/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-dcfa08f [2020-12-23 01:34:08,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:34:08,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:34:08,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:34:08,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:34:08,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:34:08,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:34:08,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:34:08,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:34:08,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:34:08,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:34:08,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:34:08,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:34:08,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:34:08,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:34:08,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:34:08,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:34:08,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:34:08,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:34:08,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:34:08,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:34:08,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:34:08,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:34:08,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:34:08,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:34:08,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:34:08,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:34:08,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:34:09,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:34:09,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:34:09,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:34:09,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:34:09,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:34:09,041 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:34:09,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:34:09,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:34:09,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:34:09,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:34:09,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:34:09,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:34:09,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:34:09,043 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:34:09,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:34:09,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:34:09,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:34:09,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:34:09,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:34:09,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:34:09,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:34:09,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:34:09,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:34:09,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:34:09,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:34:09,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:34:09,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:34:09,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:34:09,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:34:09,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:34:09,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:34:09,516 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:34:09,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/sqm-if.c [2020-12-23 01:34:09,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b9e2d23bc/984c8576e9f741cc91556695fc6d9863/FLAG4e05d683e [2020-12-23 01:34:10,305 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:34:10,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm-if.c [2020-12-23 01:34:10,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b9e2d23bc/984c8576e9f741cc91556695fc6d9863/FLAG4e05d683e [2020-12-23 01:34:10,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b9e2d23bc/984c8576e9f741cc91556695fc6d9863 [2020-12-23 01:34:10,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:34:10,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:34:10,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:34:10,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:34:10,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:34:10,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:10,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc0486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10, skipping insertion in model container [2020-12-23 01:34:10,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:10,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:34:10,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:34:10,897 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,] [2020-12-23 01:34:10,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:34:10,935 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:34:10,951 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,] [2020-12-23 01:34:10,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:34:10,981 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:34:10,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10 WrapperNode [2020-12-23 01:34:10,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:34:10,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:34:10,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:34:10,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:34:10,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:34:11,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:34:11,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:34:11,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:34:11,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... [2020-12-23 01:34:11,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:34:11,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:34:11,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:34:11,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:34:11,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:34:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:34:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:34:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 01:34:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 01:34:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:34:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:34:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 01:34:11,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:34:11,575 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-23 01:34:11,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:34:11 BoogieIcfgContainer [2020-12-23 01:34:11,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:34:11,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:34:11,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:34:11,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:34:11,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:34:10" (1/3) ... [2020-12-23 01:34:11,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:34:11, skipping insertion in model container [2020-12-23 01:34:11,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:34:10" (2/3) ... [2020-12-23 01:34:11,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:34:11, skipping insertion in model container [2020-12-23 01:34:11,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:34:11" (3/3) ... [2020-12-23 01:34:11,589 INFO L111 eAbstractionObserver]: Analyzing ICFG sqm-if.c [2020-12-23 01:34:11,596 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:34:11,601 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:34:11,624 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:34:11,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:34:11,656 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:34:11,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:34:11,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:34:11,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:34:11,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:34:11,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:34:11,657 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:34:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-12-23 01:34:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 01:34:11,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:11,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:11,683 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:11,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:11,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2020-12-23 01:34:11,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:11,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963236249] [2020-12-23 01:34:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:11,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963236249] [2020-12-23 01:34:11,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:34:11,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:34:11,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243655084] [2020-12-23 01:34:11,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 01:34:11,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:11,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 01:34:11,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:34:11,924 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-12-23 01:34:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:11,950 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2020-12-23 01:34:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 01:34:11,952 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-23 01:34:11,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:11,979 INFO L225 Difference]: With dead ends: 42 [2020-12-23 01:34:11,980 INFO L226 Difference]: Without dead ends: 19 [2020-12-23 01:34:11,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:34:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-23 01:34:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-23 01:34:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-23 01:34:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-12-23 01:34:12,036 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2020-12-23 01:34:12,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:12,037 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-12-23 01:34:12,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 01:34:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-12-23 01:34:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 01:34:12,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:12,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:12,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:34:12,042 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:12,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2020-12-23 01:34:12,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:12,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481028819] [2020-12-23 01:34:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:12,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481028819] [2020-12-23 01:34:12,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:34:12,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:34:12,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041392972] [2020-12-23 01:34:12,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:34:12,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:12,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:34:12,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:34:12,273 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 4 states. [2020-12-23 01:34:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:12,401 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2020-12-23 01:34:12,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:34:12,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-23 01:34:12,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:12,404 INFO L225 Difference]: With dead ends: 45 [2020-12-23 01:34:12,404 INFO L226 Difference]: Without dead ends: 31 [2020-12-23 01:34:12,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:34:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-23 01:34:12,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2020-12-23 01:34:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-23 01:34:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-12-23 01:34:12,413 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2020-12-23 01:34:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:12,413 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-12-23 01:34:12,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:34:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-12-23 01:34:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 01:34:12,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:12,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:34:12,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:34:12,415 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:12,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:12,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2020-12-23 01:34:12,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:12,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127053530] [2020-12-23 01:34:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:12,441 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:12,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903221694] [2020-12-23 01:34:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:12,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 01:34:12,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:12,803 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:12,805 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:12,810 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:12,812 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:12,812 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-23 01:34:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:12,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127053530] [2020-12-23 01:34:12,918 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:12,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903221694] [2020-12-23 01:34:12,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:12,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:34:12,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865355698] [2020-12-23 01:34:12,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:34:12,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:34:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:34:12,922 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 9 states. [2020-12-23 01:34:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:13,742 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2020-12-23 01:34:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:34:13,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-12-23 01:34:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:13,745 INFO L225 Difference]: With dead ends: 45 [2020-12-23 01:34:13,745 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 01:34:13,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:34:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 01:34:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2020-12-23 01:34:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-23 01:34:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-12-23 01:34:13,754 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 18 [2020-12-23 01:34:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:13,755 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-12-23 01:34:13,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:34:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-12-23 01:34:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 01:34:13,756 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:13,756 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] [2020-12-23 01:34:13,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:34:13,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:13,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:13,973 INFO L82 PathProgramCache]: Analyzing trace with hash -748772581, now seen corresponding path program 1 times [2020-12-23 01:34:13,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:13,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447974497] [2020-12-23 01:34:13,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:14,010 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:14,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912334470] [2020-12-23 01:34:14,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:14,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:34:14,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 01:34:14,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447974497] [2020-12-23 01:34:14,256 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:14,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912334470] [2020-12-23 01:34:14,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:14,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-12-23 01:34:14,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932979364] [2020-12-23 01:34:14,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 01:34:14,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:14,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 01:34:14,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:34:14,259 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 7 states. [2020-12-23 01:34:14,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:14,416 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2020-12-23 01:34:14,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 01:34:14,417 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-12-23 01:34:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:14,418 INFO L225 Difference]: With dead ends: 65 [2020-12-23 01:34:14,418 INFO L226 Difference]: Without dead ends: 41 [2020-12-23 01:34:14,419 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 [2020-12-23 01:34:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-23 01:34:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2020-12-23 01:34:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 01:34:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-12-23 01:34:14,425 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 22 [2020-12-23 01:34:14,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:14,426 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-12-23 01:34:14,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 01:34:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-12-23 01:34:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 01:34:14,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:14,427 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] [2020-12-23 01:34:14,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:14,643 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:14,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:14,644 INFO L82 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2020-12-23 01:34:14,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:14,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174766813] [2020-12-23 01:34:14,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:14,669 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:14,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192882271] [2020-12-23 01:34:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:14,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-23 01:34:14,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:14,772 