/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/ms4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:24:15,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:24:15,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:24:15,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:24:15,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:24:15,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:24:15,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:24:15,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:24:15,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:24:15,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:24:15,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:24:15,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:24:15,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:24:15,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:24:15,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:24:15,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:24:15,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:24:15,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:24:15,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:24:15,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:24:15,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:24:15,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:24:15,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:24:15,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:24:15,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:24:15,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:24:15,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:24:15,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:24:15,814 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 01:24:15,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:24:15,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:24:15,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:24:15,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:24:15,869 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:24:15,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:24:15,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:24:15,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:24:15,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:24:15,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:24:15,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:24:15,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:24:15,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:24:15,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:24:15,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:24:15,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:24:15,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:24:15,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:24:15,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:24:15,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:24:15,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:24:15,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:24:15,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:24:15,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:24:15,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:24:15,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:24:16,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:24:16,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:24:16,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:24:16,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:24:16,401 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:24:16,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms4.c [2020-12-23 01:24:16,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf8e38e46/6e9bea07005148cb89072c2db97ea43c/FLAGa10fd2297 [2020-12-23 01:24:17,132 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:24:17,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/ms4.c [2020-12-23 01:24:17,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf8e38e46/6e9bea07005148cb89072c2db97ea43c/FLAGa10fd2297 [2020-12-23 01:24:17,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cf8e38e46/6e9bea07005148cb89072c2db97ea43c [2020-12-23 01:24:17,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:24:17,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:24:17,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:24:17,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:24:17,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:24:17,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f060966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17, skipping insertion in model container [2020-12-23 01:24:17,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:24:17,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:24:17,734 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/ms4.c[586,599] 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[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] [2020-12-23 01:24:17,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:24:17,789 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:24:17,810 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/ms4.c[586,599] 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[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] [2020-12-23 01:24:17,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:24:17,854 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:24:17,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17 WrapperNode [2020-12-23 01:24:17,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:24:17,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:24:17,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:24:17,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:24:17,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:24:17,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:24:17,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:24:17,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:24:17,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (1/1) ... [2020-12-23 01:24:17,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:24:17,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:24:17,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:24:17,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:24:17,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (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 01:24:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:24:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:24:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 01:24:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 01:24:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:24:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:24:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 01:24:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 01:24:18,420 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:24:18,421 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-23 01:24:18,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:24:18 BoogieIcfgContainer [2020-12-23 01:24:18,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:24:18,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:24:18,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:24:18,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:24:18,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:24:17" (1/3) ... [2020-12-23 01:24:18,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128332fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:24:18, skipping insertion in model container [2020-12-23 01:24:18,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:24:17" (2/3) ... [2020-12-23 01:24:18,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128332fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:24:18, skipping insertion in model container [2020-12-23 01:24:18,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:24:18" (3/3) ... [2020-12-23 01:24:18,451 INFO L111 eAbstractionObserver]: Analyzing ICFG ms4.c [2020-12-23 01:24:18,465 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:24:18,477 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:24:18,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:24:18,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:24:18,542 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:24:18,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:24:18,542 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:24:18,543 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:24:18,543 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:24:18,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:24:18,543 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:24:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-23 01:24:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 01:24:18,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:18,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:18,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:18,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:18,572 INFO L82 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2020-12-23 01:24:18,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:18,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130838378] [2020-12-23 01:24:18,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:18,769 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 01:24:18,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130838378] [2020-12-23 01:24:18,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:24:18,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:24:18,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109124985] [2020-12-23 01:24:18,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 01:24:18,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:18,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 01:24:18,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:24:18,798 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-12-23 01:24:18,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:18,819 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2020-12-23 01:24:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 01:24:18,821 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-23 01:24:18,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:18,831 INFO L225 Difference]: With dead ends: 34 [2020-12-23 01:24:18,831 INFO L226 Difference]: Without dead ends: 15 [2020-12-23 01:24:18,835 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 01:24:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-23 01:24:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-23 01:24:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-23 01:24:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-23 01:24:18,876 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2020-12-23 01:24:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:18,877 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-23 01:24:18,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 01:24:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-23 01:24:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 01:24:18,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:18,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:18,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:24:18,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:18,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:18,880 INFO L82 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2020-12-23 01:24:18,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:18,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960013346] [2020-12-23 01:24:18,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:18,995 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 01:24:18,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960013346] [2020-12-23 01:24:18,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:24:18,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:24:18,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763396539] [2020-12-23 01:24:19,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:24:19,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:19,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:24:19,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:24:19,005 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2020-12-23 01:24:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:19,093 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2020-12-23 01:24:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:24:19,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-12-23 01:24:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:19,095 INFO L225 Difference]: With dead ends: 28 [2020-12-23 01:24:19,096 INFO L226 Difference]: Without dead ends: 20 [2020-12-23 01:24:19,097 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 01:24:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-23 01:24:19,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2020-12-23 01:24:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-23 01:24:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-12-23 01:24:19,109 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2020-12-23 01:24:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:19,110 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-12-23 01:24:19,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:24:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-12-23 01:24:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 01:24:19,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:19,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:19,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:24:19,115 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:19,116 INFO L82 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2020-12-23 01:24:19,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:19,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520815210] [2020-12-23 01:24:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 01:24:19,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520815210] [2020-12-23 01:24:19,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:24:19,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 01:24:19,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375896841] [2020-12-23 01:24:19,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 01:24:19,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:19,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 01:24:19,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:24:19,239 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 5 states. [2020-12-23 01:24:19,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:19,294 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2020-12-23 01:24:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 01:24:19,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-23 01:24:19,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:19,296 INFO L225 Difference]: With dead ends: 25 [2020-12-23 01:24:19,296 INFO L226 Difference]: Without dead ends: 21 [2020-12-23 01:24:19,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:24:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-23 01:24:19,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-12-23 01:24:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-23 01:24:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2020-12-23 01:24:19,302 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 16 [2020-12-23 01:24:19,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:19,303 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-12-23 01:24:19,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 01:24:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-12-23 01:24:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 01:24:19,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:19,304 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:19,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:24:19,305 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:19,306 INFO L82 PathProgramCache]: Analyzing trace with hash -422196611, now seen corresponding path program 1 times [2020-12-23 01:24:19,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:19,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231946776] [2020-12-23 01:24:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:19,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231946776] [2020-12-23 01:24:19,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868940340] [2020-12-23 01:24:19,404 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 01:24:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:19,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:24:19,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:19,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:19,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-12-23 01:24:19,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263410872] [2020-12-23 01:24:19,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 01:24:19,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 01:24:19,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:24:19,613 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 10 states. [2020-12-23 01:24:19,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:19,731 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2020-12-23 01:24:19,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 01:24:19,732 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-12-23 01:24:19,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:19,733 INFO L225 Difference]: With dead ends: 39 [2020-12-23 01:24:19,734 INFO L226 Difference]: Without dead ends: 25 [2020-12-23 01:24:19,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-23 01:24:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-12-23 01:24:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2020-12-23 