:06,401 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 57 [2020-12-23 01:27:06,402 INFO L625 ElimStorePlain]: treesize reduction 170, result has 52.9 percent of original size [2020-12-23 01:27:06,404 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 01:27:06,404 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:205, output treesize:191 [2020-12-23 01:27:06,602 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-23 01:27:06,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:06,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:07,120 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-12-23 01:27:07,128 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:07,403 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-23 01:27:07,659 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 01:27:07,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,696 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,700 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,729 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,746 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,765 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2020-12-23 01:27:07,770 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,807 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,814 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:07,832 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:08,154 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-12-23 01:27:08,155 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:08,156 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 460 [2020-12-23 01:27:08,167 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:27:08,167 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:08,168 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:27:08,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:08,170 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:27:08,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:27:08,171 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:27:08,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:08,172 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:27:08,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:27:08,173 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:27:08,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:08,174 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:27:08,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:08,175 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:27:08,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:08,176 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:27:08,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:08,176 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:27:08,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:08,177 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2020-12-23 01:27:08,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:08,178 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:08,178 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:08,202 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:08,783 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-12-23 01:27:08,784 INFO L625 ElimStorePlain]: treesize reduction 1456, result has 15.4 percent of original size [2020-12-23 01:27:08,787 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 2 xjuncts. [2020-12-23 01:27:08,787 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:246, output treesize:266 [2020-12-23 01:27:09,092 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-23 01:27:09,395 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-23 01:27:09,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:09,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:09,418 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:09,424 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,459 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,467 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:09,470 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:09,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:10,286 WARN L197 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-12-23 01:27:10,287 INFO L348 Elim1Store]: treesize reduction 8, result has 98.2 percent of original size [2020-12-23 01:27:10,288 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 169 treesize of output 529 [2020-12-23 01:27:10,298 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:27:10,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:10,299 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:27:10,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:10,301 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:27:10,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:10,302 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:27:10,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:27:10,303 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:27:10,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:10,304 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:27:10,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:27:10,305 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:27:10,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:10,305 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:27:10,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:10,306 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:27:10,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:10,307 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:27:10,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:10,307 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:10,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:10,308 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:10,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:27:10,308 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:10,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:10,338 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:11,111 WARN L197 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-12-23 01:27:11,111 INFO L625 ElimStorePlain]: treesize reduction 1760, result has 9.6 percent of original size [2020-12-23 01:27:11,114 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 01:27:11,114 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:347, output treesize:187 [2020-12-23 01:27:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,555 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:11,558 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,562 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,589 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:12,694 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2020-12-23 01:27:12,695 INFO L348 Elim1Store]: treesize reduction 24, result has 95.7 percent of original size [2020-12-23 01:27:12,696 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 12 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 58 case distinctions, treesize of input 162 treesize of output 654 [2020-12-23 01:27:12,713 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 01:27:12,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 01:27:12,716 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2020-12-23 01:27:12,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:27:12,718 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:27:12,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:27:12,719 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:27:12,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:27:12,721 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:27:12,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:27:12,722 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:27:12,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:27:12,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:27:12,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:27:12,724 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:27:12,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:12,726 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:27:12,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:12,727 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:27:12,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:12,729 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:27:12,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:27:12,730 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 1] term [2020-12-23 01:27:12,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:12,731 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:27:12,732 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 01:27:12,732 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:27:12,732 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:27:12,733 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:27:12,733 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:27:12,734 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:27:12,734 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:27:12,734 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:27:12,735 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:27:12,735 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:12,736 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:27:12,736 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:12,737 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:27:12,738 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:12,738 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:12,836 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:13,994 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 292 DAG size of output: 68 [2020-12-23 01:27:13,995 INFO L625 ElimStorePlain]: treesize reduction 3002, result has 6.3 percent of original size [2020-12-23 01:27:13,998 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 01:27:13,999 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:185, output treesize:203 [2020-12-23 01:27:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,530 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,534 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,564 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:14,573 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:15,835 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 159 DAG size of output: 157 [2020-12-23 01:27:15,836 INFO L348 Elim1Store]: treesize reduction 8, result has 98.6 percent of original size [2020-12-23 01:27:15,837 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 16 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 69 case distinctions, treesize of input 201 treesize of output 700 [2020-12-23 01:27:15,854 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[24, 3, 2, 1] term [2020-12-23 01:27:15,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 24 disjuncts [2020-12-23 01:27:15,856 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[23, 3, 2, 1] term [2020-12-23 01:27:15,856 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 23 disjuncts [2020-12-23 01:27:15,857 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2020-12-23 01:27:15,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2020-12-23 01:27:15,859 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 01:27:15,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 01:27:15,860 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2020-12-23 01:27:15,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:27:15,861 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:27:15,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:27:15,863 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:27:15,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:27:15,864 