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:34:14,776 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,783 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:14,784 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-23 01:34:14,806 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:14,807 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,816 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:14,817 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,817 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2020-12-23 01:34:14,879 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-23 01:34:14,880 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 [2020-12-23 01:34:14,882 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,894 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:14,897 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:32 [2020-12-23 01:34:14,970 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-23 01:34:14,970 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 [2020-12-23 01:34:14,973 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:14,989 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:14,989 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:34 [2020-12-23 01:34:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:15,123 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-23 01:34:15,123 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 [2020-12-23 01:34:15,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:15,141 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:15,155 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:15,156 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:46 [2020-12-23 01:34:15,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:34:15,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:34:15,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:34:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:15,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174766813] [2020-12-23 01:34:15,565 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:15,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192882271] [2020-12-23 01:34:15,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:15,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:34:15,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919500459] [2020-12-23 01:34:15,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:34:15,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:15,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:34:15,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:34:15,573 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 13 states. [2020-12-23 01:34:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:16,262 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2020-12-23 01:34:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 01:34:16,263 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-12-23 01:34:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:16,264 INFO L225 Difference]: With dead ends: 68 [2020-12-23 01:34:16,264 INFO L226 Difference]: Without dead ends: 46 [2020-12-23 01:34:16,265 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 [2020-12-23 01:34:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-23 01:34:16,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2020-12-23 01:34:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-23 01:34:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-12-23 01:34:16,273 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 28 [2020-12-23 01:34:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:16,274 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-12-23 01:34:16,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:34:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-12-23 01:34:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 01:34:16,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:16,275 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] [2020-12-23 01:34:16,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:16,489 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:16,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:16,490 INFO L82 PathProgramCache]: Analyzing trace with hash 877615566, now seen corresponding path program 2 times [2020-12-23 01:34:16,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:16,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299269399] [2020-12-23 01:34:16,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:16,520 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:16,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859382350] [2020-12-23 01:34:16,522 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 [2020-12-23 01:34:16,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:34:16,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:16,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:34:16,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 01:34:16,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299269399] [2020-12-23 01:34:16,716 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:16,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859382350] [2020-12-23 01:34:16,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:16,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 01:34:16,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145247027] [2020-12-23 01:34:16,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 01:34:16,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 01:34:16,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 01:34:16,718 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 9 states. [2020-12-23 01:34:16,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:16,905 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2020-12-23 01:34:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 01:34:16,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2020-12-23 01:34:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:16,907 INFO L225 Difference]: With dead ends: 89 [2020-12-23 01:34:16,907 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 01:34:16,908 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 [2020-12-23 01:34:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 01:34:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 39. [2020-12-23 01:34:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-23 01:34:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-12-23 01:34:16,916 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 32 [2020-12-23 01:34:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:16,916 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-12-23 01:34:16,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 01:34:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-12-23 01:34:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 01:34:16,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:16,918 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] [2020-12-23 01:34:17,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:17,132 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:17,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:17,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1129715953, now seen corresponding path program 3 times [2020-12-23 01:34:17,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:17,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385828765] [2020-12-23 01:34:17,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:17,153 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:17,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795566995] [2020-12-23 01:34:17,154 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 [2020-12-23 01:34:17,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-23 01:34:17,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:17,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 63 conjunts are in the unsatisfiable core [2020-12-23 01:34:17,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:17,269 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:34:17,270 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:17,277 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,277 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-23 01:34:17,294 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:17,295 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,303 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:17,304 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,304 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2020-12-23 01:34:17,365 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-12-23 01:34:17,366 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 [2020-12-23 01:34:17,372 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,403 INFO L625 ElimStorePlain]: treesize reduction 22, result has 67.6 percent of original size [2020-12-23 01:34:17,406 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,406 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:46 [2020-12-23 01:34:17,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,570 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:17,571 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 [2020-12-23 01:34:17,576 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:17,587 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 [2020-12-23 01:34:17,590 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:17,731 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-12-23 01:34:17,733 INFO L625 ElimStorePlain]: treesize reduction 58, result has 69.9 percent of original size [2020-12-23 01:34:17,737 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 01:34:17,739 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2020-12-23 01:34:17,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:17,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:34:18,007 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:34:18,345 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-23 01:34:18,367 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:34:18,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,412 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 [2020-12-23 01:34:18,414 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,478 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:18,479 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 [2020-12-23 01:34:18,483 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:18,506 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 [2020-12-23 01:34:18,516 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:18,749 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2020-12-23 01:34:18,750 INFO L625 ElimStorePlain]: treesize reduction 73, result has 73.1 percent of original size [2020-12-23 01:34:18,756 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 01:34:18,756 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:209, output treesize:198 [2020-12-23 01:34:18,939 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 01:34:19,148 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 01:34:19,172 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:34:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,205 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,206 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,246 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,252 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,278 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:19,279 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 [2020-12-23 01:34:19,284 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,296 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,300 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,318 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,324 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 [2020-12-23 01:34:19,327 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,337 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,340 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:19,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:19,343 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 [2020-12-23 01:34:19,346 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:19,639 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2020-12-23 01:34:19,640 INFO L625 ElimStorePlain]: treesize reduction 114, result has 72.1 percent of original size [2020-12-23 01:34:19,644 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-12-23 01:34:19,644 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:318, output treesize:295 [2020-12-23 01:34:19,891 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 01:34:20,164 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 01:34:20,388 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-12-23 01:34:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:20,461 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:20,465 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 [2020-12-23 01:34:20,471 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:20,580 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-12-23 01:34:20,581 INFO L625 ElimStorePlain]: treesize reduction 111, result has 55.4 percent of original size [2020-12-23 01:34:20,598 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:20,598 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:138 [2020-12-23 01:34:21,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:34:21,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:34:21,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:34:21,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:34:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:21,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385828765] [2020-12-23 01:34:21,740 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:21,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795566995] [2020-12-23 01:34:21,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:21,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-12-23 01:34:21,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746060779] [2020-12-23 01:34:21,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-23 01:34:21,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:21,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-23 01:34:21,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2020-12-23 01:34:21,743 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 24 states. [2020-12-23 01:34:22,576 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-12-23 01:34:22,854 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-12-23 01:34:23,065 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-12-23 01:34:23,581 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-12-23 01:34:23,873 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-12-23 01:34:24,272 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2020-12-23 01:34:24,590 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2020-12-23 01:34:24,794 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2020-12-23 01:34:25,014 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-12-23 01:34:25,348 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-12-23 01:34:25,661 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2020-12-23 01:34:25,959 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-12-23 01:34:26,232 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2020-12-23 01:34:28,559 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2020-12-23 01:34:28,833 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2020-12-23 01:34:29,220 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2020-12-23 01:34:29,900 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2020-12-23 01:34:30,271 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2020-12-23 01:34:30,662 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2020-12-23 01:34:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:30,713 INFO L93 Difference]: Finished difference Result 84 states and 95 transitions. [2020-12-23 01:34:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-23 01:34:30,715 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-12-23 01:34:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:30,715 INFO L225 Difference]: With dead ends: 84 [2020-12-23 01:34:30,716 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 01:34:30,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=398, Invalid=2052, Unknown=0, NotChecked=0, Total=2450 [2020-12-23 01:34:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 01:34:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2020-12-23 01:34:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 01:34:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-12-23 01:34:30,725 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 38 [2020-12-23 01:34:30,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:30,725 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-12-23 01:34:30,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-23 01:34:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-12-23 01:34:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 01:34:30,726 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:30,726 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] [2020-12-23 01:34:30,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 01:34:30,931 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:30,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:30,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1247413058, now seen corresponding path program 4 times [2020-12-23 01:34:30,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:30,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276121905] [2020-12-23 01:34:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:30,979 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:30,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99536160] [2020-12-23 01:34:30,982 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 [2020-12-23 01:34:31,042 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:34:31,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:31,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 01:34:31,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:34:31,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276121905] [2020-12-23 01:34:31,276 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:31,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99536160] [2020-12-23 01:34:31,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:31,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 01:34:31,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429875401] [2020-12-23 01:34:31,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 01:34:31,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:31,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 01:34:31,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-23 01:34:31,278 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 11 states. [2020-12-23 01:34:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:31,477 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2020-12-23 01:34:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:34:31,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-12-23 01:34:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:31,480 INFO L225 Difference]: With dead ends: 98 [2020-12-23 01:34:31,481 INFO L226 Difference]: Without dead ends: 63 [2020-12-23 01:34:31,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:34:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-23 01:34:31,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 45. [2020-12-23 01:34:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 01:34:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-12-23 01:34:31,491 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 41 [2020-12-23 01:34:31,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:31,491 