01:24:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-23 01:24:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-12-23 01:24:19,758 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 19 [2020-12-23 01:24:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:19,759 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-12-23 01:24:19,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 01:24:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-23 01:24:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 01:24:19,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:19,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:19,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:19,974 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:19,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:19,976 INFO L82 PathProgramCache]: Analyzing trace with hash 692240447, now seen corresponding path program 2 times [2020-12-23 01:24:19,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:19,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346482072] [2020-12-23 01:24:19,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:20,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346482072] [2020-12-23 01:24:20,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603661670] [2020-12-23 01:24:20,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:20,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:24:20,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:24:20,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-23 01:24:20,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:20,840 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 17 treesize of output 13 [2020-12-23 01:24:20,842 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:20,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:20,857 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:20,858 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2020-12-23 01:24:21,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:21,058 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-23 01:24:21,060 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:21,075 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:21,077 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:21,077 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2020-12-23 01:24:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:21,216 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2020-12-23 01:24:21,219 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:21,239 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:21,243 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 01:24:21,243 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:30 [2020-12-23 01:24:21,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:21,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:21,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:21,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:21,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:21,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:21,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:21,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:21,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:24:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:21,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:21,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2020-12-23 01:24:21,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169098809] [2020-12-23 01:24:21,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 01:24:21,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:21,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 01:24:21,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:24:21,515 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 25 states. [2020-12-23 01:24:24,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:24,354 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2020-12-23 01:24:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-23 01:24:24,355 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2020-12-23 01:24:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:24,356 INFO L225 Difference]: With dead ends: 62 [2020-12-23 01:24:24,356 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 01:24:24,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=534, Invalid=2118, Unknown=0, NotChecked=0, Total=2652 [2020-12-23 01:24:24,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 01:24:24,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2020-12-23 01:24:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-23 01:24:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-12-23 01:24:24,368 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 21 [2020-12-23 01:24:24,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:24,368 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-12-23 01:24:24,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 01:24:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-12-23 01:24:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 01:24:24,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:24,369 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:24,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:24,584 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1384678109, now seen corresponding path program 3 times [2020-12-23 01:24:24,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:24,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260809416] [2020-12-23 01:24:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:25,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260809416] [2020-12-23 01:24:25,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420674081] [2020-12-23 01:24:25,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:25,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-23 01:24:25,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:24:25,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-23 01:24:25,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:25,746 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:24:25,750 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:25,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:25,758 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:25,759 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:24:25,871 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2020-12-23 01:24:25,874 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:25,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:25,887 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:25,888 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:24:25,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:25,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:26,002 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2020-12-23 01:24:26,005 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:26,017 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2020-12-23 01:24:26,019 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:26,041 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:26,042 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 58 [2020-12-23 01:24:26,044 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:26,177 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-23 01:24:26,179 INFO L625 ElimStorePlain]: treesize reduction 27, result has 82.2 percent of original size [2020-12-23 01:24:26,181 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:24:26,182 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:140, output treesize:125 [2020-12-23 01:24:26,311 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:24:26,720 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:26,720 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 54 [2020-12-23 01:24:26,723 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:26,767 INFO L625 ElimStorePlain]: treesize reduction 38, result has 60.8 percent of original size [2020-12-23 01:24:26,771 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 01:24:26,771 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:70, output treesize:59 [2020-12-23 01:24:26,965 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:26,967 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 103 [2020-12-23 01:24:26,971 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:27,025 INFO L625 ElimStorePlain]: treesize reduction 68, result has 51.1 percent of original size [2020-12-23 01:24:27,029 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 01:24:27,029 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:88, output treesize:71 [2020-12-23 01:24:27,393 INFO L348 Elim1Store]: treesize reduction 17, result has 83.5 percent of original size [2020-12-23 01:24:27,394 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 150 [2020-12-23 01:24:27,399 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:27,474 INFO L625 ElimStorePlain]: treesize reduction 144, result has 38.2 percent of original size [2020-12-23 01:24:27,483 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 01:24:27,484 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:104, output treesize:89 [2020-12-23 01:24:27,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:27,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:27,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:24:27,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:24:27,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:27,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:27,988 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:27,994 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:27,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:24:28,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:24:28,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:24:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:28,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:28,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2020-12-23 01:24:28,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908556903] [2020-12-23 01:24:28,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-23 01:24:28,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:28,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-23 01:24:28,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:24:28,066 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 34 states. [2020-12-23 01:24:28,870 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2020-12-23 01:24:29,379 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-12-23 01:24:29,625 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2020-12-23 01:24:30,334 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-12-23 01:24:33,117 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-12-23 01:24:33,701 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 51 [2020-12-23 01:24:33,896 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 48 [2020-12-23 01:24:34,346 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-12-23 01:24:34,686 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2020-12-23 01:24:35,344 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 50 [2020-12-23 01:24:35,598 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-12-23 01:24:36,085 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-12-23 01:24:36,453 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-12-23 01:24:36,684 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2020-12-23 01:24:37,028 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-23 01:24:37,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:37,213 INFO L93 Difference]: Finished difference Result 91 states and 109 transitions. [2020-12-23 01:24:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-12-23 01:24:37,213 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 26 [2020-12-23 01:24:37,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:37,215 INFO L225 Difference]: With dead ends: 91 [2020-12-23 01:24:37,215 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 01:24:37,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=830, Invalid=4572, Unknown=0, NotChecked=0, Total=5402 [2020-12-23 01:24:37,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 01:24:37,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 49. [2020-12-23 01:24:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 01:24:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-12-23 01:24:37,230 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 26 [2020-12-23 01:24:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:37,230 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-12-23 01:24:37,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-23 01:24:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-12-23 01:24:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 01:24:37,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:37,232 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:37,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:37,448 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:37,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1770405019, now seen corresponding path program 4 times [2020-12-23 01:24:37,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:37,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189607708] [2020-12-23 01:24:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:37,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189607708] [2020-12-23 01:24:37,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584614200] [2020-12-23 01:24:37,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:37,630 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:24:37,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:24:37,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:24:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 01:24:37,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:37,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 15 [2020-12-23 01:24:37,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216318843] [2020-12-23 01:24:37,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 01:24:37,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:37,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 01:24:37,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-12-23 01:24:37,730 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 15 states. [2020-12-23 01:24:37,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:37,877 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2020-12-23 01:24:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 01:24:37,878 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2020-12-23 01:24:37,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:37,879 INFO L225 Difference]: With dead ends: 70 [2020-12-23 01:24:37,879 INFO L226 Difference]: Without dead ends: 49 [2020-12-23 01:24:37,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-12-23 01:24:37,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-23 01:24:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-23 01:24:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-23 01:24:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-12-23 01:24:37,892 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 30 [2020-12-23 01:24:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:37,893 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-12-23 01:24:37,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 01:24:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-12-23 01:24:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 01:24:37,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:37,894 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:38,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:38,108 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:38,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:38,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1023492733, now seen corresponding path program 5 times [2020-12-23 01:24:38,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:38,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032109658] [2020-12-23 01:24:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:39,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032109658] [2020-12-23 01:24:39,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558532091] [2020-12-23 01:24:39,713 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:39,788 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2020-12-23 01:24:39,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:24:39,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-23 01:24:39,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:39,804 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 01:24:39,806 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:39,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:39,812 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:39,813 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2020-12-23 01:24:39,904 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 17 treesize of output 13 [2020-12-23 01:24:39,905 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:39,912 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:39,913 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:39,914 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:24:40,042 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:40,043 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 58 [2020-12-23 01:24:40,046 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,071 INFO L625 ElimStorePlain]: treesize reduction 24, result has 55.6 percent of original size [2020-12-23 01:24:40,072 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,072 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2020-12-23 01:24:40,221 INFO L348 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2020-12-23 01:24:40,222 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 32 treesize of output 34 [2020-12-23 01:24:40,224 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,236 