/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/sqm-if.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:27:53,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:27:53,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:27:53,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:27:53,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:27:53,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:27:53,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:27:53,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:27:53,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:27:53,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:27:53,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:27:53,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:27:53,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:27:53,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:27:53,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:27:53,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:27:53,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:27:53,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:27:53,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:27:53,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:27:53,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:27:53,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:27:53,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:27:53,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:27:53,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 11:27:53,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:27:53,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:27:53,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:27:53,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:27:53,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:27:53,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:27:53,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:27:53,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:27:53,563 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:27:53,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:27:53,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:27:53,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:27:53,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:27:53,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:27:53,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:27:53,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:27:53,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:27:53,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:27:53,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:27:53,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:27:53,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:27:53,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:27:53,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:27:53,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:27:53,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:27:53,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:27:53,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:27:53,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:27:53,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:27:53,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:27:54,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:27:54,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:27:54,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:27:54,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:27:54,137 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:27:54,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sqm-if.c [2021-01-06 11:27:54,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b93011e81/2893c66965864812938bedee58bba623/FLAGb4e228833 [2021-01-06 11:27:54,939 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:27:54,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm-if.c [2021-01-06 11:27:54,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b93011e81/2893c66965864812938bedee58bba623/FLAGb4e228833 [2021-01-06 11:27:55,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b93011e81/2893c66965864812938bedee58bba623 [2021-01-06 11:27:55,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:27:55,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:27:55,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:27:55,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:27:55,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:27:55,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b479543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55, skipping insertion in model container [2021-01-06 11:27:55,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:27:55,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 11:27:55,506 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/sqm-if.c[589,602] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] 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],StructAccessExpression[IdentifierExpression[~b~0,],offset]]] 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],StructAccessExpression[IdentifierExpression[~a~0,],offset]]] 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,] [2021-01-06 11:27:55,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:27:55,540 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 11:27:55,555 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/sqm-if.c[589,602] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] 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],StructAccessExpression[IdentifierExpression[~b~0,],offset]]] 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],StructAccessExpression[IdentifierExpression[~a~0,],offset]]] 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,] [2021-01-06 11:27:55,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:27:55,589 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:27:55,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55 WrapperNode [2021-01-06 11:27:55,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:27:55,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:27:55,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:27:55,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:27:55,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:27:55,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:27:55,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:27:55,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:27:55,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (1/1) ... [2021-01-06 11:27:55,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:27:55,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:27:55,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:27:55,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:27:55,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (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 [2021-01-06 11:27:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:27:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:27:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 11:27:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-06 11:27:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:27:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:27:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 11:27:56,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:27:56,517 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-06 11:27:56,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:27:56 BoogieIcfgContainer [2021-01-06 11:27:56,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:27:56,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:27:56,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:27:56,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:27:56,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:27:55" (1/3) ... [2021-01-06 11:27:56,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a028f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:27:56, skipping insertion in model container [2021-01-06 11:27:56,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:27:55" (2/3) ... [2021-01-06 11:27:56,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a028f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:27:56, skipping insertion in model container [2021-01-06 11:27:56,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:27:56" (3/3) ... [2021-01-06 11:27:56,539 INFO L111 eAbstractionObserver]: Analyzing ICFG sqm-if.c [2021-01-06 11:27:56,549 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:27:56,555 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:27:56,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:27:56,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:27:56,631 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:27:56,631 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:27:56,631 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:27:56,631 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:27:56,632 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:27:56,632 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:27:56,632 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:27:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2021-01-06 11:27:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 11:27:56,661 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:27:56,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:27:56,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:27:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:27:56,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2021-01-06 11:27:56,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:27:56,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901225449] [2021-01-06 11:27:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:27:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:27:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:27:56,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901225449] [2021-01-06 11:27:56,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:27:56,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:27:56,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874286164] [2021-01-06 11:27:56,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 11:27:56,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:27:56,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 11:27:56,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 11:27:56,913 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2021-01-06 11:27:56,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:27:56,936 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2021-01-06 11:27:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 11:27:56,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-01-06 11:27:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:27:56,949 INFO L225 Difference]: With dead ends: 42 [2021-01-06 11:27:56,949 INFO L226 Difference]: Without dead ends: 19 [2021-01-06 11:27:56,953 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 [2021-01-06 11:27:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-01-06 11:27:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-01-06 11:27:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-01-06 11:27:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-01-06 11:27:56,997 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2021-01-06 11:27:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:27:56,998 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-01-06 11:27:56,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 11:27:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-01-06 11:27:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 11:27:56,999 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:27:56,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:27:57,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:27:57,000 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:27:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:27:57,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2021-01-06 11:27:57,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:27:57,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776436046] [2021-01-06 11:27:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:27:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:27:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:27:57,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776436046] [2021-01-06 11:27:57,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:27:57,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 11:27:57,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131737002] [2021-01-06 11:27:57,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:27:57,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:27:57,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:27:57,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:27:57,165 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 4 states. [2021-01-06 11:27:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:27:57,243 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2021-01-06 11:27:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:27:57,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-01-06 11:27:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:27:57,246 INFO L225 Difference]: With dead ends: 45 [2021-01-06 11:27:57,246 INFO L226 Difference]: Without dead ends: 31 [2021-01-06 11:27:57,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:27:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-01-06 11:27:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-01-06 11:27:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-01-06 11:27:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-01-06 11:27:57,265 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-01-06 11:27:57,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:27:57,266 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-01-06 11:27:57,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:27:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-01-06 11:27:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 11:27:57,269 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:27:57,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:27:57,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:27:57,270 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:27:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:27:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2021-01-06 11:27:57,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:27:57,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065924941] [2021-01-06 11:27:57,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:27:57,317 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:27:57,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456979268] [2021-01-06 11:27:57,318 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 [2021-01-06 11:27:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:27:57,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2021-01-06 11:27:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:27:57,566 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:27:57,567 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:57,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:57,572 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:27:57,572 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-01-06 11:27:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:27:57,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065924941] [2021-01-06 11:27:57,670 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:27:57,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456979268] [2021-01-06 11:27:57,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:27:57,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-06 11:27:57,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194085364] [2021-01-06 11:27:57,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 11:27:57,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:27:57,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 11:27:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-01-06 11:27:57,679 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 9 states. [2021-01-06 11:27:58,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:27:58,233 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2021-01-06 11:27:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 11:27:58,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2021-01-06 11:27:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:27:58,235 INFO L225 Difference]: With dead ends: 45 [2021-01-06 11:27:58,236 INFO L226 Difference]: Without dead ends: 43 [2021-01-06 11:27:58,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-01-06 11:27:58,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-01-06 11:27:58,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2021-01-06 11:27:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-01-06 11:27:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-01-06 11:27:58,245 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 18 [2021-01-06 11:27:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:27:58,245 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-01-06 11:27:58,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 11:27:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-01-06 11:27:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 11:27:58,247 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:27:58,247 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:27:58,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-06 11:27:58,462 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:27:58,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:27:58,464 INFO L82 PathProgramCache]: Analyzing trace with hash -748772581, now seen corresponding path program 1 times [2021-01-06 11:27:58,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:27:58,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56126270] [2021-01-06 11:27:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:27:58,487 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:27:58,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380575139] [2021-01-06 11:27:58,488 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 [2021-01-06 