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-12-23 01:34:31,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 01:34:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-12-23 01:34:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 01:34:31,492 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:31,492 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] [2020-12-23 01:34:31,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:31,707 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:31,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:31,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1596358930, now seen corresponding path program 5 times [2020-12-23 01:34:31,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:31,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759062001] [2020-12-23 01:34:31,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:31,742 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:31,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81682618] [2020-12-23 01:34:31,745 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 [2020-12-23 01:34:31,846 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2020-12-23 01:34:31,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:31,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 51 conjunts are in the unsatisfiable core [2020-12-23 01:34:31,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:31,861 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:34:31,862 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:31,868 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,869 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-23 01:34:31,883 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:31,884 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,891 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:31,892 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:34:31,924 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:31,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:31,926 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 [2020-12-23 01:34:31,928 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,939 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:31,940 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:31,940 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:47 [2020-12-23 01:34:31,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:31,993 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:31,996 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 [2020-12-23 01:34:31,998 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:32,015 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,015 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:64 [2020-12-23 01:34:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,108 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:32,109 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 [2020-12-23 01:34:32,112 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,159 INFO L625 ElimStorePlain]: treesize reduction 25, result has 75.5 percent of original size [2020-12-23 01:34:32,161 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:32,161 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:77 [2020-12-23 01:34:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,258 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:32,259 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 [2020-12-23 01:34:32,262 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,321 INFO L625 ElimStorePlain]: treesize reduction 25, result has 77.7 percent of original size [2020-12-23 01:34:32,323 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:32,323 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:87 [2020-12-23 01:34:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,501 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,502 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,514 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:32,515 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 [2020-12-23 01:34:32,518 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,599 INFO L625 ElimStorePlain]: treesize reduction 29, result has 79.7 percent of original size [2020-12-23 01:34:32,601 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:32,601 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:114 [2020-12-23 01:34:32,761 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,769 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,773 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,773 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:32,888 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-23 01:34:32,889 INFO L348 Elim1Store]: treesize reduction 24, result has 84.4 percent of original size [2020-12-23 01:34:32,890 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 [2020-12-23 01:34:32,900 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:32,990 INFO L625 ElimStorePlain]: treesize reduction 199, result has 33.0 percent of original size [2020-12-23 01:34:32,992 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:32,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:136, output treesize:98 [2020-12-23 01:34:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,166 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:33,178 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:33,261 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:33,262 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 [2020-12-23 01:34:33,270 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:34:33,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:34:33,271 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2020-12-23 01:34:33,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:34:33,272 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2020-12-23 01:34:33,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:33,280 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:33,346 INFO L625 ElimStorePlain]: treesize reduction 22, result has 81.5 percent of original size [2020-12-23 01:34:33,349 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:33,350 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:97 [2020-12-23 01:34:33,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:34:33,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:34:33,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:34:33,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:34:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:33,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759062001] [2020-12-23 01:34:33,821 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:33,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81682618] [2020-12-23 01:34:33,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:33,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-23 01:34:33,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333906417] [2020-12-23 01:34:33,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 01:34:33,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:33,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 01:34:33,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:34:33,823 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 21 states. [2020-12-23 01:34:35,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:35,678 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2020-12-23 01:34:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 01:34:35,679 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 44 [2020-12-23 01:34:35,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:35,680 INFO L225 Difference]: With dead ends: 97 [2020-12-23 01:34:35,680 INFO L226 Difference]: Without dead ends: 59 [2020-12-23 01:34:35,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:34:35,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-23 01:34:35,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2020-12-23 01:34:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-23 01:34:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2020-12-23 01:34:35,692 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 44 [2020-12-23 01:34:35,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:35,692 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2020-12-23 01:34:35,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 01:34:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-12-23 01:34:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 01:34:35,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:35,693 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] [2020-12-23 01:34:35,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:35,909 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:35,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:35,909 INFO L82 PathProgramCache]: Analyzing trace with hash -30396710, now seen corresponding path program 6 times [2020-12-23 01:34:35,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:35,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342084451] [2020-12-23 01:34:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:35,958 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:35,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849601497] [2020-12-23 01:34:35,959 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 [2020-12-23 01:34:36,121 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2020-12-23 01:34:36,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:36,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:34:36,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 32 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-23 01:34:36,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342084451] [2020-12-23 01:34:36,291 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:36,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849601497] [2020-12-23 01:34:36,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:36,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-12-23 01:34:36,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423931294] [2020-12-23 01:34:36,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:34:36,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:36,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:34:36,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:34:36,298 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 13 states. [2020-12-23 01:34:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:36,569 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2020-12-23 01:34:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 01:34:36,570 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2020-12-23 01:34:36,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:36,574 INFO L225 Difference]: With dead ends: 128 [2020-12-23 01:34:36,574 INFO L226 Difference]: Without dead ends: 71 [2020-12-23 01:34:36,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:34:36,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-23 01:34:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2020-12-23 01:34:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-23 01:34:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-12-23 01:34:36,601 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 52 [2020-12-23 01:34:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:36,602 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-12-23 01:34:36,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:34:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-12-23 01:34:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 01:34:36,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:36,605 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] [2020-12-23 01:34:36,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 01:34:36,820 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:36,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:36,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1463923901, now seen corresponding path program 7 times [2020-12-23 01:34:36,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:36,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994225432] [2020-12-23 01:34:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:36,868 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:36,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605194264] [2020-12-23 01:34:36,868 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 [2020-12-23 01:34:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:34:36,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-23 01:34:36,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:36,949 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:34:36,951 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:36,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:36,956 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:36,956 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-23 01:34:36,976 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:36,977 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:36,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:36,987 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:36,987 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2020-12-23 01:34:37,061 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-12-23 01:34:37,061 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 [2020-12-23 01:34:37,064 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,090 INFO L625 ElimStorePlain]: treesize reduction 31, result has 56.3 percent of original size [2020-12-23 01:34:37,091 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,091 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-12-23 01:34:37,204 INFO L348 Elim1Store]: treesize reduction 126, result has 31.5 percent of original size [2020-12-23 01:34:37,205 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 [2020-12-23 01:34:37,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,248 INFO L625 ElimStorePlain]: treesize reduction 31, result has 67.0 percent of original size [2020-12-23 01:34:37,249 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,249 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2020-12-23 01:34:37,437 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-12-23 01:34:37,438 INFO L348 Elim1Store]: treesize reduction 116, result has 52.5 percent of original size [2020-12-23 01:34:37,438 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 [2020-12-23 01:34:37,443 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,501 INFO L625 ElimStorePlain]: treesize reduction 97, result has 37.4 percent of original size [2020-12-23 01:34:37,502 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,502 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:58 [2020-12-23 01:34:37,623 INFO L348 Elim1Store]: treesize reduction 172, result has 16.9 percent of original size [2020-12-23 01:34:37,624 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 [2020-12-23 01:34:37,626 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:37,644 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,644 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2020-12-23 01:34:37,749 INFO L348 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2020-12-23 01:34:37,749 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 [2020-12-23 01:34:37,752 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,775 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:37,776 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:37,776 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:61 [2020-12-23 01:34:37,900 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:37,971 INFO L348 Elim1Store]: treesize reduction 112, result has 39.8 percent of original size [2020-12-23 01:34:37,972 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 [2020-12-23 01:34:37,976 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,073 INFO L625 ElimStorePlain]: treesize reduction 144, result has 44.0 percent of original size [2020-12-23 01:34:38,075 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,075 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:113 [2020-12-23 01:34:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,335 INFO L348 Elim1Store]: treesize reduction 90, result has 57.3 percent of original size [2020-12-23 01:34:38,336 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 [2020-12-23 01:34:38,344 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,439 INFO L625 ElimStorePlain]: treesize reduction 100, result has 62.3 percent of original size [2020-12-23 01:34:38,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,441 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:165 [2020-12-23 01:34:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:38,799 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-12-23 01:34:38,800 INFO L348 Elim1Store]: treesize reduction 126, result has 59.0 percent of original size [2020-12-23 01:34:38,800 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 [2020-12-23 01:34:38,814 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,944 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2020-12-23 01:34:38,945 INFO L625 ElimStorePlain]: treesize reduction 280, result has 42.5 percent of original size [2020-12-23 01:34:38,946 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:38,947 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:204, output treesize:207 [2020-12-23 01:34:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:39,202 INFO L348 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2020-12-23 01:34:39,202 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 [2020-12-23 01:34:39,206 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:39,250 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:39,253 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:34:39,254 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:187, output treesize:133 [2020-12-23 01:34:40,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:34:40,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:34:40,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:34:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:34:40,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994225432] [2020-12-23 01:34:40,331 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:40,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605194264] [2020-12-23 01:34:40,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:40,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-12-23 01:34:40,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166283749] [2020-12-23 01:34:40,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-23 01:34:40,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:40,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-23 01:34:40,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:34:40,335 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 28 states. [2020-12-23 01:34:41,328 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-12-23 01:34:41,918 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2020-12-23 01:34:42,134 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-12-23 01:34:42,379 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-12-23 01:34:42,673 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2020-12-23 01:34:42,910 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-23 01:34:43,161 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2020-12-23 01:34:43,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:43,177 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2020-12-23 01:34:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-23 01:34:43,179 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 58 [2020-12-23 01:34:43,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:43,180 INFO L225 Difference]: With dead ends: 72 [2020-12-23 01:34:43,180 INFO L226 Difference]: Without dead ends: 70 [2020-12-23 01:34:43,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=187, Invalid=1219, Unknown=0, NotChecked=0, Total=1406 [2020-12-23 01:34:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-23 01:34:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2020-12-23 01:34:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-23 01:34:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-12-23 01:34:43,193 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 58 [2020-12-23 01:34:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:43,193 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-12-23 01:34:43,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-12-23 01:34:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-12-23 01:34:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 01:34:43,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:43,195 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] [2020-12-23 01:34:43,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:43,408 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:43,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:43,409 INFO L82 PathProgramCache]: Analyzing trace with hash -895524173, now seen corresponding path program 8 times [2020-12-23 01:34:43,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:43,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110722443] [2020-12-23 01:34:43,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:43,440 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:43,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264824348] [2020-12-23 01:34:43,440 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 [2020-12-23 01:34:43,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:34:43,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:43,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:34:43,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 50 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 01:34:43,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110722443] [2020-12-23 01:34:43,718 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:34:43,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264824348] [2020-12-23 01:34:43,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:34:43,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-12-23 01:34:43,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891843868] [2020-12-23 01:34:43,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:34:43,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:34:43,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:34:43,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:34:43,720 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 15 states. [2020-12-23 01:34:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:34:44,037 INFO L93 Difference]: Finished difference Result 149 states and 155 transitions. [2020-12-23 01:34:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 01:34:44,038 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 62 [2020-12-23 01:34:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:34:44,038 INFO L225 Difference]: With dead ends: 149 [2020-12-23 01:34:44,039 INFO L226 Difference]: Without dead ends: 81 [2020-12-23 01:34:44,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:34:44,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-23 01:34:44,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2020-12-23 01:34:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-23 01:34:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2020-12-23 01:34:44,051 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 62 [2020-12-23 01:34:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:34:44,051 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2020-12-23 01:34:44,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:34:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-12-23 01:34:44,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 01:34:44,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:34:44,053 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] [2020-12-23 01:34:44,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:44,267 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:34:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:34:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1035707248, now seen corresponding path program 9 times [2020-12-23 01:34:44,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:34:44,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363151057] [2020-12-23 01:34:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:34:44,301 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:34:44,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104123092] [2020-12-23 01:34:44,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:34:44,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-23 01:34:44,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:34:44,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 86 conjunts are in the unsatisfiable core [2020-12-23 01:34:44,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:34:44,583 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:34:44,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,592 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,592 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:34:44,606 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:34:44,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,615 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,616 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,616 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:34:44,647 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,649 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 [2020-12-23 01:34:44,651 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,663 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,664 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,665 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:37 [2020-12-23 01:34:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,716 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,719 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 [2020-12-23 01:34:44,721 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,739 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,740 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,740 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:55 [2020-12-23 01:34:44,805 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,812 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 [2020-12-23 01:34:44,814 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,842 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,842 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:75 [2020-12-23 01:34:44,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:44,944 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 [2020-12-23 01:34:44,946 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,980 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:44,981 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:44,982 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2020-12-23 01:34:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,166 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,173 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 [2020-12-23 01:34:45,175 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,212 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:45,213 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,213 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:106 [2020-12-23 01:34:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,495 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 [2020-12-23 01:34:45,497 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,524 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:45,525 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,526 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:79 [2020-12-23 01:34:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,681 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 [2020-12-23 01:34:45,683 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,751 INFO L625 ElimStorePlain]: treesize reduction 4, result has 95.8 percent of original size [2020-12-23 01:34:45,754 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:45,754 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:92 [2020-12-23 01:34:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,871 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,126 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2020-12-23 01:34:47,127 INFO L348 Elim1Store]: treesize reduction 204, result has 74.1 percent of original size [2020-12-23 01:34:47,128 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 [2020-12-23 01:34:47,142 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:47,286 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-23 01:34:47,287 INFO L625 ElimStorePlain]: treesize reduction 230, result has 34.1 percent of original size [2020-12-23 01:34:47,289 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:34:47,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:128, output treesize:119 [2020-12-23 01:34:47,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:34:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,747 INFO L244 Elim1Store]: Index analysis took 204 ms [2020-12-23 01:34:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,775 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:47,780 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:47,781 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,771 WARN L197 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-12-23 01:34:48,771 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:48,772 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 [2020-12-23 01:34:48,801 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:48,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,825 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,850 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:48,855 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,856 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:48,884 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:48,885 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 [2020-12-23 01:34:48,889 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:49,298 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 78 [2020-12-23 01:34:49,299 INFO L625 ElimStorePlain]: treesize reduction 504, result has 36.6 percent of original size [2020-12-23 01:34:49,301 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 01:34:49,302 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:299, output treesize:291 [2020-12-23 01:34:49,578 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-23 01:34:49,892 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 01:34:49,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:34:49,906 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:34:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,026 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,104 INFO L244 Elim1Store]: Index analysis took 184 ms [2020-12-23 01:34:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,115 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,120 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,121 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,122 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,157 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:50,158 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 [2020-12-23 01:34:50,163 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,574 INFO L244 Elim1Store]: Index analysis took 403 ms [2020-12-23 01:34:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,617 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:50,622 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,623 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:50,627 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,115 WARN L197 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 313 [2020-12-23 01:34:52,116 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:52,116 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 [2020-12-23 01:34:52,157 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,195 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,208 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,217 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,218 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:52,246 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:52,247 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 [2020-12-23 01:34:52,252 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:53,001 WARN L197 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 98 [2020-12-23 01:34:53,002 INFO L625 ElimStorePlain]: treesize reduction 730, result has 41.2 percent of original size [2020-12-23 01:34:53,005 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:34:53,005 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:552, output treesize:511 [2020-12-23 01:34:53,388 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 01:34:53,798 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-12-23 01:34:54,243 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-23 01:34:54,254 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 15, 2, 1] term [2020-12-23 01:34:54,254 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:34:54,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:34:54,272 INFO L443 ElimStorePlain]: Different costs {144=[v_prenex_3], 162=[v_prenex_1], 242=[|v_#memory_int_51|]} [2020-12-23 01:34:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,319 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,336 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,337 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,342 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,344 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:54,425 INFO L348 Elim1Store]: treesize reduction 8, result has 88.6 percent of original size [2020-12-23 01:34:54,426 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 [2020-12-23 01:34:54,433 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:56,207 WARN L197 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2020-12-23 01:34:56,208 INFO L625 ElimStorePlain]: treesize reduction 161, result has 83.1 percent of original size [2020-12-23 01:34:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,247 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,273 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,281 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,283 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,290 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:56,296 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:56,381 INFO L348 Elim1Store]: treesize reduction 8, result has 88.6 percent of original size [2020-12-23 01:34:56,382 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 [2020-12-23 01:34:56,391 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:57,743 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2020-12-23 01:34:57,744 INFO L625 ElimStorePlain]: treesize reduction 173, result has 82.2 percent of original size [2020-12-23 01:34:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,781 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,800 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,006 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,039 INFO L244 Elim1Store]: Index analysis took 286 ms [2020-12-23 01:34:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,052 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,054 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,061 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,064 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,070 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,114 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:58,115 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 [2020-12-23 01:34:58,121 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:34:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,234 INFO L244 Elim1Store]: Index analysis took 102 ms [2020-12-23 01:34:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,258 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,271 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,289 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,295 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:34:58,304 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:34:59,783 WARN L197 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 299 [2020-12-23 01:34:59,784 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:34:59,785 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 [2020-12-23 01:34:59,838 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:35:00,751 WARN L197 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 142 [2020-12-23 01:35:00,752 INFO L625 ElimStorePlain]: treesize reduction 623, result has 55.8 percent of original size [2020-12-23 01:35:00,759 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. [2020-12-23 01:35:00,759 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:779, output treesize:788 [2020-12-23 01:35:01,207 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-12-23 01:35:01,230 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:35:01,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:35:01,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:35:05,841 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-12-23 01:35:05,855 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-23 01:35:07,895 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2020-12-23 01:35:08,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:35:08,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:35:08,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:35:08,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:35:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:35:08,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363151057] [2020-12-23 01:35:08,683 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:08,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104123092] [2020-12-23 01:35:08,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:08,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-12-23 01:35:08,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986383007] [2020-12-23 01:35:08,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-12-23 01:35:08,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:08,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-12-23 01:35:08,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1353, Unknown=2, NotChecked=0, Total=1482 [2020-12-23 01:35:08,685 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 39 states. [2020-12-23 01:35:14,414 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-12-23 01:35:18,676 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2020-12-23 01:35:25,100 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-12-23 01:35:29,577 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-12-23 01:35:36,282 WARN L197 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 71 [2020-12-23 01:35:40,784 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2020-12-23 01:35:43,562 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 101 [2020-12-23 01:35:44,074 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 79 [2020-12-23 01:35:44,684 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 85 [2020-12-23 01:35:45,694 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 128 [2020-12-23 01:35:47,061 WARN L197 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 126 [2020-12-23 01:35:47,388 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-12-23 01:35:50,777 WARN L197 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 131 [2020-12-23 01:35:51,149 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-12-23 