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:27:15,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:27:15,866 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:27:15,866 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:27:15,868 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 1] term [2020-12-23 01:27:15,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:27:15,869 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 1] term [2020-12-23 01:27:15,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:15,871 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 1] term [2020-12-23 01:27:15,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:15,872 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 1] term [2020-12-23 01:27:15,873 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 01:27:15,874 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 1] term [2020-12-23 01:27:15,874 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 01:27:15,874 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 1] term [2020-12-23 01:27:15,875 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 01:27:15,876 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:27:15,876 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 01:27:15,877 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:27:15,877 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:27:15,877 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:27:15,878 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:27:15,878 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:27:15,878 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:27:15,879 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:27:15,879 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:27:15,880 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:15,880 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:27:15,881 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:15,881 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:27:15,882 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:15,882 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:16,042 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 297 [2020-12-23 01:27:16,049 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:17,161 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 301 DAG size of output: 72 [2020-12-23 01:27:17,162 INFO L625 ElimStorePlain]: treesize reduction 2556, result has 7.4 percent of original size [2020-12-23 01:27:17,169 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 01:27:17,169 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:221, output treesize:204 [2020-12-23 01:27:18,980 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-12-23 01:27:19,713 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-12-23 01:27:20,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:20,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:20,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:20,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:20,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:20,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:27:20,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:27:20,422 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 01:27:20,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230409984] [2020-12-23 01:27:20,423 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:27:20,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159399440] [2020-12-23 01:27:20,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:27:20,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-12-23 01:27:20,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588648807] [2020-12-23 01:27:20,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-12-23 01:27:20,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:20,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-12-23 01:27:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:27:20,426 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 31 states. [2020-12-23 01:27:21,561 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-12-23 01:27:22,050 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2020-12-23 01:27:22,508 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2020-12-23 01:27:23,111 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-23 01:27:23,628 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-12-23 01:27:24,308 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-12-23 01:27:24,976 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-12-23 01:27:25,647 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-23 01:27:26,361 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-12-23 01:27:27,017 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-12-23 01:27:27,465 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-12-23 01:27:27,835 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-12-23 01:27:28,244 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-12-23 01:27:28,654 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-12-23 01:27:29,527 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2020-12-23 01:27:30,095 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2020-12-23 01:27:30,667 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 96 [2020-12-23 01:27:31,504 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 96 [2020-12-23 01:27:32,204 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2020-12-23 01:27:33,020 WARN L197 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 101 [2020-12-23 01:27:33,725 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2020-12-23 01:27:34,396 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2020-12-23 01:27:35,290 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 99 [2020-12-23 01:27:36,786 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 167 DAG size of output: 108 [2020-12-23 01:27:37,928 WARN L197 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 105 [2020-12-23 01:27:39,086 WARN L197 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 101 [2020-12-23 01:27:39,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:39,152 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2020-12-23 01:27:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 01:27:39,156 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 44 [2020-12-23 01:27:39,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:39,157 INFO L225 Difference]: With dead ends: 81 [2020-12-23 01:27:39,157 INFO L226 Difference]: Without dead ends: 57 [2020-12-23 01:27:39,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=561, Invalid=3099, Unknown=0, NotChecked=0, Total=3660 [2020-12-23 01:27:39,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-23 01:27:39,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-12-23 01:27:39,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-12-23 01:27:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2020-12-23 01:27:39,175 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 44 [2020-12-23 01:27:39,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:39,176 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2020-12-23 01:27:39,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-12-23 01:27:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-12-23 01:27:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 01:27:39,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:39,177 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:39,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 01:27:39,393 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:39,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2060720804, now seen corresponding path program 10 times [2020-12-23 01:27:39,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:39,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567230789] [2020-12-23 01:27:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:39,411 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:27:39,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657265140] [2020-12-23 01:27:39,412 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 01:27:39,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:27:39,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:39,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:27:39,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:39,755 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 01:27:39,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567230789] [2020-12-23 01:27:39,756 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:27:39,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657265140] [2020-12-23 01:27:39,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:27:39,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:27:39,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545494070] [2020-12-23 01:27:39,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:27:39,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:27:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:27:39,762 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 13 states. [2020-12-23 01:27:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:40,343 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2020-12-23 01:27:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 01:27:40,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2020-12-23 01:27:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:40,345 INFO L225 Difference]: With dead ends: 113 [2020-12-23 01:27:40,345 INFO L226 Difference]: Without dead ends: 80 [2020-12-23 01:27:40,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-12-23 01:27:40,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-23 01:27:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 47. [2020-12-23 01:27:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 01:27:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2020-12-23 01:27:40,360 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 46 [2020-12-23 01:27:40,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:40,361 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2020-12-23 01:27:40,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:27:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2020-12-23 01:27:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 01:27:40,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:40,362 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:40,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 01:27:40,563 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:40,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:40,564 INFO L82 PathProgramCache]: Analyzing trace with hash 7822052, now seen corresponding path program 11 times [2020-12-23 01:27:40,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:40,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607871839] [2020-12-23 01:27:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:40,591 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:27:40,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757199435] [2020-12-23 01:27:40,592 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 01:27:40,760 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-12-23 01:27:40,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:40,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:27:40,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:41,034 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 01:27:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607871839] [2020-12-23 01:27:41,034 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:27:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757199435] [2020-12-23 01:27:41,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:27:41,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:27:41,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427449501] [2020-12-23 