11:27:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:27:58,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 11:27:58,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:27:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 11:27:58,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56126270] [2021-01-06 11:27:58,669 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:27:58,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380575139] [2021-01-06 11:27:58,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:27:58,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-01-06 11:27:58,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438141919] [2021-01-06 11:27:58,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 11:27:58,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:27:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 11:27:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 11:27:58,672 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 7 states. [2021-01-06 11:27:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:27:58,821 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2021-01-06 11:27:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 11:27:58,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2021-01-06 11:27:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:27:58,823 INFO L225 Difference]: With dead ends: 65 [2021-01-06 11:27:58,823 INFO L226 Difference]: Without dead ends: 41 [2021-01-06 11:27:58,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-01-06 11:27:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-01-06 11:27:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2021-01-06 11:27:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-01-06 11:27:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2021-01-06 11:27:58,831 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 22 [2021-01-06 11:27:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:27:58,832 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2021-01-06 11:27:58,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 11:27:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-01-06 11:27:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 11:27:58,833 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:27:58,833 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:27:59,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:27:59,048 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:27:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:27:59,050 INFO L82 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2021-01-06 11:27:59,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:27:59,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366859951] [2021-01-06 11:27:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:27:59,078 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:27:59,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276991102] [2021-01-06 11:27:59,079 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 [2021-01-06 11:27:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:27:59,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 34 conjunts are in the unsatisfiable core [2021-01-06 11:27:59,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:27:59,187 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 [2021-01-06 11:27:59,192 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:59,199 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,200 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2021-01-06 11:27:59,221 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:27:59,222 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,230 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:59,231 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2021-01-06 11:27:59,308 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-01-06 11:27:59,309 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-01-06 11:27:59,313 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,324 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:59,326 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,327 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:32 [2021-01-06 11:27:59,399 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-01-06 11:27:59,400 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2021-01-06 11:27:59,405 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,418 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:59,419 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,420 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:34 [2021-01-06 11:27:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:27:59,513 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-01-06 11:27:59,514 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 45 [2021-01-06 11:27:59,517 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:27:59,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:27:59,537 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. [2021-01-06 11:27:59,538 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:46 [2021-01-06 11:27:59,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:27:59,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:27:59,825 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:27:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:27:59,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366859951] [2021-01-06 11:27:59,870 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:27:59,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276991102] [2021-01-06 11:27:59,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:27:59,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-01-06 11:27:59,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842384244] [2021-01-06 11:27:59,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-06 11:27:59,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:27:59,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-06 11:27:59,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-01-06 11:27:59,874 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 13 states. [2021-01-06 11:28:00,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:00,661 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2021-01-06 11:28:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 11:28:00,663 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2021-01-06 11:28:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:00,666 INFO L225 Difference]: With dead ends: 68 [2021-01-06 11:28:00,666 INFO L226 Difference]: Without dead ends: 46 [2021-01-06 11:28:00,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-01-06 11:28:00,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-01-06 11:28:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2021-01-06 11:28:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-01-06 11:28:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2021-01-06 11:28:00,682 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 28 [2021-01-06 11:28:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:00,683 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2021-01-06 11:28:00,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-06 11:28:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-01-06 11:28:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 11:28:00,684 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:00,684 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:00,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:00,898 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash 877615566, now seen corresponding path program 2 times [2021-01-06 11:28:00,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:00,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070692220] [2021-01-06 11:28:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:00,921 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:00,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138823790] [2021-01-06 11:28:00,922 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 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 [2021-01-06 11:28:01,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 11:28:01,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:01,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 11:28:01,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 11:28:01,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070692220] [2021-01-06 11:28:01,114 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:01,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138823790] [2021-01-06 11:28:01,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:01,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-01-06 11:28:01,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434872302] [2021-01-06 11:28:01,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 11:28:01,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 11:28:01,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-01-06 11:28:01,116 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 9 states. [2021-01-06 11:28:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:01,335 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2021-01-06 11:28:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 11:28:01,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2021-01-06 11:28:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:01,337 INFO L225 Difference]: With dead ends: 89 [2021-01-06 11:28:01,338 INFO L226 Difference]: Without dead ends: 51 [2021-01-06 11:28:01,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-01-06 11:28:01,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-01-06 11:28:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 39. [2021-01-06 11:28:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 11:28:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2021-01-06 11:28:01,347 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 32 [2021-01-06 11:28:01,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:01,347 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-01-06 11:28:01,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 11:28:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-01-06 11:28:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-06 11:28:01,348 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:01,349 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:01,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:01,563 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:01,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1129715953, now seen corresponding path program 3 times [2021-01-06 11:28:01,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:01,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969205176] [2021-01-06 11:28:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:01,600 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:01,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145761893] [2021-01-06 11:28:01,601 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 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 [2021-01-06 11:28:01,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-01-06 11:28:01,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:01,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 63 conjunts are in the unsatisfiable core [2021-01-06 11:28:01,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:01,746 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 [2021-01-06 11:28:01,748 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,755 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:01,756 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,756 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2021-01-06 11:28:01,776 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:28:01,776 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,785 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:01,786 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,786 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2021-01-06 11:28:01,891 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2021-01-06 11:28:01,891 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 62 [2021-01-06 11:28:01,896 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,929 INFO L625 ElimStorePlain]: treesize reduction 22, result has 67.6 percent of original size [2021-01-06 11:28:01,935 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:01,936 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:46 [2021-01-06 11:28:02,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 11:28:02,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,112 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:02,114 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 105 [2021-01-06 11:28:02,119 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:02,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,136 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2021-01-06 11:28:02,139 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:02,301 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2021-01-06 11:28:02,302 INFO L625 ElimStorePlain]: treesize reduction 58, result has 69.9 percent of original size [2021-01-06 11:28:02,304 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-06 11:28:02,305 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2021-01-06 11:28:02,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:28:02,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:28:02,607 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:28:02,956 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:28:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,009 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2021-01-06 11:28:03,012 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,083 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:03,084 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 101 [2021-01-06 11:28:03,090 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,120 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 44 treesize of output 43 [2021-01-06 11:28:03,122 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:03,351 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-01-06 11:28:03,353 INFO L625 ElimStorePlain]: treesize reduction 73, result has 73.1 percent of original size [2021-01-06 11:28:03,357 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. [2021-01-06 11:28:03,358 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:209, output treesize:198 [2021-01-06 11:28:03,547 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-06 11:28:03,775 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-06 11:28:03,805 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:28:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,923 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:03,924 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 143 [2021-01-06 11:28:03,930 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,974 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 70 [2021-01-06 11:28:03,978 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:03,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:04,000 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 74 treesize of output 70 [2021-01-06 11:28:04,005 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:04,351 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2021-01-06 11:28:04,352 INFO L625 ElimStorePlain]: treesize reduction 114, result has 72.1 percent of original size [2021-01-06 11:28:04,358 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. [2021-01-06 11:28:04,359 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:318, output treesize:295 [2021-01-06 11:28:04,601 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-01-06 11:28:04,859 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-01-06 11:28:05,110 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2021-01-06 11:28:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:05,184 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:05,190 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 3 case distinctions, treesize of input 121 treesize of output 161 [2021-01-06 11:28:05,195 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:05,308 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-01-06 11:28:05,309 INFO L625 ElimStorePlain]: treesize reduction 111, result has 55.4 percent of original size [2021-01-06 11:28:05,328 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. [2021-01-06 11:28:05,328 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:138 [2021-01-06 11:28:06,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:28:06,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:28:06,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:28:06,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-06 11:28:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:28:06,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969205176] [2021-01-06 11:28:06,502 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:06,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145761893] [2021-01-06 11:28:06,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:06,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-01-06 11:28:06,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108992260] [2021-01-06 11:28:06,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-06 11:28:06,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:06,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-06 11:28:06,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-01-06 11:28:06,505 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 24 states. [2021-01-06 11:28:07,184 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-01-06 11:28:07,419 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2021-01-06 11:28:07,753 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2021-01-06 11:28:08,008 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-01-06 11:28:08,587 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2021-01-06 11:28:08,931 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2021-01-06 11:28:09,417 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2021-01-06 11:28:09,771 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2021-01-06 11:28:09,987 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2021-01-06 11:28:10,234 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-01-06 11:28:10,606 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2021-01-06 11:28:11,099 