01:35:51,621 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 112 [2020-12-23 01:35:52,321 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 121 [2020-12-23 01:35:53,201 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 117 [2020-12-23 01:35:54,071 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 119 [2020-12-23 01:35:54,837 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 87 [2020-12-23 01:35:56,106 WARN L197 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 130 [2020-12-23 01:35:56,996 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 135 [2020-12-23 01:35:57,317 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-12-23 01:35:57,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:57,330 INFO L93 Difference]: Finished difference Result 136 states and 140 transitions. [2020-12-23 01:35:57,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-23 01:35:57,331 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 68 [2020-12-23 01:35:57,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:57,333 INFO L225 Difference]: With dead ends: 136 [2020-12-23 01:35:57,333 INFO L226 Difference]: Without dead ends: 134 [2020-12-23 01:35:57,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 34.9s TimeCoverageRelationStatistics Valid=484, Invalid=3290, Unknown=8, NotChecked=0, Total=3782 [2020-12-23 01:35:57,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-23 01:35:57,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 97. [2020-12-23 01:35:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-12-23 01:35:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 101 transitions. [2020-12-23 01:35:57,367 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 101 transitions. Word has length 68 [2020-12-23 01:35:57,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:57,368 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 101 transitions. [2020-12-23 01:35:57,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-12-23 01:35:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2020-12-23 01:35:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 01:35:57,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:57,370 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] [2020-12-23 01:35:57,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:35:57,584 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:57,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:57,585 INFO L82 PathProgramCache]: Analyzing trace with hash 932725568, now seen corresponding path program 10 times [2020-12-23 01:35:57,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:57,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357374955] [2020-12-23 01:35:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:57,606 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:57,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870227553] [2020-12-23 01:35:57,607 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 [2020-12-23 01:35:57,670 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:35:57,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:57,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:35:57,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 51 proven. 70 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:35:58,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357374955] [2020-12-23 01:35:58,066 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:58,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870227553] [2020-12-23 01:35:58,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:58,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-12-23 01:35:58,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700584577] [2020-12-23 01:35:58,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-23 01:35:58,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:58,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-23 01:35:58,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:35:58,068 INFO L87 Difference]: Start difference. First operand 97 states and 101 transitions. Second operand 17 states. [2020-12-23 01:35:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:35:59,067 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-12-23 01:35:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 01:35:59,069 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-12-23 01:35:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:35:59,070 INFO L225 Difference]: With dead ends: 188 [2020-12-23 01:35:59,070 INFO L226 Difference]: Without dead ends: 163 [2020-12-23 01:35:59,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:35:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-12-23 01:35:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2020-12-23 01:35:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-23 01:35:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2020-12-23 01:35:59,094 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 71 [2020-12-23 01:35:59,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:35:59,094 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2020-12-23 01:35:59,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-23 01:35:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2020-12-23 01:35:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 01:35:59,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:35:59,096 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] [2020-12-23 01:35:59,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 01:35:59,310 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:35:59,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:35:59,311 INFO L82 PathProgramCache]: Analyzing trace with hash -263405594, now seen corresponding path program 11 times [2020-12-23 01:35:59,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:35:59,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631670315] [2020-12-23 01:35:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:35:59,353 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:35:59,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070300327] [2020-12-23 01:35:59,354 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 [2020-12-23 01:35:59,650 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-12-23 01:35:59,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:35:59,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:35:59,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:35:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 83 proven. 40 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-23 01:35:59,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631670315] [2020-12-23 01:35:59,962 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:35:59,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070300327] [2020-12-23 01:35:59,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:35:59,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-12-23 01:35:59,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32369347] [2020-12-23 01:35:59,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-23 01:35:59,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:35:59,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-23 01:35:59,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-12-23 01:35:59,964 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 17 states. [2020-12-23 01:36:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:00,632 INFO L93 Difference]: Finished difference Result 171 states and 176 transitions. [2020-12-23 01:36:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 01:36:00,633 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 72 [2020-12-23 01:36:00,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:00,636 INFO L225 Difference]: With dead ends: 171 [2020-12-23 01:36:00,636 INFO L226 Difference]: Without dead ends: 93 [2020-12-23 01:36:00,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:36:00,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-23 01:36:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 75. [2020-12-23 01:36:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-23 01:36:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2020-12-23 01:36:00,649 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 72 [2020-12-23 01:36:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:00,650 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2020-12-23 01:36:00,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-23 01:36:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-12-23 01:36:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 01:36:00,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:00,651 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] [2020-12-23 01:36:00,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 01:36:00,866 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:00,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:00,867 INFO L82 PathProgramCache]: Analyzing trace with hash -512038509, now seen corresponding path program 12 times [2020-12-23 01:36:00,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:00,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161719403] [2020-12-23 01:36:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:00,894 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:00,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022312060] [2020-12-23 01:36:00,895 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 [2020-12-23 01:36:01,699 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-12-23 01:36:01,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:36:01,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 81 conjunts are in the unsatisfiable core [2020-12-23 01:36:01,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:01,720 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:36:01,722 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,730 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,731 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:36:01,751 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:36:01,752 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,763 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,763 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:36:01,815 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,818 INFO 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 [2020-12-23 01:36:01,820 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,843 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,844 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,845 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:47 [2020-12-23 01:36:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,931 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:01,935 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 [2020-12-23 01:36:01,936 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:01,969 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:01,970 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:66 [2020-12-23 01:36:02,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,122 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 [2020-12-23 01:36:02,125 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,175 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,176 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,177 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:67 [2020-12-23 01:36:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,422 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,433 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 [2020-12-23 01:36:02,435 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,472 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,473 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,474 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:65 [2020-12-23 01:36:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,656 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 [2020-12-23 01:36:02,659 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:02,701 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:02,701 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:89 [2020-12-23 01:36:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,978 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:02,987 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 [2020-12-23 01:36:02,989 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,031 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:03,032 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,033 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:105 [2020-12-23 01:36:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,469 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 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 [2020-12-23 01:36:03,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,524 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:03,526 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,526 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:88 [2020-12-23 01:36:03,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,792 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,797 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:03,812 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 [2020-12-23 01:36:03,815 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,926 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-23 01:36:03,927 INFO L625 ElimStorePlain]: treesize reduction 4, result has 96.7 percent of original size [2020-12-23 01:36:03,929 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:03,929 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:116 [2020-12-23 01:36:04,220 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,254 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,257 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,262 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,361 INFO L348 Elim1Store]: treesize reduction 24, result has 68.8 percent of original size [2020-12-23 01:36:04,361 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 [2020-12-23 01:36:04,371 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,518 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-12-23 01:36:04,519 INFO L625 ElimStorePlain]: treesize reduction 109, result has 53.0 percent of original size [2020-12-23 01:36:04,520 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:04,520 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:123 [2020-12-23 01:36:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,801 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,817 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,818 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,820 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,835 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:04,944 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-12-23 01:36:04,945 INFO L348 Elim1Store]: treesize reduction 24, result has 71.8 percent of original size [2020-12-23 01:36:04,946 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 [2020-12-23 01:36:04,952 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,093 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-12-23 01:36:05,094 INFO L625 ElimStorePlain]: treesize reduction 31, result has 82.4 percent of original size [2020-12-23 01:36:05,096 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,096 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:157, output treesize:145 [2020-12-23 01:36:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,420 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,427 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,440 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,447 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,503 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:05,503 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 [2020-12-23 01:36:05,508 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,683 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2020-12-23 01:36:05,684 INFO L625 ElimStorePlain]: treesize reduction 107, result has 60.4 percent of original size [2020-12-23 01:36:05,686 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:05,686 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:163 [2020-12-23 01:36:05,881 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,897 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,906 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,914 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:05,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:09,554 WARN L197 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 264 DAG size of output: 207 [2020-12-23 01:36:09,555 INFO L348 Elim1Store]: treesize reduction 268, result has 76.1 percent of original size [2020-12-23 01:36:09,555 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 [2020-12-23 01:36:09,573 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:09,872 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2020-12-23 01:36:09,873 INFO L625 ElimStorePlain]: treesize reduction 349, result has 30.8 percent of original size [2020-12-23 01:36:09,875 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:09,875 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:199, output treesize:155 [2020-12-23 01:36:10,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:36:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,102 INFO L244 Elim1Store]: Index analysis took 539 ms [2020-12-23 01:36:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,130 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:11,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,136 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,150 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:11,156 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:11,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,163 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:11,171 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,795 WARN L197 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 320 [2020-12-23 01:36:13,796 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:13,796 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 [2020-12-23 01:36:13,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:13,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,870 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,890 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,917 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,927 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,932 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,938 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,941 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:13,947 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:14,021 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:14,022 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 [2020-12-23 01:36:14,029 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:14,794 WARN L197 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 82 [2020-12-23 01:36:14,795 INFO L625 ElimStorePlain]: treesize reduction 676, result has 34.0 percent of original size [2020-12-23 01:36:14,798 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. [2020-12-23 01:36:14,799 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:343, output treesize:349 [2020-12-23 01:36:15,136 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-23 01:36:15,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:36:15,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:36:15,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:36:15,630 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 01:36:15,641 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:36:17,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:36:17,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:36:17,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 