01:27:41,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:27:41,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:41,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:27:41,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:27:41,036 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 13 states. [2020-12-23 01:27:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:41,550 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2020-12-23 01:27:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 01:27:41,551 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2020-12-23 01:27:41,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:41,552 INFO L225 Difference]: With dead ends: 79 [2020-12-23 01:27:41,552 INFO L226 Difference]: Without dead ends: 58 [2020-12-23 01:27:41,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:27:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-12-23 01:27:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 49. [2020-12-23 01:27:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 01:27:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2020-12-23 01:27:41,563 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 46 [2020-12-23 01:27:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:41,563 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2020-12-23 01:27:41,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:27:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-12-23 01:27:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 01:27:41,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:41,564 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:41,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 01:27:41,769 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:41,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1621255262, now seen corresponding path program 12 times [2020-12-23 01:27:41,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:41,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255224429] [2020-12-23 01:27:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:41,786 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:27:41,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886477019] [2020-12-23 01:27:41,787 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 01:27:42,217 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-12-23 01:27:42,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:42,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-23 01:27:42,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:42,294 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 01:27:42,297 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,336 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:42,347 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 29 treesize of output 17 [2020-12-23 01:27:42,350 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,391 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:42,392 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 01:27:42,392 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:33 [2020-12-23 01:27:42,470 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,475 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2020-12-23 01:27:42,479 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:42,532 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,533 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:59 [2020-12-23 01:27:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,724 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 71 treesize of output 58 [2020-12-23 01:27:42,727 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:42,781 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:42,782 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:81 [2020-12-23 01:27:42,972 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:42,992 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 67 [2020-12-23 01:27:42,996 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:43,071 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:43,074 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:43,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:95 [2020-12-23 01:27:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,385 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 89 treesize of output 76 [2020-12-23 01:27:43,389 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:43,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:43,468 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:43,468 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2020-12-23 01:27:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,970 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 01:27:43,971 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:43,972 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 111 treesize of output 331 [2020-12-23 01:27:43,979 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,285 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2020-12-23 01:27:44,288 INFO L625 ElimStorePlain]: treesize reduction 232, result has 29.5 percent of original size [2020-12-23 01:27:44,290 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,291 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:97 [2020-12-23 01:27:44,506 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 01:27:44,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:44,941 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-23 01:27:44,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:45,392 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 01:27:45,714 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-23 01:27:45,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,781 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,789 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,913 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:45,937 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:45,979 INFO L244 Elim1Store]: Index analysis took 240 ms [2020-12-23 01:27:46,109 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 01:27:46,110 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:46,110 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 111 treesize of output 274 [2020-12-23 01:27:46,118 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,157 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,165 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,172 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 17 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 106 [2020-12-23 01:27:46,175 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:46,766 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2020-12-23 01:27:46,768 INFO L625 ElimStorePlain]: treesize reduction 211, result has 54.7 percent of original size [2020-12-23 01:27:46,771 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 2 xjuncts. [2020-12-23 01:27:46,771 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:252, output treesize:255 [2020-12-23 01:27:47,175 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-23 01:27:47,617 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:27:47,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,685 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,791 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,862 INFO L244 Elim1Store]: Index analysis took 219 ms [2020-12-23 01:27:47,866 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,876 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,886 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,947 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:47,948 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 17 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 165 [2020-12-23 01:27:47,952 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,038 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,061 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,076 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:48,078 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:48,588 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 01:27:48,589 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:48,590 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 144 treesize of output 520 [2020-12-23 01:27:48,598 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:27:48,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:27:48,599 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:27:48,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:27:48,600 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:27:48,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:48,601 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:27:48,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:48,602 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:27:48,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:48,602 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:27:48,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:27:48,603 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:27:48,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:48,604 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:27:48,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:27:48,605 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:27:48,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:48,606 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:27:48,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:48,607 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:27:48,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:48,607 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:27:48,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:48,608 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:48,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:27:48,608 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:48,609 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:27:48,609 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:48,609 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:48,635 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:50,185 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 241 DAG size of output: 84 [2020-12-23 01:27:50,187 INFO L625 ElimStorePlain]: treesize reduction 1734, result has 15.9 percent of original size [2020-12-23 01:27:50,190 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 2 xjuncts. [2020-12-23 01:27:50,190 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:330, output treesize:327 [2020-12-23 01:27:50,689 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 01:27:51,606 WARN L197 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-12-23 01:27:51,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:51,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:51,791 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,031 INFO L244 Elim1Store]: Index analysis took 387 ms [2020-12-23 01:27:52,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,038 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,040 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,047 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,054 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,761 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-12-23 01:27:52,763 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:52,763 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 14 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 161 treesize of output 597 [2020-12-23 01:27:52,778 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:27:52,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:27:52,781 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:27:52,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:27:52,784 