/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-tiling/nr5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 00:30:49,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 00:30:49,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 00:30:49,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 00:30:49,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 00:30:49,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 00:30:49,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 00:30:49,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 00:30:49,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 00:30:49,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 00:30:49,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 00:30:49,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 00:30:49,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 00:30:49,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 00:30:49,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 00:30:49,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 00:30:49,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 00:30:49,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 00:30:49,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 00:30:49,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 00:30:49,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 00:30:49,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 00:30:49,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 00:30:49,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 00:30:49,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 00:30:49,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 00:30:49,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 00:30:49,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 00:30:49,341 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 00:30:49,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 00:30:49,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 00:30:49,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 00:30:49,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 00:30:49,390 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 00:30:49,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 00:30:49,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 00:30:49,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 00:30:49,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 00:30:49,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 00:30:49,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 00:30:49,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 00:30:49,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 00:30:49,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 00:30:49,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 00:30:49,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 00:30:49,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 00:30:49,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 00:30:49,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 00:30:49,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 00:30:49,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 00:30:49,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 00:30:49,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 00:30:49,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 00:30:49,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 00:30:49,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 00:30:49,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 00:30:49,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 00:30:49,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 00:30:49,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 00:30:49,867 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 00:30:49,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/nr5.c [2020-12-23 00:30:49,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3df0b188c/422d900310f34c5aa8eea1263466bace/FLAGf68eaccbc [2020-12-23 00:30:50,620 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 00:30:50,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-tiling/nr5.c [2020-12-23 00:30:50,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3df0b188c/422d900310f34c5aa8eea1263466bace/FLAGf68eaccbc [2020-12-23 00:30:50,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3df0b188c/422d900310f34c5aa8eea1263466bace [2020-12-23 00:30:50,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 00:30:51,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 00:30:51,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 00:30:51,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 00:30:51,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 00:30:51,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:30:50" (1/1) ... [2020-12-23 00:30:51,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5f7ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51, skipping insertion in model container [2020-12-23 00:30:51,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:30:50" (1/1) ... [2020-12-23 00:30:51,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 00:30:51,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 00:30:51,232 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-tiling/nr5.c[394,407] left hand side expression in assignment: lhs: VariableLHS[~CELLCOUNT~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~volArray~0,],[BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMUL,IntegerLiteral[5],IdentifierExpression[~i~0,]],IdentifierExpression[~j~0,]]]] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~volArray~0,],[BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMUL,IntegerLiteral[5],IdentifierExpression[~i~0,]],IdentifierExpression[~j~0,]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] [2020-12-23 00:30:51,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 00:30:51,275 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 00:30:51,291 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-tiling/nr5.c[394,407] left hand side expression in assignment: lhs: VariableLHS[~CELLCOUNT~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#volArray~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#volArray~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMUL,IntegerLiteral[5],IdentifierExpression[~i~0,]],IdentifierExpression[~j~0,]]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#volArray~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#volArray~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMUL,IntegerLiteral[5],IdentifierExpression[~i~0,]],IdentifierExpression[~j~0,]]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] [2020-12-23 00:30:51,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 00:30:51,317 INFO L208 MainTranslator]: Completed translation [2020-12-23 00:30:51,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51 WrapperNode [2020-12-23 00:30:51,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 00:30:51,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 00:30:51,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 00:30:51,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 00:30:51,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 00:30:51,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 00:30:51,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 00:30:51,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 00:30:51,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (1/1) ... [2020-12-23 00:30:51,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 00:30:51,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 00:30:51,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 00:30:51,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 00:30:51,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (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 00:30:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 00:30:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 00:30:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 00:30:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 00:30:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 00:30:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 00:30:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 00:30:51,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 00:30:51,980 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-23 00:30:51,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:30:51 BoogieIcfgContainer [2020-12-23 00:30:51,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 00:30:51,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 00:30:51,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 00:30:52,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 00:30:52,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:30:50" (1/3) ... [2020-12-23 00:30:52,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161ac9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:30:52, skipping insertion in model container [2020-12-23 