01:36:17,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:36:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:36:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161719403] [2020-12-23 01:36:17,611 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:17,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022312060] [2020-12-23 01:36:17,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:17,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-12-23 01:36:17,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769134896] [2020-12-23 01:36:17,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-12-23 01:36:17,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-12-23 01:36:17,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 01:36:17,613 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 43 states. [2020-12-23 01:36:20,192 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 100 [2020-12-23 01:36:20,656 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 69 [2020-12-23 01:36:21,108 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 103 [2020-12-23 01:36:21,635 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 81 [2020-12-23 01:36:22,292 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 109 [2020-12-23 01:36:22,995 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 117 [2020-12-23 01:36:23,711 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 116 [2020-12-23 01:36:24,213 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 108 [2020-12-23 01:36:25,755 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2020-12-23 01:36:26,280 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2020-12-23 01:36:26,921 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 114 [2020-12-23 01:36:27,569 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 126 [2020-12-23 01:36:28,298 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 121 [2020-12-23 01:36:29,082 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 122 [2020-12-23 01:36:29,718 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 125 [2020-12-23 01:36:30,480 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 111 [2020-12-23 01:36:31,390 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2020-12-23 01:36:31,984 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 108 [2020-12-23 01:36:32,328 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-12-23 01:36:32,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:32,338 INFO L93 Difference]: Finished difference Result 149 states and 154 transitions. [2020-12-23 01:36:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-12-23 01:36:32,340 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 74 [2020-12-23 01:36:32,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:32,342 INFO L225 Difference]: With dead ends: 149 [2020-12-23 01:36:32,342 INFO L226 Difference]: Without dead ends: 147 [2020-12-23 01:36:32,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=473, Invalid=3433, Unknown=0, NotChecked=0, Total=3906 [2020-12-23 01:36:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-12-23 01:36:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 110. [2020-12-23 01:36:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-23 01:36:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2020-12-23 01:36:32,363 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 74 [2020-12-23 01:36:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:32,364 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2020-12-23 01:36:32,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-12-23 01:36:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2020-12-23 01:36:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 01:36:32,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:32,364 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] [2020-12-23 01:36:32,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:36:32,565 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:32,566 INFO L82 PathProgramCache]: Analyzing trace with hash 3435875, now seen corresponding path program 13 times [2020-12-23 01:36:32,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:32,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770437647] [2020-12-23 01:36:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:32,583 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:32,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [648674047] [2020-12-23 01:36:32,584 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 [2020-12-23 01:36:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:36:32,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 01:36:32,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 70 proven. 92 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:36:33,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770437647] [2020-12-23 01:36:33,129 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:33,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648674047] [2020-12-23 01:36:33,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:33,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 01:36:33,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112566937] [2020-12-23 01:36:33,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:36:33,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:33,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:36:33,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:36:33,131 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 19 states. [2020-12-23 01:36:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:36:34,195 INFO L93 Difference]: Finished difference Result 211 states and 217 transitions. [2020-12-23 01:36:34,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 01:36:34,196 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2020-12-23 01:36:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:36:34,197 INFO L225 Difference]: With dead ends: 211 [2020-12-23 01:36:34,198 INFO L226 Difference]: Without dead ends: 186 [2020-12-23 01:36:34,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:36:34,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-12-23 01:36:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 113. [2020-12-23 01:36:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-23 01:36:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2020-12-23 01:36:34,224 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 77 [2020-12-23 01:36:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:36:34,224 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2020-12-23 01:36:34,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:36:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2020-12-23 01:36:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 01:36:34,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:36:34,226 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] [2020-12-23 01:36:34,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 01:36:34,439 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:36:34,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:36:34,440 INFO L82 PathProgramCache]: Analyzing trace with hash 377907344, now seen corresponding path program 14 times [2020-12-23 01:36:34,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:36:34,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804882005] [2020-12-23 01:36:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:36:34,458 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:36:34,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982944197] [2020-12-23 01:36:34,458 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 [2020-12-23 01:36:34,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:36:34,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:36:34,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 79 conjunts are in the unsatisfiable core [2020-12-23 01:36:34,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:36:34,557 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:36:34,559 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:34,573 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:36:34,601 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:36:34,602 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:34,624 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:36:34,690 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:34,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,695 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 [2020-12-23 01:36:34,697 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,725 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:34,727 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,727 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:48 [2020-12-23 01:36:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,821 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,826 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 [2020-12-23 01:36:34,828 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:34,859 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:34,860 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:64 [2020-12-23 01:36:34,979 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:34,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:34,992 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 [2020-12-23 01:36:34,993 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,043 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:35,044 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:86 [2020-12-23 01:36:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,205 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,216 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 [2020-12-23 01:36:35,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:35,277 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,278 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:102 [2020-12-23 01:36:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,493 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 [2020-12-23 01:36:35,496 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,549 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:35,550 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2020-12-23 01:36:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:35,822 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:35,823 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 [2020-12-23 01:36:35,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,959 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-23 01:36:35,960 INFO L625 ElimStorePlain]: treesize reduction 18, result has 83.0 percent of original size [2020-12-23 01:36:35,962 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:36:35,962 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:88 [2020-12-23 01:36:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,362 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:36,363 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 [2020-12-23 01:36:36,366 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:36,545 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-12-23 01:36:36,547 INFO L625 ElimStorePlain]: treesize reduction 58, result has 66.5 percent of original size [2020-12-23 01:36:36,550 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:36,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:119, output treesize:115 [2020-12-23 01:36:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,059 INFO L244 Elim1Store]: Index analysis took 103 ms [2020-12-23 01:36:37,087 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:37,088 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 [2020-12-23 01:36:37,093 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:37,303 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2020-12-23 01:36:37,305 INFO L625 ElimStorePlain]: treesize reduction 49, result has 71.8 percent of original size [2020-12-23 01:36:37,308 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:37,309 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:125 [2020-12-23 01:36:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,735 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,744 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:37,798 INFO L244 Elim1Store]: Index analysis took 107 ms [2020-12-23 01:36:37,826 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:37,827 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 [2020-12-23 01:36:37,832 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:38,063 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2020-12-23 01:36:38,067 INFO L625 ElimStorePlain]: treesize reduction 62, result has 73.6 percent of original size [2020-12-23 01:36:38,070 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:38,070 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:173 [2020-12-23 01:36:38,505 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,567 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,573 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,582 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:38,766 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-23 01:36:38,767 INFO L348 Elim1Store]: treesize reduction 8, result has 91.1 percent of original size [2020-12-23 01:36:38,768 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 [2020-12-23 01:36:38,775 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:39,041 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2020-12-23 01:36:39,042 INFO L625 ElimStorePlain]: treesize reduction 162, result has 58.1 percent of original size [2020-12-23 01:36:39,044 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:39,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:211, output treesize:225 [2020-12-23 01:36:39,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,567 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,590 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,604 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,647 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,652 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,655 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:39,870 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-23 01:36:39,871 INFO L348 Elim1Store]: treesize reduction 16, result has 85.3 percent of original size [2020-12-23 01:36:39,872 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 [2020-12-23 01:36:39,879 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:40,270 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2020-12-23 01:36:40,271 INFO L625 ElimStorePlain]: treesize reduction 198, result has 54.1 percent of original size [2020-12-23 01:36:40,274 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:40,274 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:264, output treesize:233 [2020-12-23 01:36:40,534 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 01:36:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,844 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,851 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,896 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,936 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,942 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,946 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:40,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:41,180 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-12-23 01:36:41,181 INFO L348 Elim1Store]: treesize reduction 24, result has 80.8 percent of original size [2020-12-23 01:36:41,182 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 [2020-12-23 01:36:41,194 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:41,541 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2020-12-23 01:36:41,542 INFO L625 ElimStorePlain]: treesize reduction 196, result has 53.9 percent of original size [2020-12-23 01:36:41,544 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:41,545 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:230, output treesize:229 [2020-12-23 01:36:41,839 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-23 01:36:42,141 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-23 01:36:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,210 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,211 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,262 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,294 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,301 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,328 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:42,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:42,682 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-12-23 01:36:42,683 INFO L348 Elim1Store]: treesize reduction 16, result has 91.4 percent of original size [2020-12-23 01:36:42,684 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 [2020-12-23 01:36:42,696 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:43,049 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2020-12-23 01:36:43,050 INFO L625 ElimStorePlain]: treesize reduction 213, result has 54.0 percent of original size [2020-12-23 01:36:43,052 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:43,053 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:266, output treesize:250 [2020-12-23 01:36:43,375 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-23 01:36:43,709 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:36:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,781 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,846 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,894 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,904 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,934 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,948 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,954 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,963 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:44,683 WARN L197 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2020-12-23 01:36:44,685 INFO L348 Elim1Store]: treesize reduction 24, result has 92.9 percent of original size [2020-12-23 01:36:44,686 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 [2020-12-23 01:36:44,699 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:36:44,699 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:44,700 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:36:44,700 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:36:44,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-12-23 01:36:44,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:36:44,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 2, 1] term [2020-12-23 01:36:44,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:36:44,702 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2020-12-23 01:36:44,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:36:44,714 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:45,625 WARN L197 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 95 [2020-12-23 01:36:45,626 INFO L625 ElimStorePlain]: treesize reduction 823, result has 25.9 percent of original size [2020-12-23 01:36:45,630 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:36:45,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:287, output treesize:288 [2020-12-23 01:36:46,017 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:36:46,364 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-23 01:36:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,483 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,542 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,563 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,588 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,597 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,624 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:36:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:36:47,506 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-12-23 