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:27:52,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:27:52,786 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:27:52,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:27:52,787 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:27:52,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:27:52,788 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:27:52,789 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:27:52,789 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:27:52,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:52,791 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:27:52,791 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:27:52,793 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:27:52,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:27:52,794 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:27:52,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:27:52,796 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:27:52,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:52,797 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:27:52,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:52,797 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:27:52,798 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:27:52,798 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:27:52,798 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:27:52,799 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:52,799 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:27:52,799 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:52,800 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:27:52,800 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:52,800 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:52,853 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,899 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,991 INFO L244 Elim1Store]: Index analysis took 106 ms [2020-12-23 01:27:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:53,000 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:53,002 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:53,009 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:53,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:53,015 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:53,094 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:53,095 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 17 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 197 treesize of output 196 [2020-12-23 01:27:53,103 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:55,343 WARN L197 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 312 DAG size of output: 91 [2020-12-23 01:27:55,344 INFO L625 ElimStorePlain]: treesize reduction 2969, result has 10.5 percent of original size [2020-12-23 01:27:55,349 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 2 xjuncts. [2020-12-23 01:27:55,349 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:394, output treesize:348 [2020-12-23 01:27:55,967 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-23 01:27:57,053 WARN L197 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-12-23 01:27:57,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:57,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:57,087 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,124 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,156 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,172 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,177 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,213 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,218 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:57,955 WARN L197 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-12-23 01:27:57,957 INFO L348 Elim1Store]: treesize reduction 8, result has 97.1 percent of original size [2020-12-23 01:27:57,958 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 18 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 69 case distinctions, treesize of input 197 treesize of output 430 [2020-12-23 01:27:57,966 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:27:57,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:57,967 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:27:57,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:57,967 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:27:57,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:57,968 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:27:57,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:57,969 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:57,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:57,970 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:57,970 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:57,984 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:58,471 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 78 [2020-12-23 01:27:58,472 INFO L625 ElimStorePlain]: treesize reduction 487, result has 33.7 percent of original size [2020-12-23 01:27:58,475 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 01:27:58,475 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:423, output treesize:248 [2020-12-23 01:27:58,801 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 01:27:59,123 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:27:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,205 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,217 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,222 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,229 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,243 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,256 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:59,861 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-12-23 01:27:59,863 INFO L348 Elim1Store]: treesize reduction 24, result has 90.2 percent of original size [2020-12-23 01:27:59,863 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 25 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 93 case distinctions, treesize of input 191 treesize of output 388 [2020-12-23 01:27:59,876 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:27:59,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:27:59,877 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:27:59,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:59,879 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:27:59,879 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:59,879 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:27:59,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:59,880 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:27:59,880 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:59,894 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:00,382 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 78 [2020-12-23 01:28:00,384 INFO L625 ElimStorePlain]: treesize reduction 504, result has 27.6 percent of original size [2020-12-23 01:28:00,389 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 01:28:00,390 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:214, output treesize:192 [2020-12-23 01:28:03,366 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-12-23 01:28:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:28:03,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255224429] [2020-12-23 01:28:03,935 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:28:03,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886477019] [2020-12-23 01:28:03,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:28:03,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-12-23 01:28:03,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299761544] [2020-12-23 01:28:03,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-23 01:28:03,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:28:03,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-23 01:28:03,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:28:03,937 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 34 states. [2020-12-23 01:28:04,663 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-23 01:28:04,911 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-12-23 01:28:05,170 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-23 01:28:05,429 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-12-23 01:28:05,748 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-23 01:28:06,015 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 01:28:06,361 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-12-23 01:28:06,962 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2020-12-23 01:28:07,444 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 01:28:08,019 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-12-23 01:28:09,152 WARN L197 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-12-23 01:28:09,891 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-12-23 01:28:10,544 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-12-23 01:28:11,412 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2020-12-23 01:28:12,192 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 74 [2020-12-23 01:28:13,081 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2020-12-23 01:28:14,132 WARN L197 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2020-12-23 01:28:15,405 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2020-12-23 01:28:16,076 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-12-23 01:28:16,730 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-12-23 01:28:17,437 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2020-12-23 01:28:18,336 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2020-12-23 01:28:19,178 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2020-12-23 01:28:20,220 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 106 [2020-12-23 01:28:21,018 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2020-12-23 01:28:21,997 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 112 [2020-12-23 01:28:23,205 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 112 [2020-12-23 01:28:24,369 WARN L197 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 112 [2020-12-23 01:28:25,178 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 114 [2020-12-23 01:28:26,002 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 104 [2020-12-23 01:28:27,218 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2020-12-23 01:28:27,934 WARN L197 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 104 [2020-12-23 01:28:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:28:27,948 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2020-12-23 01:28:27,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-23 01:28:27,952 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 48 [2020-12-23 01:28:27,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:28:27,953 INFO L225 Difference]: With dead ends: 97 [2020-12-23 01:28:27,953 INFO L226 Difference]: Without dead ends: 95 [2020-12-23 01:28:27,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=616, Invalid=3940, Unknown=0, NotChecked=0, Total=4556 [2020-12-23 01:28:27,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-23 01:28:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 72. [2020-12-23 01:28:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 01:28:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-12-23 01:28:27,980 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 48 [2020-12-23 01:28:27,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:28:27,980 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-12-23 01:28:27,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-23 01:28:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-12-23 01:28:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 