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:40,237 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:35 [2020-12-23 01:24:40,328 INFO L348 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2020-12-23 01:24:40,328 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2020-12-23 01:24:40,330 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,346 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:40,347 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,347 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2020-12-23 01:24:40,533 INFO L348 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2020-12-23 01:24:40,534 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 102 [2020-12-23 01:24:40,538 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,582 INFO L625 ElimStorePlain]: treesize reduction 72, result has 42.4 percent of original size [2020-12-23 01:24:40,584 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,585 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:53 [2020-12-23 01:24:40,843 INFO L348 Elim1Store]: treesize reduction 53, result has 62.4 percent of original size [2020-12-23 01:24:40,843 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 159 [2020-12-23 01:24:40,848 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,900 INFO L625 ElimStorePlain]: treesize reduction 123, result has 34.2 percent of original size [2020-12-23 01:24:40,901 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:40,902 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:64 [2020-12-23 01:24:41,096 INFO L348 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2020-12-23 01:24:41,096 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 51 [2020-12-23 01:24:41,098 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:41,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:41,114 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 01:24:41,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:79, output treesize:57 [2020-12-23 01:24:41,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:24:41,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:41,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:41,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:24:41,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:24:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:41,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:41,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 36 [2020-12-23 01:24:41,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443667065] [2020-12-23 01:24:41,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-12-23 01:24:41,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:41,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-12-23 01:24:41,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 01:24:41,321 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 36 states. [2020-12-23 01:24:44,809 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2020-12-23 01:24:45,114 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 42 [2020-12-23 01:24:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:24:45,508 INFO L93 Difference]: Finished difference Result 91 states and 105 transitions. [2020-12-23 01:24:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-12-23 01:24:45,509 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 31 [2020-12-23 01:24:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:24:45,510 INFO L225 Difference]: With dead ends: 91 [2020-12-23 01:24:45,510 INFO L226 Difference]: Without dead ends: 39 [2020-12-23 01:24:45,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=499, Invalid=3923, Unknown=0, NotChecked=0, Total=4422 [2020-12-23 01:24:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-23 01:24:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-12-23 01:24:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-23 01:24:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-12-23 01:24:45,520 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 31 [2020-12-23 01:24:45,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:24:45,520 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-12-23 01:24:45,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-12-23 01:24:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-12-23 01:24:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 01:24:45,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:24:45,522 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:24:45,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:45,737 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:24:45,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:24:45,737 INFO L82 PathProgramCache]: Analyzing trace with hash -880704545, now seen corresponding path program 6 times [2020-12-23 01:24:45,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:24:45,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580278600] [2020-12-23 01:24:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:24:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:24:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:47,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580278600] [2020-12-23 01:24:47,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895011784] [2020-12-23 01:24:47,698 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:24:47,834 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-12-23 01:24:47,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:24:47,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-23 01:24:47,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:24:48,097 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 17 treesize of output 13 [2020-12-23 01:24:48,098 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,113 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:48,114 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,114 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2020-12-23 01:24:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,271 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2020-12-23 01:24:48,273 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,289 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:48,290 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,290 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2020-12-23 01:24:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,469 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2020-12-23 01:24:48,470 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:48,496 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,497 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2020-12-23 01:24:48,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:24:48,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,822 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:48,823 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 146 [2020-12-23 01:24:48,828 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,872 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2020-12-23 01:24:48,875 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:48,907 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2020-12-23 01:24:48,912 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:49,272 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-12-23 01:24:49,273 INFO L625 ElimStorePlain]: treesize reduction 78, result has 71.6 percent of original size [2020-12-23 01:24:49,275 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:24:49,275 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:215, output treesize:197 [2020-12-23 01:24:49,541 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-23 01:24:49,803 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-23 01:24:49,808 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:24:50,196 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2020-12-23 01:24:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,380 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:50,381 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 80 [2020-12-23 01:24:50,383 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:50,491 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-23 01:24:50,492 INFO L625 ElimStorePlain]: treesize reduction 21, result has 81.9 percent of original size [2020-12-23 01:24:50,495 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 01:24:50,495 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:106, output treesize:95 [2020-12-23 01:24:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,809 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:24:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:50,825 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:50,825 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 87 [2020-12-23 01:24:50,828 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:50,921 INFO L625 ElimStorePlain]: treesize reduction 32, result has 75.2 percent of original size [2020-12-23 01:24:50,926 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 01:24:50,927 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:97 [2020-12-23 01:24:51,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,248 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:24:51,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,264 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:51,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 90 [2020-12-23 01:24:51,269 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:51,365 INFO L625 ElimStorePlain]: treesize reduction 26, result has 79.4 percent of original size [2020-12-23 01:24:51,368 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 01:24:51,368 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:123, output treesize:100 [2020-12-23 01:24:51,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,769 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:24:51,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:51,782 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:24:51,782 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 95 [2020-12-23 01:24:51,785 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:51,889 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-23 01:24:51,890 INFO L625 ElimStorePlain]: treesize reduction 26, result has 81.3 percent of original size [2020-12-23 01:24:51,907 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 01:24:51,908 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:113 [2020-12-23 01:24:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:24:52,468 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:24:52,470 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 62 [2020-12-23 01:24:52,473 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:24:52,544 INFO L625 ElimStorePlain]: treesize reduction 9, result has 92.2 percent of original size [2020-12-23 01:24:52,550 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:24:52,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:114, output treesize:107 [2020-12-23 01:24:53,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:24:53,039 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,043 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:24:53,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:24:53,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,059 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:24:53,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:24:53,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:24:53,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:24:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:24:53,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:24:53,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29] total 52 [2020-12-23 01:24:53,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413357014] [2020-12-23 01:24:53,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-12-23 01:24:53,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:24:53,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-12-23 01:24:53,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=2290, Unknown=0, NotChecked=0, Total=2652 [2020-12-23 01:24:53,182 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 52 states. [2020-12-23 01:24:54,616 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 34 [2020-12-23 01:24:54,953 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2020-12-23 01:24:55,308 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-12-23 01:24:55,641 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2020-12-23 01:24:56,004 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-12-23 01:24:56,309 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2020-12-23 01:24:56,543 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-12-23 01:24:57,025 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-12-23 01:24:57,694 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2020-12-23 01:24:57,896 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-23 01:24:58,165 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-12-23 01:24:58,356 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 01:24:58,596 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-12-23 01:24:58,802 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-12-23 01:24:59,056 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 59 [2020-12-23 01:24:59,875 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 01:25:00,293 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2020-12-23 01:25:00,922 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 76 [2020-12-23 01:25:01,326 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-12-23 01:25:01,531 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-12-23 01:25:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:01,715 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2020-12-23 01:25:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-12-23 01:25:01,716 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 36 [2020-12-23 01:25:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:01,717 INFO L225 Difference]: With dead ends: 82 [2020-12-23 01:25:01,717 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 01:25:01,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2622 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=1151, Invalid=7405, Unknown=0, NotChecked=0, Total=8556 [2020-12-23 01:25:01,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 01:25:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-12-23 01:25:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 01:25:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-12-23 01:25:01,727 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 36 [2020-12-23 01:25:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:01,728 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-12-23 01:25:01,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-12-23 01:25:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-12-23 01:25:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 01:25:01,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:01,732 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:01,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:01,946 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:01,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:01,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1463861959, now seen corresponding path program 7 times [2020-12-23 01:25:01,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:01,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229791749] [2020-12-23 01:25:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:04,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229791749] [2020-12-23 01:25:04,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203435017] [2020-12-23 01:25:04,574 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:04,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-23 01:25:04,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:04,664 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:25:04,666 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:04,671 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:04,672 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:04,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2020-12-23 01:25:04,795 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 17 treesize of output 13 [2020-12-23 01:25:04,796 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:04,804 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:04,805 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:04,805 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:25:04,970 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:04,971 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 58 [2020-12-23 01:25:04,973 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,004 INFO L625 ElimStorePlain]: treesize reduction 24, result has 55.6 percent of original size [2020-12-23 01:25:05,005 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,005 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2020-12-23 01:25:05,254 INFO L348 Elim1Store]: treesize reduction 12, result has 87.4 percent of original size [2020-12-23 01:25:05,254 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 36 treesize of output 102 [2020-12-23 01:25:05,257 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,305 INFO L625 ElimStorePlain]: treesize reduction 48, result has 44.8 percent of original size [2020-12-23 01:25:05,306 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:25:05,583 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-12-23 01:25:05,584 INFO L348 Elim1Store]: treesize reduction 36, result has 77.5 percent of original size [2020-12-23 01:25:05,584 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 45 treesize of output 146 [2020-12-23 01:25:05,587 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,642 INFO L625 ElimStorePlain]: treesize reduction 72, result has 40.0 percent of original size [2020-12-23 01:25:05,643 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,643 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2020-12-23 