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-01-06 11:28:11,416 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-01-06 11:28:11,743 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-01-06 11:28:14,114 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2021-01-06 11:28:14,447 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-01-06 11:28:14,942 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-01-06 11:28:15,816 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-01-06 11:28:16,284 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-01-06 11:28:16,806 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-01-06 11:28:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:16,855 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2021-01-06 11:28:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-01-06 11:28:16,857 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2021-01-06 11:28:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:16,858 INFO L225 Difference]: With dead ends: 84 [2021-01-06 11:28:16,858 INFO L226 Difference]: Without dead ends: 49 [2021-01-06 11:28:16,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=398, Invalid=2052, Unknown=0, NotChecked=0, Total=2450 [2021-01-06 11:28:16,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-01-06 11:28:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2021-01-06 11:28:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-01-06 11:28:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2021-01-06 11:28:16,870 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 38 [2021-01-06 11:28:16,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:16,870 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-01-06 11:28:16,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-01-06 11:28:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-01-06 11:28:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 11:28:16,872 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:16,872 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:17,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-01-06 11:28:17,078 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:17,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:17,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1247413058, now seen corresponding path program 4 times [2021-01-06 11:28:17,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:17,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745192604] [2021-01-06 11:28:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:17,116 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:17,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185019977] [2021-01-06 11:28:17,117 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 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 [2021-01-06 11:28:17,205 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-06 11:28:17,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:17,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 11:28:17,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 11:28:17,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745192604] [2021-01-06 11:28:17,355 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:17,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185019977] [2021-01-06 11:28:17,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:17,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-01-06 11:28:17,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684625507] [2021-01-06 11:28:17,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 11:28:17,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:17,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 11:28:17,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-01-06 11:28:17,357 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 11 states. [2021-01-06 11:28:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:17,678 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2021-01-06 11:28:17,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 11:28:17,679 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2021-01-06 11:28:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:17,686 INFO L225 Difference]: With dead ends: 98 [2021-01-06 11:28:17,686 INFO L226 Difference]: Without dead ends: 63 [2021-01-06 11:28:17,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-01-06 11:28:17,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-01-06 11:28:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 45. [2021-01-06 11:28:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-01-06 11:28:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-01-06 11:28:17,722 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 41 [2021-01-06 11:28:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:17,722 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-01-06 11:28:17,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 11:28:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-01-06 11:28:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 11:28:17,726 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:17,727 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:17,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:17,946 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:17,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:17,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1596358930, now seen corresponding path program 5 times [2021-01-06 11:28:17,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:17,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753807716] [2021-01-06 11:28:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:18,000 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:18,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11098564] [2021-01-06 11:28:18,001 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 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 [2021-01-06 11:28:18,127 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-01-06 11:28:18,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:18,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 51 conjunts are in the unsatisfiable core [2021-01-06 11:28:18,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:18,148 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 [2021-01-06 11:28:18,150 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,157 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,158 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,158 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2021-01-06 11:28:18,177 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:28:18,178 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,190 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,192 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2021-01-06 11:28:18,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,243 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-01-06 11:28:18,246 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,264 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,266 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,266 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:47 [2021-01-06 11:28:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,349 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2021-01-06 11:28:18,352 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,375 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,376 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,377 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:64 [2021-01-06 11:28:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,500 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,501 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 79 [2021-01-06 11:28:18,504 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,566 INFO L625 ElimStorePlain]: treesize reduction 25, result has 75.5 percent of original size [2021-01-06 11:28:18,569 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. [2021-01-06 11:28:18,569 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:77 [2021-01-06 11:28:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,689 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:18,690 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 75 treesize of output 89 [2021-01-06 11:28:18,693 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:18,772 INFO L625 ElimStorePlain]: treesize reduction 25, result has 77.7 percent of original size [2021-01-06 11:28:18,775 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. [2021-01-06 11:28:18,776 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:87 [2021-01-06 11:28:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:18,999 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:19,000 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 107 treesize of output 116 [2021-01-06 11:28:19,004 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:19,124 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2021-01-06 11:28:19,125 INFO L625 ElimStorePlain]: treesize reduction 29, result has 79.7 percent of original size [2021-01-06 11:28:19,127 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. [2021-01-06 11:28:19,128 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:114 [2021-01-06 11:28:19,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:19,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:19,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,573 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-01-06 11:28:19,576 INFO L348 Elim1Store]: treesize reduction 24, result has 84.4 percent of original size [2021-01-06 11:28:19,577 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 124 treesize of output 237 [2021-01-06 11:28:19,588 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:19,727 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2021-01-06 11:28:19,728 INFO L625 ElimStorePlain]: treesize reduction 199, result has 33.0 percent of original size [2021-01-06 11:28:19,732 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. [2021-01-06 11:28:19,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:136, output treesize:98 [2021-01-06 11:28:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:19,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:20,103 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-06 11:28:20,104 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:20,105 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 98 treesize of output 238 [2021-01-06 11:28:20,116 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2021-01-06 11:28:20,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:28:20,117 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2021-01-06 11:28:20,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 11:28:20,118 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-01-06 11:28:20,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:28:20,131 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:20,218 INFO L625 ElimStorePlain]: treesize reduction 22, result has 81.5 percent of original size [2021-01-06 11:28:20,226 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. [2021-01-06 11:28:20,227 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:97 [2021-01-06 11:28:20,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:28:20,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:28:20,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 11:28:20,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:28:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:28:20,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753807716] [2021-01-06 11:28:20,853 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:20,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11098564] [2021-01-06 11:28:20,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:20,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2021-01-06 11:28:20,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701176173] [2021-01-06 11:28:20,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-01-06 11:28:20,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-01-06 11:28:20,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-01-06 11:28:20,856 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 21 states. [2021-01-06 11:28:21,822 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-01-06 11:28:22,013 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2021-01-06 11:28:22,216 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 56 [2021-01-06 11:28:22,437 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2021-01-06 11:28:22,642 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-06 11:28:22,878 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-01-06 11:28:23,129 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-06 11:28:23,369 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-01-06 11:28:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:23,408 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2021-01-06 11:28:23,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-01-06 11:28:23,411 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 44 [2021-01-06 11:28:23,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:23,414 INFO L225 Difference]: With dead ends: 97 [2021-01-06 11:28:23,414 INFO L226 Difference]: Without dead ends: 59 [2021-01-06 11:28:23,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-01-06 11:28:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-01-06 11:28:23,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2021-01-06 11:28:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-01-06 11:28:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2021-01-06 11:28:23,439 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 44 [2021-01-06 11:28:23,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:23,440 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2021-01-06 11:28:23,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2021-01-06 11:28:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2021-01-06 11:28:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 11:28:23,441 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:23,441 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:23,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:23,651 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:23,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:23,652 INFO L82 PathProgramCache]: Analyzing trace with hash -30396710, now seen corresponding path program 6 times [2021-01-06 11:28:23,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:23,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290282141] [2021-01-06 11:28:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:23,685 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:23,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812532645] [2021-01-06 11:28:23,686 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 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 [2021-01-06 11:28:23,818 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-01-06 11:28:23,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:23,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2021-01-06 11:28:23,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 32 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-01-06 11:28:24,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290282141] [2021-01-06 11:28:24,057 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:24,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812532645] [2021-01-06 11:28:24,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:24,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-01-06 11:28:24,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75986107] [2021-01-06 11:28:24,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-06 11:28:24,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:24,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-06 11:28:24,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-01-06 11:28:24,060 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 13 states. [2021-01-06 11:28:24,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:24,450 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2021-01-06 11:28:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 11:28:24,451 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2021-01-06 11:28:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:24,452 INFO L225 Difference]: With dead ends: 128 [2021-01-06 11:28:24,452 INFO L226 Difference]: Without dead ends: 71 [2021-01-06 11:28:24,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2021-01-06 11:28:24,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-01-06 11:28:24,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2021-01-06 11:28:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-01-06 11:28:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2021-01-06 11:28:24,465 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 52 [2021-01-06 11:28:24,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:24,465 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2021-01-06 11:28:24,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-01-06 11:28:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2021-01-06 11:28:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 11:28:24,466 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:24,467 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:24,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 11:28:24,680 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1463923901, now seen corresponding path program 7 times [2021-01-06 11:28:24,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:24,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797872935] [2021-01-06 11:28:24,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:24,707 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:24,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198235501] [2021-01-06 11:28:24,708 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 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 [2021-01-06 11:28:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:28:24,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 58 conjunts are in the unsatisfiable core [2021-01-06 11:28:24,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:24,817 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 [2021-01-06 11:28:24,820 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:24,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:24,828 