01:28:27,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:28:27,981 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:28:28,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:28:28,183 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:28:28,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:28:28,184 INFO L82 PathProgramCache]: Analyzing trace with hash 498509024, now seen corresponding path program 13 times [2020-12-23 01:28:28,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:28:28,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020800728] [2020-12-23 01:28:28,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:28:28,201 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:28:28,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119454745] [2020-12-23 01:28:28,201 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 01:28:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:28:28,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:28:28,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:28:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:28:28,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020800728] [2020-12-23 01:28:28,794 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:28:28,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119454745] [2020-12-23 01:28:28,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:28:28,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:28:28,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555163744] [2020-12-23 01:28:28,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:28:28,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:28:28,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:28:28,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:28:28,800 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 15 states. [2020-12-23 01:28:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:28:29,653 INFO L93 Difference]: Finished difference Result 151 states and 157 transitions. [2020-12-23 01:28:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 01:28:29,656 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2020-12-23 01:28:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:28:29,657 INFO L225 Difference]: With dead ends: 151 [2020-12-23 01:28:29,657 INFO L226 Difference]: Without dead ends: 128 [2020-12-23 01:28:29,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2020-12-23 01:28:29,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-12-23 01:28:29,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 72. [2020-12-23 01:28:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 01:28:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2020-12-23 01:28:29,688 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 50 [2020-12-23 01:28:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:28:29,688 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2020-12-23 01:28:29,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:28:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2020-12-23 01:28:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 01:28:29,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:28:29,689 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:28:29,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:28:29,890 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:28:29,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:28:29,891 INFO L82 PathProgramCache]: Analyzing trace with hash -947202784, now seen corresponding path program 14 times [2020-12-23 01:28:29,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:28:29,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540875078] [2020-12-23 01:28:29,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:28:29,907 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:28:29,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823167539] [2020-12-23 01:28:29,908 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 01:28:29,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:28:29,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:28:29,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:28:29,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:28:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:28:30,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540875078] [2020-12-23 01:28:30,509 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:28:30,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823167539] [2020-12-23 01:28:30,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:28:30,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:28:30,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133569009] [2020-12-23 01:28:30,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:28:30,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:28:30,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:28:30,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:28:30,511 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand 15 states. [2020-12-23 01:28:31,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:28:31,462 INFO L93 Difference]: Finished difference Result 130 states and 134 transitions. [2020-12-23 01:28:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 01:28:31,465 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2020-12-23 01:28:31,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:28:31,466 INFO L225 Difference]: With dead ends: 130 [2020-12-23 01:28:31,466 INFO L226 Difference]: Without dead ends: 109 [2020-12-23 01:28:31,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:28:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-23 01:28:31,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2020-12-23 01:28:31,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 01:28:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2020-12-23 01:28:31,504 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 50 [2020-12-23 01:28:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:28:31,504 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2020-12-23 01:28:31,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:28:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-12-23 01:28:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 01:28:31,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:28:31,505 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:28:31,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-12-23 01:28:31,706 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:28:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:28:31,707 INFO L82 PathProgramCache]: Analyzing trace with hash -277121314, now seen corresponding path program 15 times [2020-12-23 01:28:31,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:28:31,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110989979] [2020-12-23 01:28:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:28:31,727 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:28:31,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532195396] [2020-12-23 01:28:31,728 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 01:28:32,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-23 01:28:32,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:28:32,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 92 conjunts are in the unsatisfiable core [2020-12-23 01:28:32,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:28:32,482 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 01:28:32,487 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:32,531 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:32,545 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 29 treesize of output 17 [2020-12-23 01:28:32,548 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:32,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:32,596 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 01:28:32,596 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:33 [2020-12-23 01:28:32,683 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:32,688 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2020-12-23 01:28:32,691 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:32,746 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:32,748 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:32,749 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:59 [2020-12-23 01:28:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:32,951 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2020-12-23 01:28:32,954 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:33,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:33,023 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:33,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:78 [2020-12-23 01:28:33,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,308 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 72 treesize of output 62 [2020-12-23 01:28:33,312 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:33,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:33,386 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:33,386 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2020-12-23 01:28:33,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:33,965 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2020-12-23 01:28:33,966 INFO L348 Elim1Store]: treesize reduction 99, result has 63.1 percent of original size [2020-12-23 01:28:33,966 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 94 treesize of output 212 [2020-12-23 01:28:33,970 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:34,249 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2020-12-23 01:28:34,251 INFO L625 ElimStorePlain]: treesize reduction 124, result has 40.7 percent of original size [2020-12-23 01:28:34,253 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:34,253 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:85 [2020-12-23 01:28:34,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:28:34,757 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-23 01:28:34,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:34,998 INFO L244 Elim1Store]: Index analysis took 210 ms [2020-12-23 01:28:35,174 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-23 01:28:35,175 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:35,175 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 213 [2020-12-23 01:28:35,179 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 01:28:35,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:28:35,180 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 01:28:35,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:28:35,181 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 01:28:35,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:35,186 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:35,312 INFO L244 Elim1Store]: Index analysis took 112 ms [2020-12-23 01:28:36,004 WARN L197 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-12-23 01:28:36,006 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:36,007 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 92 treesize of output 518 [2020-12-23 01:28:36,014 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 2, 1] term [2020-12-23 01:28:36,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:28:36,015 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 1] term [2020-12-23 01:28:36,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:28:36,016 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 1] term [2020-12-23 01:28:36,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:28:36,016 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 1] term [2020-12-23 01:28:36,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:28:36,017 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2020-12-23 01:28:36,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:28:36,017 