01:25:05,886 INFO L348 Elim1Store]: treesize reduction 176, result has 17.4 percent of original size [2020-12-23 01:25:05,886 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 50 treesize of output 58 [2020-12-23 01:25:05,890 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,909 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:05,910 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:05,911 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-12-23 01:25:06,120 INFO L348 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2020-12-23 01:25:06,120 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 68 [2020-12-23 01:25:06,123 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:06,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:06,150 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:06,150 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2020-12-23 01:25:06,494 INFO L348 Elim1Store]: treesize reduction 120, result has 37.2 percent of original size [2020-12-23 01:25:06,494 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 154 [2020-12-23 01:25:06,501 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:06,571 INFO L625 ElimStorePlain]: treesize reduction 102, result has 41.0 percent of original size [2020-12-23 01:25:06,571 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:06,572 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2020-12-23 01:25:06,950 INFO L348 Elim1Store]: treesize reduction 120, result has 37.2 percent of original size [2020-12-23 01:25:06,950 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 154 [2020-12-23 01:25:06,957 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:07,029 INFO L625 ElimStorePlain]: treesize reduction 102, result has 41.7 percent of original size [2020-12-23 01:25:07,032 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:07,032 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:73 [2020-12-23 01:25:07,469 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 64 [2020-12-23 01:25:07,470 INFO L348 Elim1Store]: treesize reduction 137, result has 51.6 percent of original size [2020-12-23 01:25:07,470 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 89 treesize of output 243 [2020-12-23 01:25:07,478 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:07,591 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2020-12-23 01:25:07,592 INFO L625 ElimStorePlain]: treesize reduction 263, result has 23.8 percent of original size [2020-12-23 01:25:07,593 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:07,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:82 [2020-12-23 01:25:08,010 INFO L348 Elim1Store]: treesize reduction 120, result has 37.2 percent of original size [2020-12-23 01:25:08,011 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 93 treesize of output 157 [2020-12-23 01:25:08,015 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:08,098 INFO L625 ElimStorePlain]: treesize reduction 114, result has 41.2 percent of original size [2020-12-23 01:25:08,099 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:08,099 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:80 [2020-12-23 01:25:08,396 INFO L348 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2020-12-23 01:25:08,397 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 76 [2020-12-23 01:25:08,400 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:08,428 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:08,430 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 01:25:08,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:68 [2020-12-23 01:25:08,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:25:08,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:25:08,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:08,652 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:25:08,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:25:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:08,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:25:08,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25] total 52 [2020-12-23 01:25:08,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779811031] [2020-12-23 01:25:08,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-12-23 01:25:08,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-12-23 01:25:08,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=2396, Unknown=0, NotChecked=0, Total=2652 [2020-12-23 01:25:08,775 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 52 states. [2020-12-23 01:25:10,620 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-12-23 01:25:11,073 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2020-12-23 01:25:11,896 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 42 [2020-12-23 01:25:12,116 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2020-12-23 01:25:12,346 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 49 [2020-12-23 01:25:12,585 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 46 [2020-12-23 01:25:12,799 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2020-12-23 01:25:13,098 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2020-12-23 01:25:13,380 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 47 [2020-12-23 01:25:13,811 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 49 [2020-12-23 01:25:14,218 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-12-23 01:25:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:14,263 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2020-12-23 01:25:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-23 01:25:14,264 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 41 [2020-12-23 01:25:14,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:14,265 INFO L225 Difference]: With dead ends: 70 [2020-12-23 01:25:14,265 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 01:25:14,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=619, Invalid=5543, Unknown=0, NotChecked=0, Total=6162 [2020-12-23 01:25:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 01:25:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-12-23 01:25:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 01:25:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-12-23 01:25:14,276 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 41 [2020-12-23 01:25:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:14,276 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-12-23 01:25:14,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-12-23 01:25:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-12-23 01:25:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 01:25:14,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:14,278 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:14,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 01:25:14,484 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:14,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash 409975325, now seen corresponding path program 8 times [2020-12-23 01:25:14,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:14,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436251566] [2020-12-23 01:25:14,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 54 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:14,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436251566] [2020-12-23 01:25:14,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929171734] [2020-12-23 01:25:14,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:14,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:25:14,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:25:14,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:25:14,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 70 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:15,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:25:15,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2020-12-23 01:25:15,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481255026] [2020-12-23 01:25:15,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 01:25:15,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:15,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 01:25:15,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:25:15,098 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 25 states. [2020-12-23 01:25:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:15,518 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2020-12-23 01:25:15,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 01:25:15,520 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 44 [2020-12-23 01:25:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:15,521 INFO L225 Difference]: With dead ends: 77 [2020-12-23 01:25:15,521 INFO L226 Difference]: Without dead ends: 50 [2020-12-23 01:25:15,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2020-12-23 01:25:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-23 01:25:15,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-12-23 01:25:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 01:25:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-12-23 01:25:15,532 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2020-12-23 01:25:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:15,532 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-12-23 01:25:15,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 01:25:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-12-23 01:25:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 01:25:15,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:15,533 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:15,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 01:25:15,748 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:15,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:15,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1967037797, now seen corresponding path program 9 times [2020-12-23 01:25:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:15,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39234341] [2020-12-23 01:25:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:16,508 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-12-23 01:25:16,653 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2020-12-23 01:25:16,807 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-12-23 01:25:16,988 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2020-12-23 01:25:17,171 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2020-12-23 01:25:17,385 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2020-12-23 01:25:17,568 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2020-12-23 01:25:17,757 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-23 01:25:17,977 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-12-23 01:25:18,162 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 01:25:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:20,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39234341] [2020-12-23 01:25:20,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450225083] [2020-12-23 01:25:20,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:20,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2020-12-23 01:25:20,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:25:20,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 63 conjunts are in the unsatisfiable core [2020-12-23 01:25:20,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:20,979 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:25:20,981 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:20,994 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:20,995 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:20,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:25:21,187 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 17 treesize of output 13 [2020-12-23 01:25:21,188 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,205 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:21,207 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,207 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:25:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,439 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2020-12-23 01:25:21,441 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:21,460 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-12-23 01:25:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,711 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 36 treesize of output 38 [2020-12-23 01:25:21,713 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,739 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:21,740 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:21,741 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2020-12-23 01:25:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,001 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 45 treesize of output 50 [2020-12-23 01:25:22,003 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,026 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:22,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2020-12-23 01:25:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,325 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 61 treesize of output 69 [2020-12-23 01:25:22,327 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,353 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:22,354 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,354 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2020-12-23 01:25:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:22,693 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 77 treesize of output 88 [2020-12-23 01:25:22,699 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,767 INFO L625 ElimStorePlain]: treesize reduction 3, result has 96.6 percent of original size [2020-12-23 01:25:22,768 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:22,768 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:86 [2020-12-23 01:25:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,411 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2020-12-23 01:25:23,413 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:23,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:23,456 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:23,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2020-12-23 01:25:23,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,770 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:25:23,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:23,790 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 87 [2020-12-23 01:25:23,794 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:23,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:23,835 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:23,836 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:80 [2020-12-23 01:25:24,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,180 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 0 case distinctions, treesize of input 85 treesize of output 85 [2020-12-23 01:25:24,182 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,219 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:24,220 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,220 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:98, output treesize:75 [2020-12-23 01:25:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,477 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:24,478 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 180 [2020-12-23 01:25:24,483 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,584 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2020-12-23 01:25:24,585 INFO L625 ElimStorePlain]: treesize reduction 138, result has 38.1 percent of original size [2020-12-23 01:25:24,586 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:24,586 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:85 [2020-12-23 01:25:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,205 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-12-23 01:25:25,206 INFO L348 Elim1Store]: treesize reduction 17, result has 91.1 percent of original size [2020-12-23 01:25:25,207 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 98 treesize of output 284 [2020-12-23 01:25:25,215 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:25,379 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-12-23 01:25:25,380 INFO L625 ElimStorePlain]: treesize reduction 290, result has 24.7 percent of original size [2020-12-23 01:25:25,381 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:25,381 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:111, output treesize:95 [2020-12-23 01:25:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:26,194 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2020-12-23 01:25:26,195 INFO L348 Elim1Store]: treesize reduction 52, result has 83.6 percent of original size [2020-12-23 01:25:26,196 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 108 treesize of output 387 [2020-12-23 01:25:26,212 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,400 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2020-12-23 01:25:26,400 INFO L625 ElimStorePlain]: treesize reduction 483, result has 17.9 percent of original size [2020-12-23 01:25:26,402 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:26,402 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:105 [2020-12-23 01:25:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:25:27,385 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:25:27,386 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:27,386 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 18 case distinctions, treesize of input 101 treesize of output 323 [2020-12-23 01:25:27,399 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:27,587 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2020-12-23 01:25:27,588 INFO L625 ElimStorePlain]: treesize reduction 459, result has 17.6 percent of original size [2020-12-23 01:25:27,590 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:25:27,591 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:98 [2020-12-23 01:25:28,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:28,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:25:28,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:28,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:25:28,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:28,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:28,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:25:28,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:25:28,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:25:28,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:25:28,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:25:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:28,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:25:28,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2020-12-23 01:25:28,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780102513] [2020-12-23 01:25:28,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-12-23 01:25:28,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:25:28,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-12-23 01:25:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=4042, Unknown=0, NotChecked=0, Total=4556 [2020-12-23 01:25:28,552 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 68 states. [2020-12-23 01:25:30,967 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 50 [2020-12-23 01:25:31,317 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 48 [2020-12-23 01:25:31,850 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 50 [2020-12-23 01:25:32,410 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 75 [2020-12-23 01:25:32,946 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 71 [2020-12-23 01:25:33,194 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-23 01:25:33,523 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-23 01:25:33,895 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2020-12-23 01:25:34,104 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-12-23 01:25:34,570 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-23 01:25:34,860 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2020-12-23 01:25:35,145 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-12-23 01:25:35,440 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-12-23 01:25:35,784 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-12-23 01:25:36,092 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 52 [2020-12-23 01:25:36,383 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2020-12-23 01:25:36,708 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-12-23 01:25:37,040 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2020-12-23 01:25:37,427 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2020-12-23 01:25:37,741 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-12-23 01:25:38,116 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2020-12-23 01:25:38,437 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-12-23 01:25:38,845 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2020-12-23 01:25:39,146 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-23 01:25:39,594 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2020-12-23 01:25:40,753 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 84 [2020-12-23 01:25:41,153 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2020-12-23 01:25:41,756 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-12-23 01:25:42,279 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2020-12-23 01:25:42,925 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 83 [2020-12-23 01:25:43,231 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 56 [2020-12-23 01:25:43,636 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 74 [2020-12-23 01:25:44,127 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 55 [2020-12-23 01:25:44,577 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 78 [2020-12-23 01:25:45,044 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 80 [2020-12-23 01:25:45,375 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 68 [2020-12-23 01:25:45,817 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 57 [2020-12-23 01:25:46,357 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 69 [2020-12-23 01:25:46,751 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 75 [2020-12-23 01:25:47,153 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2020-12-23 01:25:47,610 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 78 [2020-12-23 01:25:48,006 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-12-23 01:25:48,472 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 80 [2020-12-23 01:25:48,959 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 81 [2020-12-23 01:25:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:25:48,982 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2020-12-23 01:25:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-12-23 01:25:48,983 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 46 [2020-12-23 01:25:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:25:48,987 INFO L225 Difference]: With dead ends: 106 [2020-12-23 01:25:48,987 INFO L226 Difference]: Without dead ends: 98 [2020-12-23 01:25:48,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5009 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=2059, Invalid=14971, Unknown=0, NotChecked=0, Total=17030 [2020-12-23 01:25:48,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-23 01:25:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 58. [2020-12-23 01:25:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-12-23 01:25:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-12-23 01:25:49,005 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 46 [2020-12-23 01:25:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:25:49,006 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-12-23 01:25:49,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-12-23 01:25:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-12-23 01:25:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 01:25:49,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:25:49,007 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:25:49,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:49,211 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:25:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:25:49,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1527844875, now seen corresponding path program 10 times [2020-12-23 01:25:49,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:25:49,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94217156] [2020-12-23 01:25:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:25:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:25:50,874 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-23 01:25:51,172 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 01:25:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:25:53,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94217156] [2020-12-23 01:25:53,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496926759] [2020-12-23 01:25:53,913 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:25:53,971 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:25:53,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:25:53,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 59 conjunts are in the unsatisfiable core [2020-12-23 01:25:53,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:25:53,996 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:25:53,999 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,006 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:54,007 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,008 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2020-12-23 01:25:54,207 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 17 treesize of output 13 [2020-12-23 01:25:54,209 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,223 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:54,224 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,224 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:25:54,483 INFO L348 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2020-12-23 01:25:54,484 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 34 treesize of output 33 [2020-12-23 01:25:54,485 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,504 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:54,507 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,508 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2020-12-23 01:25:54,875 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-23 01:25:54,876 INFO L348 Elim1Store]: treesize reduction 12, result has 87.4 percent of original size [2020-12-23 01:25:54,876 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 36 treesize of output 102 [2020-12-23 01:25:54,879 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,948 INFO L625 ElimStorePlain]: treesize reduction 48, result has 44.8 percent of original size [2020-12-23 01:25:54,949 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:54,949 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:25:55,375 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-12-23 01:25:55,376 INFO L348 Elim1Store]: treesize reduction 83, result has 53.4 percent of original size [2020-12-23 01:25:55,377 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 52 treesize of output 121 [2020-12-23 01:25:55,381 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:55,467 INFO L625 ElimStorePlain]: treesize reduction 48, result has 53.4 percent of original size [2020-12-23 01:25:55,468 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:55,468 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:25:55,972 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-12-23 01:25:55,973 INFO L348 Elim1Store]: treesize reduction 172, result has 38.4 percent of original size [2020-12-23 01:25:55,973 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 68 treesize of output 140 [2020-12-23 01:25:55,977 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:56,069 INFO L625 ElimStorePlain]: treesize reduction 48, result has 59.7 percent of original size [2020-12-23 01:25:56,070 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:56,070 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:71 [2020-12-23 01:25:56,755 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 59 [2020-12-23 01:25:56,756 INFO L348 Elim1Store]: treesize reduction 120, result has 63.2 percent of original size [2020-12-23 01:25:56,757 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 63 treesize of output 234 [2020-12-23 01:25:56,762 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:56,904 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-12-23 01:25:56,905 INFO L625 ElimStorePlain]: treesize reduction 120, result has 35.5 percent of original size [2020-12-23 01:25:56,907 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:56,908 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-12-23 01:25:57,449 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2020-12-23 01:25:57,450 INFO L348 Elim1Store]: treesize reduction 336, result has 14.1 percent of original size [2020-12-23 01:25:57,450 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 68 treesize of output 82 [2020-12-23 01:25:57,453 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:57,490 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:57,492 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:57,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:71 [2020-12-23 01:25:57,897 INFO L348 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2020-12-23 01:25:57,898 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 75 treesize of output 92 [2020-12-23 01:25:57,903 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:57,948 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:25:57,950 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:57,950 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2020-12-23 01:25:58,591 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-23 01:25:58,592 INFO L348 Elim1Store]: treesize reduction 252, result has 28.2 percent of original size [2020-12-23 01:25:58,593 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 206 [2020-12-23 01:25:58,601 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:58,729 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2020-12-23 01:25:58,730 INFO L625 ElimStorePlain]: treesize reduction 110, result has 44.7 percent of original size [2020-12-23 01:25:58,731 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:58,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:89 [2020-12-23 01:25:59,397 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-23 01:25:59,399 INFO L348 Elim1Store]: treesize reduction 252, result has 28.2 percent of original size [2020-12-23 01:25:59,400 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 206 [2020-12-23 01:25:59,404 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:25:59,530 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 54 [2020-12-23 01:25:59,531 INFO L625 ElimStorePlain]: treesize reduction 144, result has 42.2 percent of original size [2020-12-23 01:25:59,532 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:25:59,533 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:112, output treesize:105 [2020-12-23 01:26:00,424 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 86 [2020-12-23 01:26:00,425 INFO L348 Elim1Store]: treesize reduction 269, result has 43.1 percent of original size [2020-12-23 01:26:00,426 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 122 treesize of output 327 [2020-12-23 01:26:00,434 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:00,644 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2020-12-23 01:26:00,645 INFO L625 ElimStorePlain]: treesize reduction 388, result has 21.1 percent of original size [2020-12-23 01:26:00,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:00,647 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:132, output treesize:104 [2020-12-23 01:26:01,354 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-23 01:26:01,355 INFO L348 Elim1Store]: treesize reduction 252, result has 28.2 percent of original size [2020-12-23 01:26:01,356 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 209 [2020-12-23 01:26:01,361 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:01,498 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2020-12-23 01:26:01,499 INFO L625 ElimStorePlain]: treesize reduction 144, result has 42.2 percent of original size [2020-12-23 01:26:01,501 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:01,501 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:105 [2020-12-23 01:26:02,159 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-23 01:26:02,160 INFO L348 Elim1Store]: treesize reduction 252, result has 28.2 percent of original size [2020-12-23 01:26:02,160 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 209 [2020-12-23 01:26:02,167 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:02,307 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-12-23 01:26:02,308 INFO L625 ElimStorePlain]: treesize reduction 183, result has 42.1 percent of original size [2020-12-23 01:26:02,310 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:02,310 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:133 [2020-12-23 01:26:03,254 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 86 [2020-12-23 01:26:03,255 INFO L348 Elim1Store]: treesize reduction 269, result has 43.1 percent of original size [2020-12-23 01:26:03,256 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 150 treesize of output 331 [2020-12-23 01:26:03,264 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:03,469 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2020-12-23 01:26:03,470 INFO L625 ElimStorePlain]: treesize reduction 447, result has 20.5 percent of original size [2020-12-23 01:26:03,472 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:03,472 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:115 [2020-12-23 01:26:03,979 INFO L348 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2020-12-23 01:26:03,979 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 123 treesize of output 102 [2020-12-23 01:26:03,982 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:04,038 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:04,042 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:04,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:130, output treesize:127 [2020-12-23 01:26:04,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:04,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:04,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:04,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:04,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:04,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:04,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:04,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:04,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:04,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:04,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:04,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:04,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 01:26:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:04,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:04,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33] total 68 [2020-12-23 01:26:04,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810575603] [2020-12-23 01:26:04,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-12-23 01:26:04,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:04,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-12-23 01:26:04,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=4173, Unknown=0, NotChecked=0, Total=4556 [2020-12-23 01:26:04,647 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 68 states. [2020-12-23 01:26:06,782 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-12-23 01:26:07,385 