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:24,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2021-01-06 11:28:24,848 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:28:24,850 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:24,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:24,861 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:24,861 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2021-01-06 11:28:24,961 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2021-01-06 11:28:24,962 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 62 [2021-01-06 11:28:24,965 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,021 INFO L625 ElimStorePlain]: treesize reduction 31, result has 56.3 percent of original size [2021-01-06 11:28:25,023 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,023 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2021-01-06 11:28:25,175 INFO L348 Elim1Store]: treesize reduction 126, result has 31.5 percent of original size [2021-01-06 11:28:25,176 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 6 case distinctions, treesize of input 57 treesize of output 79 [2021-01-06 11:28:25,179 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,229 INFO L625 ElimStorePlain]: treesize reduction 31, result has 67.0 percent of original size [2021-01-06 11:28:25,230 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,230 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2021-01-06 11:28:25,511 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2021-01-06 11:28:25,512 INFO L348 Elim1Store]: treesize reduction 116, result has 52.5 percent of original size [2021-01-06 11:28:25,513 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 10 case distinctions, treesize of input 66 treesize of output 154 [2021-01-06 11:28:25,518 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,594 INFO L625 ElimStorePlain]: treesize reduction 97, result has 37.4 percent of original size [2021-01-06 11:28:25,595 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,596 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:58 [2021-01-06 11:28:25,765 INFO L348 Elim1Store]: treesize reduction 172, result has 16.9 percent of original size [2021-01-06 11:28:25,766 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 10 case distinctions, treesize of input 64 treesize of output 60 [2021-01-06 11:28:25,768 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:25,793 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,794 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2021-01-06 11:28:25,936 INFO L348 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-01-06 11:28:25,936 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 70 [2021-01-06 11:28:25,938 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:25,971 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:25,972 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:61 [2021-01-06 11:28:26,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:26,222 INFO L348 Elim1Store]: treesize reduction 112, result has 39.8 percent of original size [2021-01-06 11:28:26,222 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 173 [2021-01-06 11:28:26,229 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:26,342 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2021-01-06 11:28:26,343 INFO L625 ElimStorePlain]: treesize reduction 144, result has 44.0 percent of original size [2021-01-06 11:28:26,345 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:26,346 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:113 [2021-01-06 11:28:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:26,686 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2021-01-06 11:28:26,687 INFO L348 Elim1Store]: treesize reduction 90, result has 57.3 percent of original size [2021-01-06 11:28:26,688 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 15 case distinctions, treesize of input 141 treesize of output 245 [2021-01-06 11:28:26,697 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:26,800 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-06 11:28:26,801 INFO L625 ElimStorePlain]: treesize reduction 100, result has 62.3 percent of original size [2021-01-06 11:28:26,802 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:26,803 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:165 [2021-01-06 11:28:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,286 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2021-01-06 11:28:27,287 INFO L348 Elim1Store]: treesize reduction 126, result has 59.0 percent of original size [2021-01-06 11:28:27,288 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 194 treesize of output 337 [2021-01-06 11:28:27,301 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:27,491 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-01-06 11:28:27,492 INFO L625 ElimStorePlain]: treesize reduction 280, result has 42.5 percent of original size [2021-01-06 11:28:27,494 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:27,495 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:204, output treesize:207 [2021-01-06 11:28:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:27,817 INFO L348 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-01-06 11:28:27,818 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 180 treesize of output 131 [2021-01-06 11:28:27,822 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:27,880 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:27,883 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. [2021-01-06 11:28:27,884 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:187, output treesize:133 [2021-01-06 11:28:28,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 11:28:28,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-06 11:28:28,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-06 11:28:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:28:29,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797872935] [2021-01-06 11:28:29,126 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:29,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198235501] [2021-01-06 11:28:29,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:29,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-01-06 11:28:29,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077238398] [2021-01-06 11:28:29,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-06 11:28:29,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:29,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-06 11:28:29,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2021-01-06 11:28:29,130 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 28 states. [2021-01-06 11:28:30,456 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2021-01-06 11:28:30,683 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-01-06 11:28:30,970 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2021-01-06 11:28:31,290 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2021-01-06 11:28:31,575 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-01-06 11:28:31,902 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-01-06 11:28:32,247 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-01-06 11:28:32,541 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-06 11:28:32,863 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2021-01-06 11:28:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:32,884 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2021-01-06 11:28:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-01-06 11:28:32,885 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 58 [2021-01-06 11:28:32,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:32,887 INFO L225 Difference]: With dead ends: 72 [2021-01-06 11:28:32,887 INFO L226 Difference]: Without dead ends: 70 [2021-01-06 11:28:32,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=187, Invalid=1219, Unknown=0, NotChecked=0, Total=1406 [2021-01-06 11:28:32,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-01-06 11:28:32,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2021-01-06 11:28:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-01-06 11:28:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2021-01-06 11:28:32,900 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 58 [2021-01-06 11:28:32,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:32,900 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2021-01-06 11:28:32,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2021-01-06 11:28:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2021-01-06 11:28:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 11:28:32,902 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:32,902 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:33,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:33,115 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:33,116 INFO L82 PathProgramCache]: Analyzing trace with hash -895524173, now seen corresponding path program 8 times [2021-01-06 11:28:33,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:33,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433698974] [2021-01-06 11:28:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:33,139 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:33,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510659488] [2021-01-06 11:28:33,140 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 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 [2021-01-06 11:28:33,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 11:28:33,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:33,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjunts are in the unsatisfiable core [2021-01-06 11:28:33,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 50 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-01-06 11:28:33,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433698974] [2021-01-06 11:28:33,508 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:28:33,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510659488] [2021-01-06 11:28:33,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:28:33,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-01-06 11:28:33,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334474566] [2021-01-06 11:28:33,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-06 11:28:33,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:28:33,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-06 11:28:33,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-01-06 11:28:33,511 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 15 states. [2021-01-06 11:28:34,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:28:34,023 INFO L93 Difference]: Finished difference Result 149 states and 155 transitions. [2021-01-06 11:28:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 11:28:34,025 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 62 [2021-01-06 11:28:34,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:28:34,026 INFO L225 Difference]: With dead ends: 149 [2021-01-06 11:28:34,026 INFO L226 Difference]: Without dead ends: 81 [2021-01-06 11:28:34,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2021-01-06 11:28:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-01-06 11:28:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2021-01-06 11:28:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-01-06 11:28:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2021-01-06 11:28:34,041 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 62 [2021-01-06 11:28:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:28:34,041 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2021-01-06 11:28:34,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-01-06 11:28:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2021-01-06 11:28:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 11:28:34,043 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:28:34,043 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:28:34,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:28:34,257 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:28:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:28:34,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1035707248, now seen corresponding path program 9 times [2021-01-06 11:28:34,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:28:34,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851893713] [2021-01-06 11:28:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:28:34,318 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:28:34,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1215903694] [2021-01-06 11:28:34,319 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 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 [2021-01-06 11:28:34,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-01-06 11:28:34,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:28:34,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 86 conjunts are in the unsatisfiable core [2021-01-06 11:28:34,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:28:34,664 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 [2021-01-06 11:28:34,667 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:34,679 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-01-06 11:28:34,703 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:28:34,705 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,718 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:34,719 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,720 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2021-01-06 11:28:34,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:34,775 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-01-06 11:28:34,777 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,796 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:34,797 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,798 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:37 [2021-01-06 11:28:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:34,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:34,875 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2021-01-06 11:28:34,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:34,901 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:34,902 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:55 [2021-01-06 11:28:35,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,012 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2021-01-06 11:28:35,014 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:35,054 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:75 [2021-01-06 11:28:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,227 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 70 [2021-01-06 11:28:35,230 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,275 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:35,277 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,277 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2021-01-06 11:28:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,503 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 81 [2021-01-06 11:28:35,506 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,546 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:35,548 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,548 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:106 [2021-01-06 11:28:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:35,935 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 86 [2021-01-06 11:28:35,939 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,974 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:35,976 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:35,976 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:79 [2021-01-06 11:28:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,204 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 93 [2021-01-06 11:28:36,207 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:36,287 INFO L625 ElimStorePlain]: treesize reduction 4, result has 95.8 percent of original size [2021-01-06 11:28:36,289 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:36,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:92 [2021-01-06 11:28:36,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:37,749 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2021-01-06 11:28:37,750 INFO L348 Elim1Store]: treesize reduction 204, result has 74.1 percent of original size [2021-01-06 11:28:37,751 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 10 new quantified variables, introduced 55 case distinctions, treesize of input 116 treesize of output 624 [2021-01-06 11:28:37,773 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:37,955 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2021-01-06 11:28:37,956 INFO L625 ElimStorePlain]: treesize reduction 230, result has 34.1 percent of original size [2021-01-06 11:28:37,957 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:28:37,958 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:119 [2021-01-06 11:28:38,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:28:38,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,477 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-01-06 11:28:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:38,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:38,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,642 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 242 [2021-01-06 11:28:39,643 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:39,643 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 20 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 56 case distinctions, treesize of input 138 treesize of output 1021 [2021-01-06 11:28:39,675 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:39,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:39,776 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:39,777 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 23 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 131 treesize of output 180 [2021-01-06 11:28:39,781 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:40,282 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 78 [2021-01-06 11:28:40,284 INFO L625 ElimStorePlain]: treesize reduction 504, result has 36.6 percent of original size [2021-01-06 11:28:40,286 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-01-06 11:28:40,287 