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2020-12-23 01:28:36,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:36,017 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-12-23 01:28:36,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:36,018 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-12-23 01:28:36,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:28:36,018 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 01:28:36,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:28:36,019 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 01:28:36,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:28:36,019 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 01:28:36,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:36,036 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:38,653 WARN L197 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 194 DAG size of output: 75 [2020-12-23 01:28:38,654 INFO L625 ElimStorePlain]: treesize reduction 1102, result has 17.5 percent of original size [2020-12-23 01:28:38,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:38,658 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 2 xjuncts. [2020-12-23 01:28:38,658 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:205, output treesize:234 [2020-12-23 01:28:38,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:39,296 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-23 01:28:39,633 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-23 01:28:39,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:39,642 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:39,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:39,644 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:39,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,023 INFO L244 Elim1Store]: Index analysis took 347 ms [2020-12-23 01:28:40,310 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-23 01:28:40,311 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:40,312 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 101 treesize of output 305 [2020-12-23 01:28:40,317 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-12-23 01:28:40,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:40,318 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-12-23 01:28:40,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:28:40,319 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-12-23 01:28:40,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:28:40,320 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-12-23 01:28:40,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:28:40,320 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-23 01:28:40,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:40,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,363 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,381 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,460 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:40,465 INFO L244 Elim1Store]: Index analysis took 120 ms [2020-12-23 01:28:40,467 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 73 [2020-12-23 01:28:40,472 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,627 INFO L244 Elim1Store]: Index analysis took 138 ms [2020-12-23 01:28:40,630 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 91 [2020-12-23 01:28:40,634 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:40,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:28:40,649 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:40,971 INFO L244 Elim1Store]: Index analysis took 298 ms [2020-12-23 01:28:41,288 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 01:28:41,289 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:41,290 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 7 new quantified variables, introduced 12 case distinctions, treesize of input 93 treesize of output 339 [2020-12-23 01:28:41,299 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:41,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,333 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:41,360 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:41,363 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 92 treesize of output 84 [2020-12-23 01:28:41,369 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:42,588 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 136 DAG size of output: 77 [2020-12-23 01:28:42,590 INFO L625 ElimStorePlain]: treesize reduction 685, result has 34.1 percent of original size [2020-12-23 01:28:42,592 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:28:42,593 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:667, output treesize:354 [2020-12-23 01:28:43,141 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:28:43,153 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:28:43,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:28:43,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:43,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:43,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:43,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:28:44,823 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2020-12-23 01:28:44,833 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-23 01:28:46,181 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-12-23 01:28:47,035 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-12-23 01:28:47,047 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-23 01:28:47,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:28:47,078 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,177 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,192 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,374 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,398 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,455 INFO L244 Elim1Store]: Index analysis took 355 ms [2020-12-23 01:28:47,642 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 01:28:47,643 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:47,644 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 124 treesize of output 296 [2020-12-23 01:28:47,653 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,764 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,786 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:47,987 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,069 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,096 INFO L244 Elim1Store]: Index analysis took 421 ms [2020-12-23 01:28:48,190 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:48,190 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 24 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 233 [2020-12-23 01:28:48,196 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,251 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,256 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,352 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,365 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,380 INFO L244 Elim1Store]: Index analysis took 164 ms [2020-12-23 01:28:48,383 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 96 [2020-12-23 01:28:48,386 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:48,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,453 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,463 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:48,471 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 98 [2020-12-23 01:28:48,475 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:49,511 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 169 DAG size of output: 87 [2020-12-23 01:28:49,513 INFO L625 ElimStorePlain]: treesize reduction 613, result has 38.6 percent of original size [2020-12-23 01:28:49,516 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 01:28:49,517 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:687, output treesize:386 [2020-12-23 01:28:50,227 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 01:28:50,894 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 01:28:50,902 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:28:50,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,970 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,074 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,104 INFO L244 Elim1Store]: Index analysis took 177 ms [2020-12-23 01:28:51,106 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,121 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,123 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,188 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:51,189 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 157 treesize of output 157 [2020-12-23 01:28:51,193 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,303 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,483 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,558 INFO L244 Elim1Store]: Index analysis took 347 ms [2020-12-23 01:28:51,560 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:51,577 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:51,578 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:52,284 WARN L197 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-12-23 01:28:52,285 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:52,286 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 34 case distinctions, treesize of input 158 treesize of output 618 [2020-12-23 01:28:52,294 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:28:52,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:28:52,295 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:28:52,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:28:52,296 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:28:52,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:28:52,296 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:28:52,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:28:52,298 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:28:52,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:28:52,299 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:28:52,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:28:52,300 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:28:52,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:28:52,301 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:28:52,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:28:52,302 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:28:52,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:28:52,303 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:28:52,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:28:52,304 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:28:52,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:28:52,305 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:28:52,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:28:52,305 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:28:52,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:28:52,306 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:28:52,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:28:52,307 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:28:52,307 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:28:52,307 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:28:52,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:28:52,308 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:28:52,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:28:52,308 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:28:52,309 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:28:52,352 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,420 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:52,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,442 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,450 