01:36:47,507 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:36:47,508 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 [2020-12-23 01:36:47,526 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 2, 1] term [2020-12-23 01:36:47,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:36:47,527 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 2, 1] term [2020-12-23 01:36:47,527 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:36:47,528 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 01:36:47,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,528 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-12-23 01:36:47,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:36:47,529 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:36:47,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:36:47,530 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:36:47,530 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:36:47,531 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:36:47,531 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:36:47,536 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:36:47,538 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:36:47,541 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,541 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:36:47,543 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:36:47,544 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:36:47,545 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 7, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,546 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,547 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:36:47,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,548 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:36:47,548 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:36:47,549 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 1] term [2020-12-23 01:36:47,549 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-23 01:36:47,549 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 1] term [2020-12-23 01:36:47,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 01:36:47,550 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-23 01:36:47,550 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:36:47,558 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 5, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,559 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:36:47,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,560 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 4, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,561 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 3, 3, 2, 4, 1] term [2020-12-23 01:36:47,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,561 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 3, 1] term [2020-12-23 01:36:47,561 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-12-23 01:36:47,562 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 3, 1] term [2020-12-23 01:36:47,562 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-12-23 01:36:47,562 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:36:47,562 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-23 01:36:47,563 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 1] term [2020-12-23 01:36:47,563 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-23 01:36:47,565 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:36:47,565 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,566 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 1] term [2020-12-23 01:36:47,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:36:47,598 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:36:48,045 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 91 [2020-12-23 01:36:48,046 INFO L625 ElimStorePlain]: treesize reduction 266, result has 45.9 percent of original size [2020-12-23 01:36:48,052 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. [2020-12-23 01:36:48,053 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:264, output treesize:226 [2020-12-23 01:36:52,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:36:52,280 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:36:52,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:36:52,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-23 01:36:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:36:52,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804882005] [2020-12-23 01:36:52,646 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:36:52,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982944197] [2020-12-23 01:36:52,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:36:52,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-12-23 01:36:52,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297396612] [2020-12-23 01:36:52,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-12-23 01:36:52,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:36:52,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-12-23 01:36:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1498, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 01:36:52,649 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand 41 states. [2020-12-23 01:36:54,859 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-12-23 01:36:58,843 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2020-12-23 01:36:59,796 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-12-23 01:37:00,703 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2020-12-23 01:37:03,521 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-12-23 01:37:05,144 WARN L197 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 140 [2020-12-23 01:37:06,916 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 141 [2020-12-23 01:37:09,080 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2020-12-23 01:37:10,308 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2020-12-23 01:37:11,689 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 137 [2020-12-23 01:37:15,306 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-23 01:37:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:37:15,605 INFO L93 Difference]: Finished difference Result 152 states and 157 transitions. [2020-12-23 01:37:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-12-23 01:37:15,609 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2020-12-23 01:37:15,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:37:15,611 INFO L225 Difference]: With dead ends: 152 [2020-12-23 01:37:15,611 INFO L226 Difference]: Without dead ends: 150 [2020-12-23 01:37:15,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=244, Invalid=2512, Unknown=0, NotChecked=0, Total=2756 [2020-12-23 01:37:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-12-23 01:37:15,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 92. [2020-12-23 01:37:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-23 01:37:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2020-12-23 01:37:15,643 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 80 [2020-12-23 01:37:15,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:37:15,643 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2020-12-23 01:37:15,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-12-23 01:37:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2020-12-23 01:37:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 01:37:15,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:37:15,644 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] [2020-12-23 01:37:15,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 01:37:15,852 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:37:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:37:15,853 INFO L82 PathProgramCache]: Analyzing trace with hash -203217793, now seen corresponding path program 15 times [2020-12-23 01:37:15,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:37:15,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433804795] [2020-12-23 01:37:15,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:37:15,867 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:37:15,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859709286] [2020-12-23 01:37:15,868 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 [2020-12-23 01:37:16,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2020-12-23 01:37:16,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:37:16,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-23 01:37:16,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:37:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 98 proven. 70 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-23 01:37:16,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433804795] [2020-12-23 01:37:16,855 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:37:16,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859709286] [2020-12-23 01:37:16,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:37:16,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 01:37:16,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340286693] [2020-12-23 01:37:16,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:37:16,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:37:16,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:37:16,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:37:16,858 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand 19 states. [2020-12-23 01:37:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:37:17,817 INFO L93 Difference]: Finished difference Result 190 states and 195 transitions. [2020-12-23 01:37:17,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 01:37:17,821 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2020-12-23 01:37:17,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:37:17,821 INFO L225 Difference]: With dead ends: 190 [2020-12-23 01:37:17,822 INFO L226 Difference]: Without dead ends: 101 [2020-12-23 01:37:17,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:37:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-23 01:37:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2020-12-23 01:37:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-23 01:37:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2020-12-23 01:37:17,841 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 82 [2020-12-23 01:37:17,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:37:17,841 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2020-12-23 01:37:17,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:37:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2020-12-23 01:37:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 01:37:17,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:37:17,842 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] [2020-12-23 01:37:18,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:37:18,056 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:37:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:37:18,057 INFO L82 PathProgramCache]: Analyzing trace with hash 607278716, now seen corresponding path program 16 times [2020-12-23 01:37:18,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:37:18,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484043791] [2020-12-23 01:37:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:37:18,077 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:37:18,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2539583] [2020-12-23 01:37:18,077 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 [2020-12-23 01:37:18,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:37:18,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:37:18,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 78 conjunts are in the unsatisfiable core [2020-12-23 01:37:18,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:37:18,195 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:37:18,198 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:18,212 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,212 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2020-12-23 01:37:18,238 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:37:18,240 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,255 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:18,257 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,257 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2020-12-23 01:37:18,461 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2020-12-23 01:37:18,462 INFO L348 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-12-23 01:37:18,463 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 [2020-12-23 01:37:18,466 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,544 INFO L625 ElimStorePlain]: treesize reduction 28, result has 56.9 percent of original size [2020-12-23 01:37:18,546 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:18,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2020-12-23 01:37:18,870 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-12-23 01:37:18,872 INFO L348 Elim1Store]: treesize reduction 126, result has 31.5 percent of original size [2020-12-23 01:37:18,873 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 [2020-12-23 01:37:18,879 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:19,003 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-12-23 01:37:19,004 INFO L625 ElimStorePlain]: treesize reduction 28, result has 67.8 percent of original size [2020-12-23 01:37:19,006 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:19,006 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:59 [2020-12-23 01:37:19,437 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2020-12-23 01:37:19,438 INFO L348 Elim1Store]: treesize reduction 216, result has 24.5 percent of original size [2020-12-23 01:37:19,439 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 [2020-12-23 01:37:19,442 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:19,567 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2020-12-23 01:37:19,569 INFO L625 ElimStorePlain]: treesize reduction 28, result has 74.3 percent of original size [2020-12-23 01:37:19,571 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:19,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:81 [2020-12-23 01:37:20,084 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 39 [2020-12-23 01:37:20,085 INFO L348 Elim1Store]: treesize reduction 324, result has 20.2 percent of original size [2020-12-23 01:37:20,086 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 [2020-12-23 01:37:20,089 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:20,261 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-23 01:37:20,262 INFO L625 ElimStorePlain]: treesize reduction 31, result has 77.4 percent of original size [2020-12-23 01:37:20,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:20,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:106 [2020-12-23 01:37:21,278 WARN L197 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2020-12-23 01:37:21,280 INFO L348 Elim1Store]: treesize reduction 226, result has 48.2 percent of original size [2020-12-23 01:37:21,281 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 [2020-12-23 01:37:21,287 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:21,549 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-12-23 01:37:21,550 INFO L625 ElimStorePlain]: treesize reduction 163, result has 30.9 percent of original size [2020-12-23 01:37:21,552 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:21,553 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:101, output treesize:73 [2020-12-23 01:37:22,647 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2020-12-23 01:37:22,649 INFO L348 Elim1Store]: treesize reduction 358, result has 38.3 percent of original size [2020-12-23 01:37:22,649 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 [2020-12-23 01:37:22,656 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:22,918 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-12-23 01:37:22,919 INFO L625 ElimStorePlain]: treesize reduction 148, result has 39.1 percent of original size [2020-12-23 01:37:22,920 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:22,921 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:95 [2020-12-23 01:37:23,686 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 38 [2020-12-23 01:37:23,688 INFO L348 Elim1Store]: treesize reduction 430, result has 12.6 percent of original size [2020-12-23 01:37:23,688 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 [2020-12-23 01:37:23,692 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:23,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:23,781 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:23,781 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2020-12-23 01:37:24,086 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-23 01:37:24,367 INFO L348 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2020-12-23 01:37:24,368 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 [2020-12-23 01:37:24,378 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:24,468 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:24,470 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:24,470 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:109 [2020-12-23 01:37:25,616 WARN L197 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 80 [2020-12-23 01:37:25,618 INFO L348 Elim1Store]: treesize reduction 377, result has 30.4 percent of original size [2020-12-23 01:37:25,620 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 [2020-12-23 01:37:25,628 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:25,914 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-12-23 01:37:25,916 INFO L625 ElimStorePlain]: treesize reduction 308, result has 31.4 percent of original size [2020-12-23 01:37:25,918 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:25,918 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:141 [2020-12-23 01:37:26,270 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 01:37:26,635 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-23 01:37:27,783 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 257 DAG size of output: 119 [2020-12-23 01:37:27,785 INFO L348 Elim1Store]: treesize reduction 468, result has 38.7 percent of original size [2020-12-23 01:37:27,786 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 [2020-12-23 01:37:27,805 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:28,282 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 69 [2020-12-23 01:37:28,283 INFO L625 ElimStorePlain]: treesize reduction 549, result has 27.4 percent of original size [2020-12-23 01:37:28,285 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:28,285 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:178, output treesize:207 [2020-12-23 01:37:28,647 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 01:37:29,056 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-23 01:37:30,548 WARN L197 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 279 DAG size of output: 144 [2020-12-23 01:37:30,550 INFO L348 Elim1Store]: treesize reduction 513, result has 42.6 percent of original size [2020-12-23 01:37:30,551 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 [2020-12-23 01:37:30,567 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:31,107 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-12-23 01:37:31,109 INFO L625 ElimStorePlain]: treesize reduction 536, result has 31.0 percent of original size [2020-12-23 01:37:31,112 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:31,112 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2020-12-23 01:37:31,484 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 01:37:31,873 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-23 01:37:33,224 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 264 DAG size of output: 107 [2020-12-23 01:37:33,225 INFO L348 Elim1Store]: treesize reduction 488, result