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:299, output treesize:291 [2021-01-06 11:28:40,578 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-01-06 11:28:40,897 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-01-06 11:28:40,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:28:40,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-06 11:28:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:40,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,141 INFO L244 Elim1Store]: Index analysis took 218 ms [2021-01-06 11:28:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,210 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:41,210 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 32 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 37 case distinctions, treesize of input 174 treesize of output 219 [2021-01-06 11:28:41,216 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,675 INFO L244 Elim1Store]: Index analysis took 447 ms [2021-01-06 11:28:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:41,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:41,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,387 WARN L197 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 313 [2021-01-06 11:28:43,387 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:43,388 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 77 case distinctions, treesize of input 181 treesize of output 1324 [2021-01-06 11:28:43,431 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:43,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:43,534 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:43,535 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 26 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 150 treesize of output 197 [2021-01-06 11:28:43,540 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:44,356 WARN L197 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 98 [2021-01-06 11:28:44,358 INFO L625 ElimStorePlain]: treesize reduction 730, result has 41.2 percent of original size [2021-01-06 11:28:44,365 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-01-06 11:28:44,365 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:552, output treesize:511 [2021-01-06 11:28:44,809 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-01-06 11:28:45,253 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-01-06 11:28:45,738 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 11:28:45,748 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 15, 2, 1] term [2021-01-06 11:28:45,749 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:28:45,752 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-06 11:28:45,765 INFO L443 ElimStorePlain]: Different costs {144=[v_prenex_3], 162=[v_prenex_1], 242=[|v_#memory_int_51|]} [2021-01-06 11:28:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:45,951 INFO L348 Elim1Store]: treesize reduction 8, result has 88.6 percent of original size [2021-01-06 11:28:45,951 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 25 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 61 case distinctions, treesize of input 164 treesize of output 223 [2021-01-06 11:28:45,959 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:47,938 WARN L197 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-01-06 11:28:47,939 INFO L625 ElimStorePlain]: treesize reduction 161, result has 83.1 percent of original size [2021-01-06 11:28:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:48,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:48,125 INFO L348 Elim1Store]: treesize reduction 8, result has 88.6 percent of original size [2021-01-06 11:28:48,126 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 31 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 73 case distinctions, treesize of input 178 treesize of output 232 [2021-01-06 11:28:48,133 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:49,626 WARN L197 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-01-06 11:28:49,627 INFO L625 ElimStorePlain]: treesize reduction 173, result has 82.2 percent of original size [2021-01-06 11:28:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,967 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-01-06 11:28:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:49,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,058 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:50,058 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 46 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 183 treesize of output 240 [2021-01-06 11:28:50,067 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,182 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-01-06 11:28:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:28:50,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:28:51,808 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 299 [2021-01-06 11:28:51,809 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:28:51,810 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 46 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 90 case distinctions, treesize of input 190 treesize of output 1179 [2021-01-06 11:28:51,850 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-01-06 11:28:52,917 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 213 DAG size of output: 142 [2021-01-06 11:28:52,918 INFO L625 ElimStorePlain]: treesize reduction 623, result has 55.8 percent of original size [2021-01-06 11:28:52,925 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-01-06 11:28:52,925 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:779, output treesize:788 [2021-01-06 11:28:53,353 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-01-06 11:28:53,369 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-01-06 11:28:53,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:28:53,378 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-06 11:29:02,070 WARN L197 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 196 [2021-01-06 11:29:02,089 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-01-06 11:29:06,148 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2021-01-06 11:29:06,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:29:06,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:29:06,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-06 11:29:06,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-06 11:29:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:29:06,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851893713] [2021-01-06 11:29:06,927 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:29:06,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215903694] [2021-01-06 11:29:06,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:29:06,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-01-06 11:29:06,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215988064] [2021-01-06 11:29:06,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-01-06 11:29:06,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:29:06,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-01-06 11:29:06,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1352, Unknown=3, NotChecked=0, Total=1482 [2021-01-06 11:29:06,929 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 39 states. [2021-01-06 11:29:12,828 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-01-06 11:29:17,110 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-01-06 11:29:23,567 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-01-06 11:29:28,101 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-01-06 11:29:34,903 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 71 [2021-01-06 11:29:39,546 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-01-06 11:29:42,517 WARN L197 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 101 [2021-01-06 11:29:43,138 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 79 [2021-01-06 11:29:43,960 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 85 [2021-01-06 11:29:45,053 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 128 [2021-01-06 11:29:46,472 WARN L197 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 126 [2021-01-06 11:29:46,824 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-01-06 11:29:50,394 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 300 DAG size of output: 131 [2021-01-06 11:29:50,761 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-01-06 11:29:51,285 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 112 [2021-01-06 11:29:52,144 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 121 [2021-01-06 11:29:53,197 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 117 [2021-01-06 11:29:54,225 WARN L197 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 119 [2021-01-06 11:29:55,055 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 87 [2021-01-06 11:29:56,258 WARN L197 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 130 [2021-01-06 11:29:57,266 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 135 [2021-01-06 11:29:57,635 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-01-06 11:29:57,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:29:57,649 INFO L93 Difference]: Finished difference Result 136 states and 140 transitions. [2021-01-06 11:29:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-01-06 11:29:57,652 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 68 [2021-01-06 11:29:57,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:29:57,653 INFO L225 Difference]: With dead ends: 136 [2021-01-06 11:29:57,653 INFO L226 Difference]: Without dead ends: 134 [2021-01-06 11:29:57,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 43.1s TimeCoverageRelationStatistics Valid=484, Invalid=3289, Unknown=9, NotChecked=0, Total=3782 [2021-01-06 11:29:57,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-01-06 11:29:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 97. [2021-01-06 11:29:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-01-06 11:29:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 101 transitions. [2021-01-06 11:29:57,691 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 101 transitions. Word has length 68 [2021-01-06 11:29:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:29:57,694 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 101 transitions. [2021-01-06 11:29:57,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2021-01-06 11:29:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2021-01-06 11:29:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 11:29:57,696 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:29:57,697 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:29:57,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-06 11:29:57,903 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:29:57,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:29:57,904 INFO L82 PathProgramCache]: Analyzing trace with hash 932725568, now seen corresponding path program 10 times [2021-01-06 11:29:57,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:29:57,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311399056] [2021-01-06 11:29:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:29:57,931 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:29:57,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727297623] [2021-01-06 11:29:57,932 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 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 [2021-01-06 11:29:57,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-06 11:29:57,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:29:58,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2021-01-06 11:29:58,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:29:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 51 proven. 70 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-01-06 11:29:58,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311399056] [2021-01-06 11:29:58,475 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:29:58,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727297623] [2021-01-06 11:29:58,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:29:58,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-01-06 11:29:58,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738262473] [2021-01-06 11:29:58,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-06 11:29:58,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:29:58,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-06 11:29:58,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-01-06 11:29:58,478 INFO L87 Difference]: Start difference. First operand 97 states and 101 transitions. Second operand 17 states. [2021-01-06 11:29:59,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:29:59,700 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2021-01-06 11:29:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 11:29:59,702 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2021-01-06 11:29:59,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:29:59,704 INFO L225 Difference]: With dead ends: 188 [2021-01-06 11:29:59,704 INFO L226 Difference]: Without dead ends: 163 [2021-01-06 11:29:59,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-01-06 11:29:59,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-01-06 11:29:59,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2021-01-06 11:29:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-01-06 11:29:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2021-01-06 11:29:59,725 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 71 [2021-01-06 11:29:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:29:59,726 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2021-01-06 11:29:59,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-01-06 11:29:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2021-01-06 11:29:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 11:29:59,727 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:29:59,727 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:29:59,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 11:29:59,941 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:29:59,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:29:59,942 INFO L82 PathProgramCache]: Analyzing trace with hash -263405594, now seen corresponding path program 11 times [2021-01-06 11:29:59,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:29:59,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277004256] [2021-01-06 11:29:59,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:29:59,961 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:29:59,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463978566] [2021-01-06 11:29:59,962 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 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 [2021-01-06 11:30:00,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-01-06 11:30:00,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:30:00,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjunts are in the unsatisfiable core [2021-01-06 11:30:00,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:30:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 83 proven. 40 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-01-06 11:30:00,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277004256] [2021-01-06 11:30:00,623 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:30:00,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463978566] [2021-01-06 11:30:00,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:30:00,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2021-01-06 11:30:00,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343401043] [2021-01-06 11:30:00,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-06 11:30:00,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:30:00,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-06 11:30:00,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-01-06 11:30:00,625 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 17 states. [2021-01-06 11:30:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:30:01,346 INFO L93 Difference]: Finished difference Result 171 states and 176 transitions. [2021-01-06 11:30:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 11:30:01,348 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 72 [2021-01-06 11:30:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:30:01,350 INFO L225 Difference]: With dead ends: 171 [2021-01-06 11:30:01,350 INFO L226 Difference]: Without dead ends: 93 [2021-01-06 11:30:01,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-01-06 11:30:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-01-06 11:30:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 75. [2021-01-06 11:30:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-01-06 11:30:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2021-01-06 11:30:01,365 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 72 [2021-01-06 11:30:01,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:30:01,365 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2021-01-06 11:30:01,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-01-06 11:30:01,365 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2021-01-06 11:30:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 11:30:01,366 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:30:01,366 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:30:01,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-06 11:30:01,580 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:30:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:30:01,581 INFO L82 PathProgramCache]: Analyzing trace with hash -512038509, now seen corresponding path program 12 times [2021-01-06 11:30:01,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:30:01,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700633094] [2021-01-06 11:30:01,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:30:01,601 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:30:01,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997022345] [2021-01-06 11:30:01,601 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 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 [2021-01-06 11:30:02,393 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-01-06 11:30:02,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:30:02,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 81 conjunts are in the unsatisfiable core [2021-01-06 