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:52,454 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:52,518 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:52,518 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 130 treesize of output 154 [2020-12-23 01:28:52,523 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:54,662 WARN L197 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 91 [2020-12-23 01:28:54,664 INFO L625 ElimStorePlain]: treesize reduction 1300, result has 27.8 percent of original size [2020-12-23 01:28:54,668 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 3 xjuncts. [2020-12-23 01:28:54,668 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:503, output treesize:500 [2020-12-23 01:28:55,484 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 01:28:56,885 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-12-23 01:28:56,895 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:28:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,927 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:56,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,034 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:57,280 INFO L244 Elim1Store]: Index analysis took 362 ms [2020-12-23 01:28:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,285 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:57,287 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:57,291 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:57,296 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,168 WARN L197 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-12-23 01:28:58,169 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:58,169 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 13 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 193 treesize of output 721 [2020-12-23 01:28:58,180 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2020-12-23 01:28:58,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2020-12-23 01:28:58,182 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 01:28:58,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 01:28:58,183 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2020-12-23 01:28:58,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:28:58,184 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:28:58,184 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:28:58,185 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:28:58,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:28:58,187 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:28:58,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:28:58,188 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:28:58,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:28:58,190 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:28:58,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:28:58,191 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:28:58,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:28:58,192 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 2, 1] term [2020-12-23 01:28:58,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:28:58,193 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 2, 1] term [2020-12-23 01:28:58,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:28:58,194 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 2, 1] term [2020-12-23 01:28:58,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:28:58,195 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 2, 1] term [2020-12-23 01:28:58,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:28:58,196 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:28:58,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:28:58,197 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:28:58,197 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:28:58,198 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:28:58,198 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:28:58,199 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:28:58,199 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:28:58,199 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:28:58,200 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:28:58,200 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:28:58,200 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:28:58,201 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:28:58,201 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:28:58,201 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:28:58,201 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:28:58,260 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,288 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,345 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,497 INFO L244 Elim1Store]: Index analysis took 215 ms [2020-12-23 01:28:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,503 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,504 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,509 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,513 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,592 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:58,593 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 170 treesize of output 184 [2020-12-23 01:28:58,598 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:58,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,635 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,689 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,691 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,695 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:58,699 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:28:58,774 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:58,775 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 182 treesize of output 187 [2020-12-23 01:28:58,789 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:01,838 WARN L197 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 281 DAG size of output: 114 [2020-12-23 01:29:01,839 INFO L625 ElimStorePlain]: treesize reduction 1878, result has 23.7 percent of original size [2020-12-23 01:29:01,844 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 3 xjuncts. [2020-12-23 01:29:01,845 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:603, output treesize:584 [2020-12-23 01:29:02,871 WARN L197 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-12-23 01:29:04,592 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-12-23 01:29:04,604 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,645 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:04,795 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:05,242 INFO L244 Elim1Store]: Index analysis took 612 ms [2020-12-23 01:29:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,278 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:05,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,288 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:05,304 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:05,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,293 WARN L197 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-12-23 01:29:06,294 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:06,294 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 17 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 49 case distinctions, treesize of input 220 treesize of output 802 [2020-12-23 01:29:06,315 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[25, 3, 2, 1] term [2020-12-23 01:29:06,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 25 disjuncts [2020-12-23 01:29:06,317 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[24, 3, 2, 1] term [2020-12-23 01:29:06,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 24 disjuncts [2020-12-23 01:29:06,318 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[23, 3, 2, 1] term [2020-12-23 01:29:06,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 23 disjuncts [2020-12-23 01:29:06,319 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2020-12-23 01:29:06,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2020-12-23 01:29:06,321 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 01:29:06,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 01:29:06,322 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2020-12-23 01:29:06,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:29:06,323 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:29:06,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:29:06,324 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:29:06,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:29:06,324 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:29:06,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:29:06,325 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:29:06,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:29:06,326 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:29:06,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:29:06,327 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 2, 1] term [2020-12-23 01:29:06,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:29:06,328 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 1] term [2020-12-23 01:29:06,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:29:06,328 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 1] term [2020-12-23 01:29:06,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:29:06,329 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 1] term [2020-12-23 01:29:06,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 01:29:06,330 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 1] term [2020-12-23 01:29:06,330 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 01:29:06,331 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:29:06,331 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 01:29:06,331 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:29:06,331 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:29:06,332 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:29:06,332 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:29:06,332 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:29:06,332 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:29:06,333 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:29:06,333 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:29:06,333 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:29:06,333 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:29:06,334 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:29:06,334 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:29:06,334 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:29:06,335 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:06,464 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 345 [2020-12-23 01:29:06,471 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:06,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,528 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,642 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,926 INFO L244 Elim1Store]: Index analysis took 407 ms [2020-12-23 01:29:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,951 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,953 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,960 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:06,967 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,035 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:07,036 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 201 treesize of output 196 [2020-12-23 01:29:07,043 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,100 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,205 INFO L244 Elim1Store]: Index analysis took 119 ms [2020-12-23 01:29:07,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,229 