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2020-12-23 01:26:08,046 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-12-23 01:26:08,802 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 46 [2020-12-23 01:26:09,184 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 46 [2020-12-23 01:26:09,864 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-12-23 01:26:10,117 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-12-23 01:26:10,625 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2020-12-23 01:26:11,009 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 50 [2020-12-23 01:26:11,400 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2020-12-23 01:26:11,696 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2020-12-23 01:26:12,034 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2020-12-23 01:26:12,394 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2020-12-23 01:26:12,737 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2020-12-23 01:26:13,086 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 50 [2020-12-23 01:26:13,605 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2020-12-23 01:26:14,040 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 55 [2020-12-23 01:26:14,484 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 58 [2020-12-23 01:26:14,953 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 57 [2020-12-23 01:26:15,365 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 51 [2020-12-23 01:26:15,814 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 55 [2020-12-23 01:26:16,213 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2020-12-23 01:26:16,720 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 58 [2020-12-23 01:26:17,122 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 57 [2020-12-23 01:26:17,540 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 49 [2020-12-23 01:26:17,939 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 57 [2020-12-23 01:26:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:17,978 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2020-12-23 01:26:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-23 01:26:17,980 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 51 [2020-12-23 01:26:17,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:17,981 INFO L225 Difference]: With dead ends: 94 [2020-12-23 01:26:17,982 INFO L226 Difference]: Without dead ends: 90 [2020-12-23 01:26:17,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3138 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=957, Invalid=9963, Unknown=0, NotChecked=0, Total=10920 [2020-12-23 01:26:17,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-12-23 01:26:17,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 53. [2020-12-23 01:26:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-23 01:26:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-12-23 01:26:17,997 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 51 [2020-12-23 01:26:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:17,997 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-12-23 01:26:17,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 68 states. [2020-12-23 01:26:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-12-23 01:26:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 01:26:17,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:17,998 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:18,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:18,213 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:18,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1910959067, now seen corresponding path program 11 times [2020-12-23 01:26:18,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:18,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142580672] [2020-12-23 01:26:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 95 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142580672] [2020-12-23 01:26:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516711331] [2020-12-23 01:26:18,677 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:19,075 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-12-23 01:26:19,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:19,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-23 01:26:19,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 117 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:19,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:19,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 30 [2020-12-23 01:26:19,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524892480] [2020-12-23 01:26:19,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-23 01:26:19,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:19,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-23 01:26:19,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-12-23 01:26:19,707 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 30 states. [2020-12-23 01:26:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:20,385 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2020-12-23 01:26:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 01:26:20,387 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 52 [2020-12-23 01:26:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:20,388 INFO L225 Difference]: With dead ends: 89 [2020-12-23 01:26:20,388 INFO L226 Difference]: Without dead ends: 56 [2020-12-23 01:26:20,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=337, Invalid=1069, Unknown=0, NotChecked=0, Total=1406 [2020-12-23 01:26:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-23 01:26:20,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2020-12-23 01:26:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 01:26:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-12-23 01:26:20,401 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 52 [2020-12-23 01:26:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:20,401 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-12-23 01:26:20,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-23 01:26:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-12-23 01:26:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 01:26:20,402 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:20,402 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:20,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 01:26:20,614 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:20,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:20,615 INFO L82 PathProgramCache]: Analyzing trace with hash -440453543, now seen corresponding path program 12 times [2020-12-23 01:26:20,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:20,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062531135] [2020-12-23 01:26:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 95 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:21,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062531135] [2020-12-23 01:26:21,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780049688] [2020-12-23 01:26:21,083 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:21,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2020-12-23 01:26:21,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:21,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-23 01:26:21,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 117 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:21,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:21,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2020-12-23 01:26:21,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761982093] [2020-12-23 01:26:21,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-12-23 01:26:21,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:21,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-12-23 01:26:21,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2020-12-23 01:26:21,934 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 31 states. [2020-12-23 01:26:22,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:22,718 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2020-12-23 01:26:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 01:26:22,720 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 54 [2020-12-23 01:26:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:22,720 INFO L225 Difference]: With dead ends: 93 [2020-12-23 01:26:22,721 INFO L226 Difference]: Without dead ends: 60 [2020-12-23 01:26:22,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=378, Invalid=1182, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 01:26:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-12-23 01:26:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-12-23 01:26:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-23 01:26:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-12-23 01:26:22,735 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 54 [2020-12-23 01:26:22,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:22,735 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-12-23 01:26:22,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-12-23 01:26:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-12-23 01:26:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 01:26:22,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:22,736 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:22,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 01:26:22,940 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:22,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash -995174057, now seen corresponding path program 13 times [2020-12-23 01:26:22,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:22,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431983830] [2020-12-23 01:26:22,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:23,653 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-12-23 01:26:23,950 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-23 01:26:24,125 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2020-12-23 01:26:24,450 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-12-23 01:26:24,645 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-12-23 01:26:24,827 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2020-12-23 01:26:25,027 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-12-23 01:26:25,213 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-12-23 01:26:25,426 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2020-12-23 01:26:25,825 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-12-23 01:26:26,470 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-23 01:26:26,820 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-12-23 01:26:27,012 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-23 01:26:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:29,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431983830] [2020-12-23 01:26:29,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349454288] [2020-12-23 01:26:29,605 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:29,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 65 conjunts are in the unsatisfiable core [2020-12-23 01:26:29,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:29,700 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:26:29,703 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:29,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:29,712 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:29,712 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:8 [2020-12-23 01:26:29,930 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 17 treesize of output 13 [2020-12-23 01:26:29,932 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:29,947 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:29,948 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:29,948 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 01:26:30,211 INFO L348 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2020-12-23 01:26:30,212 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 34 treesize of output 33 [2020-12-23 01:26:30,214 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:30,234 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:30,235 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:30,236 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2020-12-23 01:26:30,640 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-23 01:26:30,641 INFO L348 Elim1Store]: treesize reduction 12, result has 87.4 percent of original size [2020-12-23 01:26:30,642 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 36 treesize of output 102 [2020-12-23 01:26:30,647 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:30,722 INFO L625 ElimStorePlain]: treesize reduction 48, result has 44.8 percent of original size [2020-12-23 01:26:30,723 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:30,724 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 01:26:31,222 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-12-23 01:26:31,223 INFO L348 Elim1Store]: treesize reduction 36, result has 77.5 percent of original size [2020-12-23 01:26:31,224 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 45 treesize of output 146 [2020-12-23 01:26:31,229 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:31,325 INFO L625 ElimStorePlain]: treesize reduction 72, result has 40.0 percent of original size [2020-12-23 01:26:31,326 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:31,326 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2020-12-23 01:26:32,013 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-12-23 01:26:32,015 INFO L348 Elim1Store]: treesize reduction 72, result has 69.6 percent of original size [2020-12-23 01:26:32,015 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 54 treesize of output 190 [2020-12-23 01:26:32,021 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:32,152 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-12-23 01:26:32,153 INFO L625 ElimStorePlain]: treesize reduction 96, result has 37.3 percent of original size [2020-12-23 01:26:32,155 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:32,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:57 [2020-12-23 01:26:32,888 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2020-12-23 01:26:32,889 INFO L348 Elim1Store]: treesize reduction 173, result has 50.6 percent of original size [2020-12-23 01:26:32,890 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 70 treesize of output 209 [2020-12-23 01:26:32,895 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:33,034 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-12-23 01:26:33,035 INFO L625 ElimStorePlain]: treesize reduction 96, result has 43.2 percent of original size [2020-12-23 01:26:33,036 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:33,036 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2020-12-23 01:26:33,873 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2020-12-23 01:26:33,875 INFO L348 Elim1Store]: treesize reduction 292, result has 39.3 percent of original size [2020-12-23 01:26:33,875 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 86 treesize of output 228 [2020-12-23 01:26:33,880 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:34,052 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-12-23 01:26:34,053 INFO L625 ElimStorePlain]: treesize reduction 96, result has 48.1 percent of original size [2020-12-23 01:26:34,054 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:34,055 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:89 [2020-12-23 01:26:34,763 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 40 [2020-12-23 01:26:34,764 INFO L348 Elim1Store]: treesize reduction 434, result has 12.9 percent of original size [2020-12-23 01:26:34,765 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 77 treesize of output 94 [2020-12-23 01:26:34,767 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:34,812 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:34,813 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:34,813 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:80 [2020-12-23 01:26:35,285 INFO L348 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2020-12-23 01:26:35,286 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 84 treesize of output 104 [2020-12-23 01:26:35,289 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:35,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:35,346 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:35,347 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2020-12-23 01:26:36,209 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 62 [2020-12-23 01:26:36,210 INFO L348 Elim1Store]: treesize reduction 336, result has 25.2 percent of original size [2020-12-23 01:26:36,211 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 105 treesize of output 232 [2020-12-23 01:26:36,218 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:36,388 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-12-23 01:26:36,389 INFO L625 ElimStorePlain]: treesize reduction 162, result has 37.7 percent of original size [2020-12-23 01:26:36,390 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:36,391 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:98 [2020-12-23 01:26:37,480 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 97 [2020-12-23 01:26:37,482 INFO L348 Elim1Store]: treesize reduction 353, result has 39.8 percent of original size [2020-12-23 01:26:37,482 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 114 treesize of output 364 [2020-12-23 01:26:37,491 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:37,726 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2020-12-23 01:26:37,728 INFO L625 ElimStorePlain]: treesize reduction 386, result has 22.0 percent of original size [2020-12-23 01:26:37,729 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:37,730 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:109 [2020-12-23 01:26:38,589 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 62 [2020-12-23 01:26:38,590 INFO L348 Elim1Store]: treesize reduction 336, result has 25.2 percent