11:30:02,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:30:02,418 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 [2021-01-06 11:30:02,422 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:02,437 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,438 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-01-06 11:30:02,470 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:30:02,471 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:02,492 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,493 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2021-01-06 11:30:02,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,560 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-01-06 11:30:02,562 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,585 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:02,586 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,586 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:47 [2021-01-06 11:30:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,692 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2021-01-06 11:30:02,695 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,731 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:02,733 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,733 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:66 [2021-01-06 11:30:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:02,897 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 58 [2021-01-06 11:30:02,900 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,946 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:02,947 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:02,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:67 [2021-01-06 11:30:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,207 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-01-06 11:30:03,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:03,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:03,256 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:03,256 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:65 [2021-01-06 11:30:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,460 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2021-01-06 11:30:03,465 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:03,517 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:03,518 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:03,518 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:89 [2021-01-06 11:30:03,889 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-01-06 11:30:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:03,962 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 89 [2021-01-06 11:30:03,965 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:04,037 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:04,038 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:04,038 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:105 [2021-01-06 11:30:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:04,631 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 94 [2021-01-06 11:30:04,636 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:04,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:04,702 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:04,703 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:88 [2021-01-06 11:30:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,061 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 117 [2021-01-06 11:30:05,064 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:05,218 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-01-06 11:30:05,220 INFO L625 ElimStorePlain]: treesize reduction 4, result has 96.7 percent of original size [2021-01-06 11:30:05,222 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:05,222 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:116 [2021-01-06 11:30:05,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:05,753 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2021-01-06 11:30:05,754 INFO L348 Elim1Store]: treesize reduction 24, result has 68.8 percent of original size [2021-01-06 11:30:05,755 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 120 treesize of output 188 [2021-01-06 11:30:05,762 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:05,999 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2021-01-06 11:30:06,000 INFO L625 ElimStorePlain]: treesize reduction 109, result has 53.0 percent of original size [2021-01-06 11:30:06,002 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:06,002 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:123 [2021-01-06 11:30:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:06,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:06,646 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-01-06 11:30:06,648 INFO L348 Elim1Store]: treesize reduction 24, result has 71.8 percent of original size [2021-01-06 11:30:06,648 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 67 case distinctions, treesize of input 142 treesize of output 211 [2021-01-06 11:30:06,657 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:06,880 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-01-06 11:30:06,882 INFO L625 ElimStorePlain]: treesize reduction 31, result has 82.4 percent of original size [2021-01-06 11:30:06,884 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:06,885 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:157, output treesize:145 [2021-01-06 11:30:07,317 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 11:30:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:07,479 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:07,480 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 56 case distinctions, treesize of input 147 treesize of output 199 [2021-01-06 11:30:07,487 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:07,746 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-01-06 11:30:07,747 INFO L625 ElimStorePlain]: treesize reduction 107, result has 60.4 percent of original size [2021-01-06 11:30:07,750 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:07,751 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:163 [2021-01-06 11:30:07,993 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 11:30:08,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:12,478 WARN L197 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 264 DAG size of output: 207 [2021-01-06 11:30:12,479 INFO L348 Elim1Store]: treesize reduction 268, result has 76.1 percent of original size [2021-01-06 11:30:12,479 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 187 treesize of output 915 [2021-01-06 11:30:12,497 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:12,841 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-01-06 11:30:12,842 INFO L625 ElimStorePlain]: treesize reduction 349, result has 30.8 percent of original size [2021-01-06 11:30:12,844 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:12,845 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:199, output treesize:155 [2021-01-06 11:30:13,071 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-01-06 11:30:13,547 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 11:30:13,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-06 11:30:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,101 INFO L244 Elim1Store]: Index analysis took 530 ms [2021-01-06 11:30:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:14,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:14,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,009 WARN L197 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 320 [2021-01-06 11:30:17,010 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:17,011 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 40 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 96 case distinctions, treesize of input 160 treesize of output 1296 [2021-01-06 11:30:17,042 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:17,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:17,245 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:17,245 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 41 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 153 treesize of output 236 [2021-01-06 11:30:17,251 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:18,076 WARN L197 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 82 [2021-01-06 11:30:18,077 INFO L625 ElimStorePlain]: treesize reduction 676, result has 34.0 percent of original size [2021-01-06 11:30:18,082 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-01-06 11:30:18,082 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:343, output treesize:349 [2021-01-06 11:30:18,498 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-01-06 11:30:18,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:30:18,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:30:18,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2021-01-06 11:30:19,090 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-01-06 11:30:19,102 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:30:21,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 11:30:21,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 11:30:21,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2021-01-06 11:30:21,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2021-01-06 11:30:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:30:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700633094] [2021-01-06 11:30:21,548 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:30:21,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997022345] [2021-01-06 11:30:21,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:30:21,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-01-06 11:30:21,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209829291] [2021-01-06 11:30:21,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-01-06 11:30:21,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:30:21,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-01-06 11:30:21,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 11:30:21,551 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 43 states. [2021-01-06 11:30:25,608 WARN L197 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 100 [2021-01-06 11:30:26,293 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 69 [2021-01-06 11:30:26,991 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 103 [2021-01-06 11:30:27,833 WARN L197 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 81 [2021-01-06 11:30:28,970 WARN L197 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 109 [2021-01-06 11:30:29,990 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 117 [2021-01-06 11:30:31,025 WARN L197 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 116 [2021-01-06 11:30:31,754 WARN L197 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 108 [2021-01-06 11:30:36,863 WARN L197 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-01-06 11:30:37,526 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2021-01-06 11:30:39,218 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 171 DAG size of output: 118 [2021-01-06 11:30:40,721 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2021-01-06 11:30:43,645 WARN L197 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 114 [2021-01-06 11:30:44,613 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2021-01-06 11:30:45,579 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 121 [2021-01-06 11:30:46,737 WARN L197 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 122 [2021-01-06 11:30:47,682 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 125 [2021-01-06 11:30:48,849 WARN L197 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 111 [2021-01-06 11:30:50,006 WARN L197 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2021-01-06 11:30:50,811 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 108 [2021-01-06 11:30:51,255 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-01-06 11:30:51,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:30:51,270 INFO L93 Difference]: Finished difference Result 151 states and 157 transitions. [2021-01-06 11:30:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-01-06 11:30:51,274 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 74 [2021-01-06 11:30:51,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:30:51,276 INFO L225 Difference]: With dead ends: 151 [2021-01-06 11:30:51,276 INFO L226 Difference]: Without dead ends: 149 [2021-01-06 11:30:51,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=514, Invalid=3646, Unknown=0, NotChecked=0, Total=4160 [2021-01-06 11:30:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-01-06 11:30:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 110. [2021-01-06 11:30:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-01-06 11:30:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2021-01-06 11:30:51,304 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 74 [2021-01-06 11:30:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:30:51,304 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2021-01-06 11:30:51,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2021-01-06 11:30:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2021-01-06 11:30:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 11:30:51,305 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:30:51,305 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:30:51,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:30:51,520 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:30:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:30:51,521 INFO L82 PathProgramCache]: Analyzing trace with hash 3435875, now seen corresponding path program 13 times [2021-01-06 11:30:51,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:30:51,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083528907] [2021-01-06 11:30:51,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:30:51,540 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:30:51,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255807883] [2021-01-06 11:30:51,541 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 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 [2021-01-06 11:30:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:30:51,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjunts are in the unsatisfiable core [2021-01-06 11:30:51,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:30:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 70 proven. 92 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-01-06 11:30:52,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083528907] [2021-01-06 11:30:52,592 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:30:52,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255807883] [2021-01-06 11:30:52,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:30:52,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-01-06 11:30:52,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446670730] [2021-01-06 11:30:52,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-01-06 11:30:52,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:30:52,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-01-06 11:30:52,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-01-06 11:30:52,595 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 19 states. [2021-01-06 11:30:54,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:30:54,438 INFO L93 Difference]: Finished difference Result 211 states and 217 transitions. [2021-01-06 11:30:54,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 11:30:54,442 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2021-01-06 11:30:54,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:30:54,444 INFO L225 Difference]: With dead ends: 211 [2021-01-06 11:30:54,444 INFO L226 Difference]: Without dead ends: 186 [2021-01-06 11:30:54,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2021-01-06 11:30:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-01-06 11:30:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 113. [2021-01-06 11:30:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-01-06 11:30:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2021-01-06 11:30:54,477 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 77 [2021-01-06 11:30:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:30:54,478 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2021-01-06 11:30:54,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-01-06 11:30:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2021-01-06 11:30:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 11:30:54,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:30:54,480 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:30:54,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-06 11:30:54,681 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:30:54,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:30:54,682 INFO L82 PathProgramCache]: Analyzing trace with hash 377907344, now seen corresponding path program 14 times [2021-01-06 11:30:54,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:30:54,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448214429] [2021-01-06 11:30:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:30:54,706 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:30:54,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525460790] [2021-01-06 11:30:54,707 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 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 [2021-01-06 11:30:54,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 11:30:54,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:30:54,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 79 conjunts are in the unsatisfiable core [2021-01-06 11:30:54,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:30:54,846 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 [2021-01-06 11:30:54,852 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:54,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:54,880 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:54,880 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-01-06 11:30:54,928 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:30:54,931 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:54,957 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:54,958 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:54,959 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2021-01-06 