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,230 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,231 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:07,237 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:07,296 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:07,297 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 204 treesize of output 199 [2020-12-23 01:29:07,304 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:11,504 WARN L197 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 394 DAG size of output: 118 [2020-12-23 01:29:11,506 INFO L625 ElimStorePlain]: treesize reduction 3811, result has 14.2 percent of original size [2020-12-23 01:29:11,511 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 3 xjuncts. [2020-12-23 01:29:11,511 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:683, output treesize:629 [2020-12-23 01:29:12,670 WARN L197 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 01:29:13,730 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-12-23 01:29:13,741 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,196 INFO L244 Elim1Store]: Index analysis took 430 ms [2020-12-23 01:29:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,229 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,245 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,250 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,259 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:14,260 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:14,335 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:14,335 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 30 case distinctions, treesize of input 224 treesize of output 230 [2020-12-23 01:29:14,343 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,078 INFO L244 Elim1Store]: Index analysis took 715 ms [2020-12-23 01:29:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,120 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,129 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,140 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:15,150 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:15,152 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:16,334 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 194 [2020-12-23 01:29:16,335 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:16,336 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 24 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 57 case distinctions, treesize of input 228 treesize of output 958 [2020-12-23 01:29:16,351 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[31, 3, 2, 1] term [2020-12-23 01:29:16,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 31 disjuncts [2020-12-23 01:29:16,353 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[30, 3, 2, 1] term [2020-12-23 01:29:16,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 30 disjuncts [2020-12-23 01:29:16,354 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[29, 3, 2, 1] term [2020-12-23 01:29:16,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 29 disjuncts [2020-12-23 01:29:16,356 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[28, 3, 2, 1] term [2020-12-23 01:29:16,356 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 28 disjuncts [2020-12-23 01:29:16,358 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[27, 3, 2, 1] term [2020-12-23 01:29:16,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 27 disjuncts [2020-12-23 01:29:16,360 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[26, 3, 2, 1] term [2020-12-23 01:29:16,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 26 disjuncts [2020-12-23 01:29:16,361 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[25, 3, 2, 1] term [2020-12-23 01:29:16,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 25 disjuncts [2020-12-23 01:29:16,363 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[24, 3, 2, 1] term [2020-12-23 01:29:16,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 24 disjuncts [2020-12-23 01:29:16,365 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[23, 3, 2, 1] term [2020-12-23 01:29:16,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 23 disjuncts [2020-12-23 01:29:16,366 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[22, 3, 2, 1] term [2020-12-23 01:29:16,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 22 disjuncts [2020-12-23 01:29:16,368 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[21, 3, 2, 1] term [2020-12-23 01:29:16,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 21 disjuncts [2020-12-23 01:29:16,369 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[20, 3, 2, 1] term [2020-12-23 01:29:16,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:29:16,371 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[19, 3, 2, 1] term [2020-12-23 01:29:16,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 19 disjuncts [2020-12-23 01:29:16,372 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[18, 3, 2, 1] term [2020-12-23 01:29:16,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:29:16,374 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 3, 2, 1] term [2020-12-23 01:29:16,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:29:16,375 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[16, 3, 2, 1] term [2020-12-23 01:29:16,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 16 disjuncts [2020-12-23 01:29:16,376 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[15, 3, 2, 1] term [2020-12-23 01:29:16,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:29:16,378 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[14, 3, 1] term [2020-12-23 01:29:16,379 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 14 disjuncts [2020-12-23 01:29:16,380 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[13, 3, 1] term [2020-12-23 01:29:16,380 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 13 disjuncts [2020-12-23 01:29:16,381 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[12, 3, 1] term [2020-12-23 01:29:16,381 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-12-23 01:29:16,382 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 1] term [2020-12-23 01:29:16,382 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 11 disjuncts [2020-12-23 01:29:16,383 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 1] term [2020-12-23 01:29:16,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-12-23 01:29:16,385 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 1] term [2020-12-23 01:29:16,385 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-12-23 01:29:16,386 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:29:16,386 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:29:16,387 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:29:16,387 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:29:16,387 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:29:16,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:29:16,388 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:29:16,389 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:29:16,389 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:29:16,390 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:29:16,390 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:29:16,391 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:29:16,391 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:29:16,391 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:16,777 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 489 [2020-12-23 01:29:16,788 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,943 INFO L244 Elim1Store]: Index analysis took 118 ms [2020-12-23 01:29:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,983 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:17,000 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:17,008 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:17,016 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:17,018 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:17,087 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:17,087 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 30 case distinctions, treesize of input 230 treesize of output 236 [2020-12-23 01:29:17,094 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:23,133 WARN L197 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 534 DAG size of output: 125 [2020-12-23 01:29:23,135 INFO L625 ElimStorePlain]: treesize reduction 7839, result has 9.1 percent of original size [2020-12-23 01:29:23,139 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 3 xjuncts. [2020-12-23 01:29:23,140 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:740, output treesize:785 [2020-12-23 01:29:24,691 WARN L197 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-12-23 01:29:26,068 WARN L197 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-23 01:29:26,080 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 15, 1] term [2020-12-23 01:29:26,080 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:26,099 INFO L443 ElimStorePlain]: Different costs {182=[v_prenex_18, v_prenex_16], 240=[|v_#memory_int_61|]} [2020-12-23 01:29:26,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:29:26,115 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:26,923 WARN L197 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2020-12-23 01:29:26,924 INFO L625 ElimStorePlain]: treesize reduction 285, result has 50.4 percent of original size [2020-12-23 01:29:26,925 INFO L515 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2020-12-23 01:29:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,020 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,075 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,102 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,117 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,130 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:27,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:27,643 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 01:29:27,644 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:27,644 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 39 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 108 case distinctions, treesize of input 270 treesize of output 536 [2020-12-23 01:29:27,654 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 2, 1] term [2020-12-23 01:29:27,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:29:27,655 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:29:27,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:29:27,656 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:29:27,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:29:27,657 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:29:27,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:29:27,657 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:29:27,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:29:27,658 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:29:27,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:29:27,661 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:29:27,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:29:27,662 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:29:27,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:29:27,676 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:28,468 WARN L197 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 92 [2020-12-23 01:29:28,469 INFO L625 ElimStorePlain]: treesize reduction 789, result has 26.6 percent of original size [2020-12-23 01:29:28,474 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:28,474 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:849, output treesize:286 [2020-12-23 01:29:28,951 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-23 01:29:29,449 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86