has 37.4 percent of original size [2020-12-23 01:37:33,225 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 [2020-12-23 01:37:33,237 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:33,656 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 74 [2020-12-23 01:37:33,657 INFO L625 ElimStorePlain]: treesize reduction 349, result has 33.4 percent of original size [2020-12-23 01:37:33,660 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:33,661 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:175 [2020-12-23 01:37:34,043 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 01:37:34,467 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 01:37:35,882 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 294 DAG size of output: 136 [2020-12-23 01:37:35,883 INFO L348 Elim1Store]: treesize reduction 542, result has 41.9 percent of original size [2020-12-23 01:37:35,884 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 [2020-12-23 01:37:35,899 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:36,289 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2020-12-23 01:37:36,290 INFO L625 ElimStorePlain]: treesize reduction 331, result has 32.6 percent of original size [2020-12-23 01:37:36,292 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:36,293 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:213, output treesize:160 [2020-12-23 01:37:36,668 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:37:37,038 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 01:37:38,585 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 326 DAG size of output: 125 [2020-12-23 01:37:38,586 INFO L348 Elim1Store]: treesize reduction 622, result has 37.6 percent of original size [2020-12-23 01:37:38,587 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 [2020-12-23 01:37:38,599 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:39,090 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 82 [2020-12-23 01:37:39,092 INFO L625 ElimStorePlain]: treesize reduction 431, result has 27.3 percent of original size [2020-12-23 01:37:39,094 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:37:39,094 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:182, output treesize:162 [2020-12-23 01:37:39,579 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:39,993 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-23 01:37:40,592 WARN L197 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 38 [2020-12-23 01:37:40,593 INFO L348 Elim1Store]: treesize reduction 759, result has 7.6 percent of original size [2020-12-23 01:37:40,594 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 [2020-12-23 01:37:40,599 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:37:40,774 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 01:37:40,775 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:37:40,779 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:37:40,779 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:179, output treesize:176 [2020-12-23 01:37:41,268 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 01:37:41,747 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 01:37:42,258 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:42,758 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:43,301 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:43,848 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:44,488 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:45,089 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 01:37:45,703 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:37:45,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:37:45,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:37:45,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:37:45,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:37:45,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:37:45,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:37:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:37:46,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484043791] [2020-12-23 01:37:46,248 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:37:46,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2539583] [2020-12-23 01:37:46,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:37:46,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-12-23 01:37:46,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663409520] [2020-12-23 01:37:46,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-12-23 01:37:46,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:37:46,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-12-23 01:37:46,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 01:37:46,250 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand 43 states. [2020-12-23 01:37:48,248 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-23 01:37:51,482 WARN L197 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-12-23 01:37:52,172 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-12-23 01:37:53,060 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2020-12-23 01:37:54,404 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-12-23 01:37:55,297 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2020-12-23 01:37:56,135 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2020-12-23 01:37:57,042 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2020-12-23 01:37:58,000 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2020-12-23 01:37:58,953 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2020-12-23 01:37:59,981 WARN L197 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-12-23 01:38:00,933 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2020-12-23 01:38:01,906 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-12-23 01:38:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:01,947 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2020-12-23 01:38:01,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-12-23 01:38:01,952 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 88 [2020-12-23 01:38:01,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:01,953 INFO L225 Difference]: With dead ends: 102 [2020-12-23 01:38:01,953 INFO L226 Difference]: Without dead ends: 100 [2020-12-23 01:38:01,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=280, Invalid=2800, Unknown=0, NotChecked=0, Total=3080 [2020-12-23 01:38:01,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-12-23 01:38:01,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2020-12-23 01:38:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-23 01:38:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-12-23 01:38:01,980 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 88 [2020-12-23 01:38:01,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:01,981 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-12-23 01:38:01,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-12-23 01:38:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-12-23 01:38:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 01:38:01,982 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:01,982 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:02,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:02,184 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:02,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:02,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2032464654, now seen corresponding path program 17 times [2020-12-23 01:38:02,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:02,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813096620] [2020-12-23 01:38:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:02,205 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:38:02,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [979296473] [2020-12-23 01:38:02,205 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:02,655 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2020-12-23 01:38:02,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:38:02,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-23 01:38:02,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:38:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 143 proven. 77 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-12-23 01:38:03,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813096620] [2020-12-23 01:38:03,592 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 01:38:03,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979296473] [2020-12-23 01:38:03,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:38:03,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-23 01:38:03,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357486555] [2020-12-23 01:38:03,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 01:38:03,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:38:03,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 01:38:03,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-12-23 01:38:03,595 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 21 states. [2020-12-23 01:38:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:38:04,991 INFO L93 Difference]: Finished difference Result 212 states and 218 transitions. [2020-12-23 01:38:04,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-23 01:38:04,994 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2020-12-23 01:38:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:38:04,995 INFO L225 Difference]: With dead ends: 212 [2020-12-23 01:38:04,996 INFO L226 Difference]: Without dead ends: 111 [2020-12-23 01:38:04,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:38:04,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-23 01:38:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-12-23 01:38:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-23 01:38:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2020-12-23 01:38:05,026 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 92 [2020-12-23 01:38:05,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:38:05,026 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2020-12-23 01:38:05,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 01:38:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2020-12-23 01:38:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 01:38:05,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:38:05,027 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:38:05,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:05,227 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:38:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:38:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash -911888299, now seen corresponding path program 18 times [2020-12-23 01:38:05,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:38:05,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955378505] [2020-12-23 01:38:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:38:05,249 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 01:38:05,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1099820038] [2020-12-23 01:38:05,250 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:38:06,293 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2020-12-23 01:38:06,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:38:06,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 96 conjunts are in the unsatisfiable core [2020-12-23 01:38:06,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:38:06,335 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:38:06,339 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,358 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,360 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,360 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:38:06,399 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:38:06,402 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,426 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,427 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,427 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:38:06,509 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,514 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 [2020-12-23 01:38:06,517 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,555 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,556 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,556 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:48 [2020-12-23 01:38:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,692 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,698 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 [2020-12-23 01:38:06,700 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,756 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:06,758 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:06,758 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:66 [2020-12-23 01:38:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:06,985 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 [2020-12-23 01:38:06,988 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,055 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:07,056 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,057 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:86 [2020-12-23 01:38:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,265 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,282 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 [2020-12-23 01:38:07,286 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,361 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:07,364 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:94 [2020-12-23 01:38:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,642 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 97 treesize of output 78 [2020-12-23 01:38:07,645 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:07,721 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:07,721 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:103 [2020-12-23 01:38:07,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:07,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:08,680 WARN L197 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-12-23 01:38:08,681 INFO L348 Elim1Store]: treesize reduction 129, result has 66.1 percent of original size [2020-12-23 01:38:08,682 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 119 treesize of output 292 [2020-12-23 01:38:08,697 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:09,037 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2020-12-23 01:38:09,038 INFO L625 ElimStorePlain]: treesize reduction 190, result has 32.4 percent of original size [2020-12-23 01:38:09,040 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:38:09,040 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:91 [2020-12-23 01:38:09,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:38:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,493 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:09,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,631 INFO L244 Elim1Store]: Index analysis took 222 ms [2020-12-23 01:38:09,633 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 94 [2020-12-23 01:38:09,638 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:09,792 INFO L244 Elim1Store]: Index analysis took 138 ms [2020-12-23 01:38:10,530 WARN L197 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-12-23 01:38:10,532 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:10,533 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 102 treesize of output 475 [2020-12-23 01:38:10,544 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:11,409 WARN L197 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2020-12-23 01:38:11,410 INFO L625 ElimStorePlain]: treesize reduction 323, result has 39.5 percent of original size [2020-12-23 01:38:11,411 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 01:38:11,412 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:223, output treesize:211 [2020-12-23 01:38:11,880 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-23 01:38:12,362 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-23 01:38:12,799 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 01:38:12,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:38:12,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:38:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:12,918 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,071 INFO L244 Elim1Store]: Index analysis took 245 ms [2020-12-23 01:38:13,074 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 111 [2020-12-23 01:38:13,080 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:13,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,117 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:38:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,298 INFO L244 Elim1Store]: Index analysis took 204 ms [2020-12-23 01:38:13,301 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2020-12-23 01:38:13,305 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:13,509 INFO L244 Elim1Store]: Index analysis took 185 ms [2020-12-23 01:38:14,355 WARN L197 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-12-23 01:38:14,356 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:14,357 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 125 treesize of output 580 [2020-12-23 01:38:14,371 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:15,778 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2020-12-23 01:38:15,780 INFO L625 ElimStorePlain]: treesize reduction 346, result has 51.9 percent of original size [2020-12-23 01:38:15,782 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:38:15,783 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:402, output treesize:374 [2020-12-23 01:38:16,517 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:38:16,527 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:38:16,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:38:17,396 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-23 01:38:17,405 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:38:18,271 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-23 01:38:19,301 WARN L197 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-12-23 01:38:19,326 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:38:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,605 INFO L244 Elim1Store]: Index analysis took 253 ms [2020-12-23 01:38:19,651 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 105 [2020-12-23 01:38:19,655 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:19,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,172 INFO L244 Elim1Store]: Index analysis took 502 ms [2020-12-23 01:38:20,675 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-12-23 01:38:20,676 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:38:20,677 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 24 case distinctions, treesize of input 132 treesize of output 486 [2020-12-23 01:38:20,690 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,083 INFO L244 Elim1Store]: Index analysis took 373 ms [2020-12-23 01:38:21,132 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 117 [2020-12-23 01:38:21,136 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:21,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:38:21,303 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 88 treesize of output 93 [2020-12-23 01:38:21,307 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:38:22,863 WARN L197 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 169 DAG size of output: 101 [2020-12-23 01:38:22,865 INFO L625 ElimStorePlain]: treesize reduction 535, result has 47.4 percent of original size [2020-12-23 01:38:22,870 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 4 xjuncts. [2020-12-23 01:38:22,870 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:502, output treesize:482 [2020-12-23 01:38:24,048 WARN L197 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 103