11:30:55,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,072 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2021-01-06 11:30:55,077 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,118 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:55,120 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,120 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:48 [2021-01-06 11:30:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,287 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2021-01-06 11:30:55,294 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:55,362 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,362 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:64 [2021-01-06 11:30:55,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,572 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 55 [2021-01-06 11:30:55,575 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,658 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:55,661 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:55,661 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:86 [2021-01-06 11:30:55,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:55,933 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 69 [2021-01-06 11:30:55,937 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:56,049 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-06 11:30:56,050 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:56,051 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:56,052 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:102 [2021-01-06 11:30:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,410 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 86 [2021-01-06 11:30:56,415 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:56,514 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:56,516 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:56,516 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2021-01-06 11:30:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:56,975 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:56,975 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 121 [2021-01-06 11:30:56,981 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:57,184 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-01-06 11:30:57,186 INFO L625 ElimStorePlain]: treesize reduction 18, result has 83.0 percent of original size [2021-01-06 11:30:57,188 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:30:57,189 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:88 [2021-01-06 11:30:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:57,775 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-01-06 11:30:57,822 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:57,822 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 156 [2021-01-06 11:30:57,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:58,127 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-01-06 11:30:58,129 INFO L625 ElimStorePlain]: treesize reduction 58, result has 66.5 percent of original size [2021-01-06 11:30:58,133 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. [2021-01-06 11:30:58,133 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:119, output treesize:115 [2021-01-06 11:30:58,392 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-06 11:30:58,663 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 11:30:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:58,901 INFO L244 Elim1Store]: Index analysis took 194 ms [2021-01-06 11:30:58,950 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:30:58,951 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 166 [2021-01-06 11:30:58,959 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:30:59,269 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-01-06 11:30:59,272 INFO L625 ElimStorePlain]: treesize reduction 49, result has 71.8 percent of original size [2021-01-06 11:30:59,277 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. [2021-01-06 11:30:59,277 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:125 [2021-01-06 11:30:59,547 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 11:30:59,820 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 11:30:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:30:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:30:59,987 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-01-06 11:31:00,015 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:00,016 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 11 new quantified variables, introduced 2 case distinctions, treesize of input 140 treesize of output 193 [2021-01-06 11:31:00,020 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:00,319 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-01-06 11:31:00,320 INFO L625 ElimStorePlain]: treesize reduction 62, result has 73.6 percent of original size [2021-01-06 11:31:00,329 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. [2021-01-06 11:31:00,330 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:173 [2021-01-06 11:31:00,589 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-01-06 11:31:00,850 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-01-06 11:31:00,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:01,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:01,478 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-01-06 11:31:01,480 INFO L348 Elim1Store]: treesize reduction 8, result has 91.1 percent of original size [2021-01-06 11:31:01,480 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 79 case distinctions, treesize of input 194 treesize of output 265 [2021-01-06 11:31:01,490 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:01,906 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-01-06 11:31:01,907 INFO L625 ElimStorePlain]: treesize reduction 162, result has 58.1 percent of original size [2021-01-06 11:31:01,909 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. [2021-01-06 11:31:01,910 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:211, output treesize:225 [2021-01-06 11:31:02,210 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-01-06 11:31:02,515 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-01-06 11:31:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:02,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:03,054 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-01-06 11:31:03,057 INFO L348 Elim1Store]: treesize reduction 16, result has 85.3 percent of original size [2021-01-06 11:31:03,057 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 43 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 106 case distinctions, treesize of input 247 treesize of output 308 [2021-01-06 11:31:03,066 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:03,634 WARN L197 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-01-06 11:31:03,636 INFO L625 ElimStorePlain]: treesize reduction 198, result has 54.1 percent of original size [2021-01-06 11:31:03,640 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. [2021-01-06 11:31:03,640 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:264, output treesize:233 [2021-01-06 11:31:04,057 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-01-06 11:31:04,432 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 11:31:04,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:04,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:05,060 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-01-06 11:31:05,062 INFO L348 Elim1Store]: treesize reduction 24, result has 80.8 percent of original size [2021-01-06 11:31:05,063 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 43 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 121 case distinctions, treesize of input 213 treesize of output 312 [2021-01-06 11:31:05,072 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:05,568 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-01-06 11:31:05,570 INFO L625 ElimStorePlain]: treesize reduction 196, result has 53.9 percent of original size [2021-01-06 11:31:05,574 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. [2021-01-06 11:31:05,575 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:230, output treesize:229 [2021-01-06 11:31:05,962 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 11:31:06,346 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-06 11:31:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:06,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:07,014 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2021-01-06 11:31:07,015 INFO L348 Elim1Store]: treesize reduction 16, result has 91.4 percent of original size [2021-01-06 11:31:07,016 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 43 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 138 case distinctions, treesize of input 249 treesize of output 391 [2021-01-06 11:31:07,027 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:07,344 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2021-01-06 11:31:07,345 INFO L625 ElimStorePlain]: treesize reduction 213, result has 54.0 percent of original size [2021-01-06 11:31:07,348 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. [2021-01-06 11:31:07,349 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:266, output treesize:250 [2021-01-06 11:31:07,644 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-01-06 11:31:08,001 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 11:31:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:09,057 WARN L197 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2021-01-06 11:31:09,060 INFO L348 Elim1Store]: treesize reduction 24, result has 92.9 percent of original size [2021-01-06 11:31:09,060 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 50 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 174 case distinctions, treesize of input 270 treesize of output 545 [2021-01-06 11:31:09,072 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2021-01-06 11:31:09,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:09,073 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2021-01-06 11:31:09,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:31:09,074 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2021-01-06 11:31:09,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:31:09,075 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2021-01-06 11:31:09,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 11:31:09,075 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-01-06 11:31:09,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 11:31:09,087 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:10,166 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 177 DAG size of output: 95 [2021-01-06 11:31:10,167 INFO L625 ElimStorePlain]: treesize reduction 823, result has 25.9 percent of original size [2021-01-06 11:31:10,171 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. [2021-01-06 11:31:10,171 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:287, output treesize:288 [2021-01-06 11:31:10,636 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-01-06 11:31:11,050 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-06 11:31:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-01-06 11:31:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-01-06 11:31:12,413 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 156 [2021-01-06 11:31:12,415 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:12,415 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 64 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 175 case distinctions, treesize of input 250 treesize of output 748 [2021-01-06 11:31:12,436 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2021-01-06 11:31:12,436 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 11:31:12,437 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2021-01-06 11:31:12,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:31:12,438 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2021-01-06 11:31:12,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,439 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2021-01-06 11:31:12,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 11:31:12,440 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2021-01-06 11:31:12,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 11:31:12,441 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2021-01-06 11:31:12,441 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-06 11:31:12,441 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2021-01-06 11:31:12,441 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:31:12,444 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-06 11:31:12,445 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:12,447 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 11:31:12,448 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 11:31:12,449 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 11:31:12,451 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,452 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,453 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2021-01-06 11:31:12,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,454 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2021-01-06 11:31:12,454 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-06 11:31:12,454 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2021-01-06 11:31:12,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-01-06 11:31:12,455 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2021-01-06 11:31:12,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-01-06 11:31:12,456 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2021-01-06 11:31:12,456 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-01-06 11:31:12,462 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,463 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2021-01-06 11:31:12,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,469 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 4, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,470 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 3, 3, 2, 4, 1] term [2021-01-06 11:31:12,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,471 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2021-01-06 11:31:12,471 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2021-01-06 11:31:12,472 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2021-01-06 11:31:12,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2021-01-06 11:31:12,473 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2021-01-06 11:31:12,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2021-01-06 11:31:12,473 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2021-01-06 11:31:12,474 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2021-01-06 11:31:12,475 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2021-01-06 11:31:12,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,476 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2021-01-06 11:31:12,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 11:31:12,506 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:12,978 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 91 [2021-01-06 11:31:12,980 INFO L625 ElimStorePlain]: treesize reduction 266, result has 45.9 percent of original size [2021-01-06 11:31:12,985 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-01-06 11:31:12,985 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:264, output treesize:226 [2021-01-06 11:31:14,000 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-01-06 11:31:14,587 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-01-06 11:31:15,284 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-01-06 11:31:16,082 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-01-06 11:31:16,661 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-01-06 11:31:17,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:17,210 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:17,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2021-01-06 11:31:17,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2021-01-06 11:31:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:31:17,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448214429] [2021-01-06 11:31:17,599 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:31:17,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525460790] [2021-01-06 11:31:17,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:31:17,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2021-01-06 11:31:17,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676833873] [2021-01-06 11:31:17,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-01-06 11:31:17,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:31:17,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-01-06 11:31:17,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1498, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 11:31:17,602 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand 41 states. [2021-01-06 11:31:19,347 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-01-06 11:31:22,251 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-01-06 11:31:23,137 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-01-06 11:31:23,950 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2021-01-06 11:31:24,859 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2021-01-06 11:31:26,110 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 140 [2021-01-06 11:31:27,159 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 141 [2021-01-06 11:31:28,201 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2021-01-06 11:31:29,282 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-01-06 11:31:30,711 WARN L197 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 137 [2021-01-06 11:31:31,910 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2021-01-06 11:31:33,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:31:33,169 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2021-01-06 11:31:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-01-06 11:31:33,171 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2021-01-06 11:31:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:31:33,172 INFO L225 Difference]: With dead ends: 152 [2021-01-06 11:31:33,172 INFO L226 Difference]: Without dead ends: 150 [2021-01-06 11:31:33,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=246, Invalid=2510, Unknown=0, NotChecked=0, Total=2756 [2021-01-06 11:31:33,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-01-06 11:31:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 92. [2021-01-06 11:31:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-01-06 11:31:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2021-01-06 11:31:33,202 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 80 [2021-01-06 11:31:33,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:31:33,203 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2021-01-06 11:31:33,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2021-01-06 11:31:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2021-01-06 11:31:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 11:31:33,204 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:31:33,204 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:31:33,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-06 11:31:33,405 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:31:33,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:31:33,405 INFO L82 PathProgramCache]: Analyzing trace with hash -203217793, now seen corresponding path program 15 times [2021-01-06 11:31:33,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:31:33,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337845188] [2021-01-06 11:31:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:31:33,421 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:31:33,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149367808] [2021-01-06 11:31:33,421 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 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 [2021-01-06 11:31:33,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-01-06 11:31:33,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:31:33,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjunts are in the unsatisfiable core [2021-01-06 11:31:33,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:31:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 98 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-01-06 11:31:34,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337845188] [2021-01-06 11:31:34,259 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:31:34,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149367808] [2021-01-06 11:31:34,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:31:34,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2021-01-06 11:31:34,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916805938] [2021-01-06 11:31:34,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-01-06 11:31:34,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:31:34,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-01-06 11:31:34,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-01-06 11:31:34,260 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand 19 states. [2021-01-06 11:31:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:31:35,185 INFO L93 Difference]: Finished difference Result 190 states and 195 transitions. [2021-01-06 11:31:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-06 11:31:35,188 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2021-01-06 11:31:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:31:35,189 INFO L225 Difference]: With dead ends: 190 [2021-01-06 11:31:35,189 INFO L226 Difference]: Without dead ends: 101 [2021-01-06 11:31:35,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2021-01-06 11:31:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-01-06 11:31:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2021-01-06 11:31:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-06 11:31:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2021-01-06 11:31:35,215 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 82 [2021-01-06 11:31:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:31:35,215 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2021-01-06 11:31:35,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-01-06 11:31:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2021-01-06 11:31:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 11:31:35,216 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:31:35,216 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:31:35,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:31:35,431 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:31:35,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:31:35,431 INFO L82 PathProgramCache]: Analyzing trace with hash 607278716, now seen corresponding path program 16 times [2021-01-06 11:31:35,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:31:35,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420159000] [2021-01-06 11:31:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:31:35,449 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-01-06 11:31:35,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1586566610] [2021-01-06 11:31:35,450 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 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 [2021-01-06 11:31:35,545 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-06 11:31:35,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 11:31:35,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 78 conjunts are in the unsatisfiable core [2021-01-06 11:31:35,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:31:35,568 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 [2021-01-06 11:31:35,571 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:35,581 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,581 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2021-01-06 11:31:35,605 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-01-06 11:31:35,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:35,622 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,622 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2021-01-06 11:31:35,779 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-01-06 11:31:35,780 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2021-01-06 11:31:35,781 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 62 [2021-01-06 11:31:35,784 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,845 INFO L625 ElimStorePlain]: treesize reduction 28, result has 56.9 percent of original size [2021-01-06 11:31:35,846 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:35,846 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2021-01-06 11:31:36,078 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-01-06 11:31:36,079 INFO L348 Elim1Store]: treesize reduction 126, result has 31.5 percent of original size [2021-01-06 11:31:36,080 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 6 case distinctions, treesize of input 57 treesize of output 79 [2021-01-06 11:31:36,084 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:36,154 INFO L625 ElimStorePlain]: treesize reduction 28, result has 67.8 percent of original size [2021-01-06 11:31:36,155 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:36,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:59 [2021-01-06 11:31:36,470 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2021-01-06 11:31:36,471 INFO L348 Elim1Store]: treesize reduction 216, result has 24.5 percent of original size [2021-01-06 11:31:36,472 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 10 case distinctions, treesize of input 80 treesize of output 96 [2021-01-06 11:31:36,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:36,580 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2021-01-06 11:31:36,581 INFO L625 ElimStorePlain]: treesize reduction 28, result has 74.3 percent of original size [2021-01-06 11:31:36,582 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:36,582 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:81 [2021-01-06 11:31:36,973 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 39 [2021-01-06 11:31:36,975 INFO L348 Elim1Store]: treesize reduction 324, result has 20.2 percent of original size [2021-01-06 11:31:36,975 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 103 treesize of output 113 [2021-01-06 11:31:36,979 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:37,103 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-06 11:31:37,104 INFO L625 ElimStorePlain]: treesize reduction 31, result has 77.4 percent of original size [2021-01-06 11:31:37,106 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:37,106 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:106 [2021-01-06 11:31:37,887 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-01-06 11:31:37,888 INFO L348 Elim1Store]: treesize reduction 226, result has 48.2 percent of original size [2021-01-06 11:31:37,888 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 94 treesize of output 246 [2021-01-06 11:31:37,893 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:38,098 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2021-01-06 11:31:38,100 INFO L625 ElimStorePlain]: treesize reduction 163, result has 30.9 percent of original size [2021-01-06 11:31:38,101 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:38,101 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:101, output treesize:73 [2021-01-06 11:31:39,020 WARN L197 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2021-01-06 11:31:39,021 INFO L348 Elim1Store]: treesize reduction 358, result has 38.3 percent of original size [2021-01-06 11:31:39,021 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 255 [2021-01-06 11:31:39,026 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:39,230 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2021-01-06 11:31:39,231 INFO L625 ElimStorePlain]: treesize reduction 148, result has 39.1 percent of original size [2021-01-06 11:31:39,232 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:39,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:95 [2021-01-06 11:31:39,895 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 38 [2021-01-06 11:31:39,897 INFO L348 Elim1Store]: treesize reduction 430, result has 12.6 percent of original size [2021-01-06 11:31:39,897 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 99 treesize of output 98 [2021-01-06 11:31:39,900 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:39,965 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:39,967 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:39,967 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2021-01-06 11:31:40,391 INFO L348 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-01-06 11:31:40,392 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 106 treesize of output 108 [2021-01-06 11:31:40,395 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:40,477 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:40,488 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:40,488 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:109 [2021-01-06 11:31:41,448 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 80 [2021-01-06 11:31:41,449 INFO L348 Elim1Store]: treesize reduction 377, result has 30.4 percent of original size [2021-01-06 11:31:41,451 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 138 treesize of output 294 [2021-01-06 11:31:41,458 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:41,686 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2021-01-06 11:31:41,687 INFO L625 ElimStorePlain]: treesize reduction 308, result has 31.4 percent of original size [2021-01-06 11:31:41,689 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:41,689 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:141 [2021-01-06 11:31:43,104 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 119 [2021-01-06 11:31:43,106 INFO L348 Elim1Store]: treesize reduction 468, result has 38.7 percent of original size [2021-01-06 11:31:43,106 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 51 case distinctions, treesize of input 171 treesize of output 442 [2021-01-06 11:31:43,117 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:43,451 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 69 [2021-01-06 11:31:43,453 INFO L625 ElimStorePlain]: treesize reduction 549, result has 27.4 percent of original size [2021-01-06 11:31:43,454 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:43,455 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:178, output treesize:207 [2021-01-06 11:31:43,949 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 11:31:45,079 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 279 DAG size of output: 144 [2021-01-06 11:31:45,080 INFO L348 Elim1Store]: treesize reduction 513, result has 42.6 percent of original size [2021-01-06 11:31:45,081 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 55 case distinctions, treesize of input 238 treesize of output 540 [2021-01-06 11:31:45,093 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:45,540 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2021-01-06 11:31:45,541 INFO L625 ElimStorePlain]: treesize reduction 536, result has 31.0 percent of original size [2021-01-06 11:31:45,543 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:45,543 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-01-06 11:31:45,818 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-06 11:31:46,089 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 11:31:47,008 WARN L197 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 107 [2021-01-06 11:31:47,010 INFO L348 Elim1Store]: treesize reduction 488, result has 37.4 percent of original size [2021-01-06 11:31:47,010 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 220 treesize of output 442 [2021-01-06 11:31:47,020 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:47,409 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2021-01-06 11:31:47,410 INFO L625 ElimStorePlain]: treesize reduction 349, result has 33.4 percent of original size [2021-01-06 11:31:47,411 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:47,412 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:175 [2021-01-06 11:31:47,716 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 11:31:48,033 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-01-06 11:31:49,358 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 294 DAG size of output: 136 [2021-01-06 11:31:49,359 INFO L348 Elim1Store]: treesize reduction 542, result has 41.9 percent of original size [2021-01-06 11:31:49,360 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 1 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 57 case distinctions, treesize of input 206 treesize of output 540 [2021-01-06 11:31:49,378 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:49,748 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-01-06 11:31:49,749 INFO L625 ElimStorePlain]: treesize reduction 331, result has 32.6 percent of original size [2021-01-06 11:31:49,751 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:49,751 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:213, output treesize:160 [2021-01-06 11:31:50,085 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-01-06 11:31:50,408 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-01-06 11:31:51,856 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 326 DAG size of output: 125 [2021-01-06 11:31:51,858 INFO L348 Elim1Store]: treesize reduction 622, result has 37.6 percent of original size [2021-01-06 11:31:51,858 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 1 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 175 treesize of output 517 [2021-01-06 11:31:51,869 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:52,311 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 82 [2021-01-06 11:31:52,313 INFO L625 ElimStorePlain]: treesize reduction 431, result has 27.3 percent of original size [2021-01-06 11:31:52,315 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-06 11:31:52,315 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:182, output treesize:162 [2021-01-06 11:31:52,689 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:53,040 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-01-06 11:31:53,630 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 38 [2021-01-06 11:31:53,631 INFO L348 Elim1Store]: treesize reduction 759, result has 7.6 percent of original size [2021-01-06 11:31:53,631 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 1 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 175 treesize of output 192 [2021-01-06 11:31:53,637 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-06 11:31:53,783 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-01-06 11:31:53,784 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-06 11:31:53,787 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. [2021-01-06 11:31:53,787 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:179, output treesize:176 [2021-01-06 11:31:54,976 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:55,833 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:56,305 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:56,789 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:57,810 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-01-06 11:31:57,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:57,826 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:57,827 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2021-01-06 11:31:57,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 11:31:57,831 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2021-01-06 11:31:57,834 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2021-01-06 11:31:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:31:58,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420159000] [2021-01-06 11:31:58,280 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-01-06 11:31:58,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586566610] [2021-01-06 11:31:58,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:31:58,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2021-01-06 11:31:58,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549307924] [2021-01-06 11:31:58,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-01-06 11:31:58,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:31:58,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-01-06 11:31:58,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 11:31:58,282 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand 43 states. [2021-01-06 11:32:00,204 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-01-06 11:32:03,026 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78