of original size [2020-12-23 01:26:38,590 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 119 treesize of output 234 [2020-12-23 01:26:38,597 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:38,764 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-12-23 01:26:38,765 INFO L625 ElimStorePlain]: treesize reduction 174, result has 39.4 percent of original size [2020-12-23 01:26:38,767 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:38,767 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:113 [2020-12-23 01:26:39,894 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 97 [2020-12-23 01:26:39,896 INFO L348 Elim1Store]: treesize reduction 353, result has 39.8 percent of original size [2020-12-23 01:26:39,896 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 129 treesize of output 367 [2020-12-23 01:26:39,906 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:40,178 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2020-12-23 01:26:40,179 INFO L625 ElimStorePlain]: treesize reduction 355, result has 27.6 percent of original size [2020-12-23 01:26:40,181 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:40,181 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:135 [2020-12-23 01:26:41,283 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 97 [2020-12-23 01:26:41,284 INFO L348 Elim1Store]: treesize reduction 353, result has 39.8 percent of original size [2020-12-23 01:26:41,285 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 129 treesize of output 367 [2020-12-23 01:26:41,295 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:41,531 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 57 [2020-12-23 01:26:41,532 INFO L625 ElimStorePlain]: treesize reduction 342, result has 25.8 percent of original size [2020-12-23 01:26:41,534 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:41,534 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:139, output treesize:119 [2020-12-23 01:26:42,425 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 62 [2020-12-23 01:26:42,426 INFO L348 Elim1Store]: treesize reduction 336, result has 25.2 percent of original size [2020-12-23 01:26:42,427 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 127 treesize of output 236 [2020-12-23 01:26:42,433 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:42,612 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 58 [2020-12-23 01:26:42,613 INFO L625 ElimStorePlain]: treesize reduction 189, result has 40.6 percent of original size [2020-12-23 01:26:42,614 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:42,615 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:129 [2020-12-23 01:26:43,759 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 97 [2020-12-23 01:26:43,760 INFO L348 Elim1Store]: treesize reduction 353, result has 39.8 percent of original size [2020-12-23 01:26:43,760 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 146 treesize of output 371 [2020-12-23 01:26:43,772 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,059 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 55 [2020-12-23 01:26:44,061 INFO L625 ElimStorePlain]: treesize reduction 315, result has 27.9 percent of original size [2020-12-23 01:26:44,063 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,063 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:156, output treesize:122 [2020-12-23 01:26:44,664 INFO L348 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2020-12-23 01:26:44,665 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 125 treesize of output 113 [2020-12-23 01:26:44,668 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,720 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:44,724 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:44,725 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:93 [2020-12-23 01:26:45,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:45,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:45,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:45,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:45,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:45,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:45,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:45,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:45,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:45,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:45,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:45,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:45,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:26:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:45,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:45,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 37] total 76 [2020-12-23 01:26:45,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560437629] [2020-12-23 01:26:45,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 76 states [2020-12-23 01:26:45,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:45,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2020-12-23 01:26:45,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=5171, Unknown=0, NotChecked=0, Total=5700 [2020-12-23 01:26:45,312 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 76 states. [2020-12-23 01:26:48,044 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-12-23 01:26:48,777 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2020-12-23 01:26:49,532 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2020-12-23 01:26:49,889 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2020-12-23 01:26:50,328 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2020-12-23 01:26:50,684 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-12-23 01:26:51,186 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 54 [2020-12-23 01:26:51,579 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-12-23 01:26:52,283 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 62 [2020-12-23 01:26:52,494 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-12-23 01:26:52,784 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2020-12-23 01:26:53,135 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 53 [2020-12-23 01:26:53,495 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 56 [2020-12-23 01:26:53,895 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-12-23 01:26:54,320 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 61 [2020-12-23 01:26:54,722 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 57 [2020-12-23 01:26:55,161 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 57 [2020-12-23 01:26:55,580 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 60 [2020-12-23 01:26:56,182 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 61 [2020-12-23 01:26:56,688 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 61 [2020-12-23 01:26:57,181 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 58 [2020-12-23 01:26:57,716 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2020-12-23 01:26:58,204 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 61 [2020-12-23 01:26:58,715 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 57 [2020-12-23 01:26:59,144 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 55 [2020-12-23 01:26:59,747 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 53 [2020-12-23 01:27:00,222 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2020-12-23 01:27:00,628 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 55 [2020-12-23 01:27:01,036 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 54 [2020-12-23 01:27:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:01,175 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2020-12-23 01:27:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-23 01:27:01,177 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 56 [2020-12-23 01:27:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:01,178 INFO L225 Difference]: With dead ends: 66 [2020-12-23 01:27:01,178 INFO L226 Difference]: Without dead ends: 62 [2020-12-23 01:27:01,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3953 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=1357, Invalid=11753, Unknown=0, NotChecked=0, Total=13110 [2020-12-23 01:27:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-23 01:27:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-12-23 01:27:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-23 01:27:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-12-23 01:27:01,194 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 56 [2020-12-23 01:27:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:01,195 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-12-23 01:27:01,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 76 states. [2020-12-23 01:27:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-12-23 01:27:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 01:27:01,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:01,196 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:01,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 01:27:01,410 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:01,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:01,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1769776755, now seen corresponding path program 14 times [2020-12-23 01:27:01,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:01,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721893158] [2020-12-23 01:27:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 120 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:27:02,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721893158] [2020-12-23 01:27:02,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176281733] [2020-12-23 01:27:02,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:02,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:27:02,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:02,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-23 01:27:02,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 145 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:27:03,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:03,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2020-12-23 01:27:03,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769278861] [2020-12-23 01:27:03,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-23 01:27:03,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:03,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-23 01:27:03,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=853, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:27:03,125 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 34 states. [2020-12-23 01:27:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:04,194 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-12-23 01:27:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 01:27:04,197 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 59 [2020-12-23 01:27:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:04,197 INFO L225 Difference]: With dead ends: 101 [2020-12-23 01:27:04,197 INFO L226 Difference]: Without dead ends: 65 [2020-12-23 01:27:04,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=454, Invalid=1438, Unknown=0, NotChecked=0, Total=1892 [2020-12-23 01:27:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-23 01:27:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2020-12-23 01:27:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-23 01:27:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-12-23 01:27:04,210 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 59 [2020-12-23 01:27:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:04,210 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-12-23 01:27:04,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-23 01:27:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-12-23 01:27:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 01:27:04,211 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:04,211 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:04,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:04,412 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:04,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:04,412 INFO L82 PathProgramCache]: Analyzing trace with hash -680008369, now seen corresponding path program 15 times [2020-12-23 01:27:04,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:04,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510651551] [2020-12-23 01:27:04,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:05,338 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-12-23 01:27:05,523 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2020-12-23 01:27:05,685 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-12-23 01:27:05,865 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-12-23 01:27:06,056 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-12-23 01:27:06,247 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-12-23 01:27:06,452 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-12-23 01:27:06,665 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2020-12-23 01:27:06,857 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 01:27:07,073 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-12-23 01:27:07,365 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2020-12-23 01:27:07,652 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-12-23 01:27:07,928 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-23 01:27:08,209 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-12-23 01:27:08,456 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-12-23 01:27:08,703 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-23 01:27:08,967 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-23 01:27:09,241 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:27:09,499 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-12-23 01:27:09,763 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-12-23 01:27:10,029 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-12-23 01:27:10,449 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-12-23 01:27:10,870 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-23 01:27:11,160 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-12-23 01:27:11,451 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-23 01:27:11,739 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-23 01:27:12,054 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-23 01:27:12,366 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-23 01:27:12,688 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-23 01:27:12,998 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-23 01:27:13,302 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2020-12-23 01:27:13,630 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-12-23 01:27:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:27:14,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510651551] [2020-12-23 01:27:14,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623470197] [2020-12-23 01:27:14,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:15,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2020-12-23 01:27:15,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:15,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-23 01:27:15,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:15,497 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:27:15,501 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:15,520 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:15,521 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:15,521 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 01:27:15,872 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 17 treesize of output 13 [2020-12-23 01:27:15,873 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:15,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:15,902 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:15,902 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 01:27:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:16,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2020-12-23 01:27:16,298 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:16,331 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:16,333 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:16,333 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-12-23 01:27:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:16,757 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 36 treesize of output 38 [2020-12-23 01:27:16,760 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:16,797 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:16,798 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:16,799 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2020-12-23 01:27:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,247 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 41 treesize of output 46 [2020-12-23 01:27:17,250 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:17,285 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:17,287 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:17,287 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2020-12-23 01:27:17,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:27:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,685 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:17,685 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 54 treesize of output 94 [2020-12-23 01:27:17,690 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,977 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-23 01:27:17,978 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:17,978 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 190 [2020-12-23 01:27:17,983 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:18,039 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 56 treesize of output 64 [2020-12-23 01:27:18,042 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,642 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-12-23 01:27:18,643 INFO L625 ElimStorePlain]: treesize reduction 120, result has 62.5 percent of original size [2020-12-23 01:27:18,645 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 01:27:18,645 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:212, output treesize:200 [2020-12-23 01:27:19,109 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-23 01:27:19,657 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-23 01:27:19,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:19,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:19,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 01:27:19,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,870 INFO L244 Elim1Store]: Index analysis took 184 ms [2020-12-23 01:27:19,903 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 72 treesize of output 83 [2020-12-23 01:27:19,906 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,090 INFO L244 Elim1Store]: Index analysis took 169 ms [2020-12-23 01:27:20,181 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:20,182 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 128 [2020-12-23 01:27:20,185 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:20,201 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,349 INFO L244 Elim1Store]: Index analysis took 134 ms [2020-12-23 01:27:20,374 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 72 treesize of output 83 [2020-12-23 01:27:20,377 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,508 INFO L244 Elim1Store]: Index analysis took 117 ms [2020-12-23 01:27:20,538 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 72 treesize of output 83 [2020-12-23 01:27:20,542 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:20,721 INFO L244 Elim1Store]: Index analysis took 164 ms [2020-12-23 01:27:21,023 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-23 01:27:21,024 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:21,025 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 269 [2020-12-23 01:27:21,033 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,191 INFO L244 Elim1Store]: Index analysis took 144 ms [2020-12-23 01:27:21,275 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:21,276 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 128 [2020-12-23 01:27:21,280 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:21,298 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:21,377 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 74 treesize of output 85 [2020-12-23 01:27:21,381 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:22,938 WARN L197 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2020-12-23 01:27:22,939 INFO L625 ElimStorePlain]: treesize reduction 515, result has 40.5 percent of original size [2020-12-23 01:27:22,942 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-12-23 01:27:22,943 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:847, output treesize:351 [2020-12-23 01:27:23,714 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-23 01:27:24,499 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-23 01:27:24,508 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 01:27:24,509 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:24,511 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:24,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:24,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:24,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,827 INFO L244 Elim1Store]: Index analysis took 288 ms [2020-12-23 01:27:24,891 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 104 [2020-12-23 01:27:24,895 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,221 INFO L244 Elim1Store]: Index analysis took 308 ms [2020-12-23 01:27:25,357 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:25,358 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 162 [2020-12-23 01:27:25,363 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,401 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,580 INFO L244 Elim1Store]: Index analysis took 200 ms [2020-12-23 01:27:25,618 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 93 [2020-12-23 01:27:25,623 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:25,638 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,852 INFO L244 Elim1Store]: Index analysis took 194 ms [2020-12-23 01:27:25,886 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 104 [2020-12-23 01:27:25,889 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,118 INFO L244 Elim1Store]: Index analysis took 212 ms [2020-12-23 01:27:26,465 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 01:27:26,466 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:26,467 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 86 treesize of output 316 [2020-12-23 01:27:26,474 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:26,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:26,492 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,746 INFO L244 Elim1Store]: Index analysis took 239 ms [2020-12-23 01:27:26,786 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 104 [2020-12-23 01:27:26,792 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:26,979 INFO L244 Elim1Store]: Index analysis took 167 ms [2020-12-23 01:27:27,014 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 104 [2020-12-23 01:27:27,018 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:27,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:27,036 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:27,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:27,051 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:27,180 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 106 [2020-12-23 01:27:27,186 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:28,946 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2020-12-23 01:27:28,947 INFO L625 ElimStorePlain]: treesize reduction 542, result has 53.9 percent of original size [2020-12-23 01:27:28,951 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-12-23 01:27:28,951 INFO L244 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:1379, output treesize:633 [2020-12-23 01:27:30,167 WARN L197 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 01:27:31,453 WARN L197 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 01:27:31,466 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-23 01:27:31,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:31,468 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:31,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:31,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 01:27:31,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:31,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:27:31,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,505 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,519 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,534 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,558 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,576 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:31,592 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:31,937 INFO L244 Elim1Store]: Index analysis took 328 ms [2020-12-23 01:27:32,067 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:32,067 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 102 treesize of output 196 [2020-12-23 01:27:32,073 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,142 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,316 INFO L244 Elim1Store]: Index analysis took 221 ms [2020-12-23 01:27:32,353 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 106 treesize of output 114 [2020-12-23 01:27:32,358 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,402 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:32,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,457 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,493 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:32,589 INFO L244 Elim1Store]: Index analysis took 211 ms [2020-12-23 01:27:32,621 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 105 [2020-12-23 01:27:32,626 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,722 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,856 INFO L244 Elim1Store]: Index analysis took 193 ms [2020-12-23 01:27:32,894 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 95 treesize of output 100 [2020-12-23 01:27:32,899 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,215 INFO L244 Elim1Store]: Index analysis took 299 ms [2020-12-23 01:27:33,258 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 125 [2020-12-23 01:27:33,262 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,568 INFO L244 Elim1Store]: Index analysis took 286 ms [2020-12-23 01:27:33,884 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-23 01:27:33,885 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:33,885 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 102 treesize of output 348 [2020-12-23 01:27:33,894 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,236 INFO L244 Elim1Store]: Index analysis took 323 ms [2020-12-23 01:27:34,302 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 125 [2020-12-23 01:27:34,306 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,592 INFO L244 Elim1Store]: Index analysis took 261 ms [2020-12-23 01:27:34,639 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 125 [2020-12-23 01:27:34,643 INFO L547 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:34,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:34,663 INFO L547 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,888 INFO L244 Elim1Store]: Index analysis took 206 ms [2020-12-23 01:27:34,925 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 125 [2020-12-23 01:27:34,929 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:34,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:35,264 INFO L244 Elim1Store]: Index analysis took 315 ms [2020-12-23 01:27:35,311 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 125 [2020-12-23 01:27:35,316 INFO L547 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:35,330 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:35,333 INFO L547 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:39,216 WARN L197 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2020-12-23 01:27:39,218 INFO L625 ElimStorePlain]: treesize reduction 755, result has 52.3 percent of original size [2020-12-23 01:27:39,226 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-12-23 01:27:39,227 INFO L244 ElimStorePlain]: Needed 19 recursive calls to eliminate 1 variables, input treesize:2383, output treesize:827 [2020-12-23 01:27:41,255 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 01:27:43,267 WARN L197 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 01:27:43,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:43,281 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-23 01:27:43,283 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-23 01:27:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,416 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,441 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,614 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:43,716 INFO L244 Elim1Store]: Index analysis took 395 ms [2020-12-23 01:27:43,770 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 124 [2020-12-23 01:27:43,776 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,266 INFO L244 Elim1Store]: Index analysis took 473 ms [2020-12-23 01:27:44,327 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 142 [2020-12-23 01:27:44,331 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,440 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:44,577 INFO L244 Elim1Store]: Index analysis took 220 ms [2020-12-23 01:27:44,615 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2020-12-23 01:27:44,621 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:44,642 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:44,670 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,201 INFO L244 Elim1Store]: Index analysis took 512 ms [2020-12-23 01:27:45,397 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-23 01:27:45,399 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:45,399 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 32 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 228 [2020-12-23 01:27:45,406 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,113 INFO L244 Elim1Store]: Index analysis took 681 ms [2020-12-23 01:27:46,223 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 144 [2020-12-23 01:27:46,228 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:46,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:46,253 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:46,867 INFO L244 Elim1Store]: Index analysis took 595 ms [2020-12-23 01:27:46,950 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 142 [2020-12-23 01:27:46,954 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:46,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:46,973 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,100 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,452 INFO L244 Elim1Store]: Index analysis took 450 ms [2020-12-23 01:27:47,505 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 122 treesize of output 133 [2020-12-23 01:27:47,510 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:47,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,160 INFO L244 Elim1Store]: Index analysis took 629 ms [2020-12-23 01:27:48,262 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 144 [2020-12-23 01:27:48,268 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:48,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:48,287 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,862 INFO L244 Elim1Store]: Index analysis took 552 ms [2020-12-23 01:27:48,929 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 144 [2020-12-23 01:27:48,933 INFO L547 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:48,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,424 INFO L244 Elim1Store]: Index analysis took 470 ms [2020-12-23 01:27:49,799 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 01:27:49,800 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:49,801 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 116 treesize of output 363 [2020-12-23 01:27:49,809 INFO L547 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:49,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:49,831 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:49,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:49,854 INFO L547 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,985 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:27:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:27:50,275 INFO L244 Elim1Store]: Index analysis took 401 ms [2020-12-23 01:27:50,327 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 111 treesize of output 119 [2020-12-23 01:27:50,334 INFO L547 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:50,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:50,363 INFO L547 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:50,379 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-23 01:27:50,381 INFO L547 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:55,493 WARN L197 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 143 DAG size of output: 91 [2020-12-23 01:27:55,495 INFO L625 ElimStorePlain]: treesize reduction 844, result has 55.3 percent of original size [2020-12-23 01:27:55,500 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2020-12-23 01:27:55,500 INFO L244 ElimStorePlain]: Needed 21 recursive calls to eliminate 1 variables, input treesize:2894, output treesize:1045 [2020-12-23 01:27:58,314 WARN L197 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 91 [2020-12-23 01:27:58,327 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-23 01:28:03,351 WARN L197 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 456 [2020-12-23 01:28:03,464 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-23 01:28:07,215 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 455 DAG size of output: 325 [2020-12-23 01:28:11,036 WARN L197 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-12-23 01:28:11,638 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-23 01:28:12,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,902 INFO L244 Elim1Store]: Index analysis took 574 ms [2020-12-23 01:28:13,303 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:28:13,304 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:13,305 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 225 treesize of output 668 [2020-12-23 01:28:13,316 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,567 INFO L244 Elim1Store]: Index analysis took 218 ms [2020-12-23 01:28:13,619 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 210 treesize of output 224 [2020-12-23 01:28:13,624 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,039 INFO L244 Elim1Store]: Index analysis took 380 ms [2020-12-23 01:28:14,100 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 169 treesize of output 189 [2020-12-23 01:28:14,104 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,572 INFO L244 Elim1Store]: Index analysis took 434 ms [2020-12-23 01:28:14,633 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 237 treesize of output 260 [2020-12-23 01:28:14,641 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,815 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 158 treesize of output 175 [2020-12-23 01:28:14,819 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:17,970 WARN L197 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 404 DAG size of output: 357 [2020-12-23 01:28:17,976 INFO L625 ElimStorePlain]: treesize reduction 669, result has 72.8 percent of original size [2020-12-23 01:28:18,158 INFO L547 ElimStorePlain]: Start of recursive call 1: 26 dim-0 vars, 1 dim-2 vars, End of recursive call: 26 dim-0 vars, and 5 xjuncts. [2020-12-23 01:28:18,159 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 27 variables, input treesize:1812, output treesize:1792