00:30:52,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:30:51" (2/3) ... [2020-12-23 00:30:52,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161ac9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:30:52, skipping insertion in model container [2020-12-23 00:30:52,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:30:51" (3/3) ... [2020-12-23 00:30:52,006 INFO L111 eAbstractionObserver]: Analyzing ICFG nr5.c [2020-12-23 00:30:52,022 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 00:30:52,032 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 00:30:52,075 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 00:30:52,107 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 00:30:52,107 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 00:30:52,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 00:30:52,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 00:30:52,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 00:30:52,108 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 00:30:52,108 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 00:30:52,108 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 00:30:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-12-23 00:30:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 00:30:52,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:52,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:52,128 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:52,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:52,135 INFO L82 PathProgramCache]: Analyzing trace with hash -405965127, now seen corresponding path program 1 times [2020-12-23 00:30:52,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:52,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973861311] [2020-12-23 00:30:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:52,322 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 00:30:52,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973861311] [2020-12-23 00:30:52,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:30:52,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 00:30:52,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490639108] [2020-12-23 00:30:52,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 00:30:52,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:52,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 00:30:52,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 00:30:52,356 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-12-23 00:30:52,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:52,376 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-12-23 00:30:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 00:30:52,378 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-23 00:30:52,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:52,388 INFO L225 Difference]: With dead ends: 45 [2020-12-23 00:30:52,389 INFO L226 Difference]: Without dead ends: 20 [2020-12-23 00:30:52,392 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 00:30:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-23 00:30:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-23 00:30:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-23 00:30:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-12-23 00:30:52,430 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2020-12-23 00:30:52,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:52,431 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-12-23 00:30:52,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 00:30:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-12-23 00:30:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 00:30:52,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:52,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:52,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 00:30:52,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:52,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:52,434 INFO L82 PathProgramCache]: Analyzing trace with hash 274093243, now seen corresponding path program 1 times [2020-12-23 00:30:52,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:52,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137442223] [2020-12-23 00:30:52,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:52,545 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 00:30:52,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137442223] [2020-12-23 00:30:52,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:30:52,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 00:30:52,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921915266] [2020-12-23 00:30:52,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 00:30:52,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:52,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 00:30:52,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 00:30:52,551 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 4 states. [2020-12-23 00:30:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:52,646 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-12-23 00:30:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 00:30:52,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-23 00:30:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:52,649 INFO L225 Difference]: With dead ends: 29 [2020-12-23 00:30:52,650 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 00:30:52,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 00:30:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 00:30:52,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-12-23 00:30:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-23 00:30:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-12-23 00:30:52,664 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2020-12-23 00:30:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:52,665 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-12-23 00:30:52,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 00:30:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-12-23 00:30:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 00:30:52,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:52,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:52,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 00:30:52,668 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:52,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:52,671 INFO L82 PathProgramCache]: Analyzing trace with hash 274152825, now seen corresponding path program 1 times [2020-12-23 00:30:52,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:52,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782774882] [2020-12-23 00:30:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:52,872 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 00:30:52,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782774882] [2020-12-23 00:30:52,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:30:52,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 00:30:52,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39377209] [2020-12-23 00:30:52,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 00:30:52,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:52,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 00:30:52,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 00:30:52,876 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-12-23 00:30:52,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:52,940 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-12-23 00:30:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 00:30:52,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 00:30:52,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:52,941 INFO L225 Difference]: With dead ends: 38 [2020-12-23 00:30:52,942 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 00:30:52,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 00:30:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 00:30:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2020-12-23 00:30:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-23 00:30:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-12-23 00:30:52,947 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2020-12-23 00:30:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:52,948 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-12-23 00:30:52,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 00:30:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-12-23 00:30:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 00:30:52,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:52,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:52,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 00:30:52,949 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:52,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:52,950 INFO L82 PathProgramCache]: Analyzing trace with hash -715167033, now seen corresponding path program 1 times [2020-12-23 00:30:52,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:52,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392923200] [2020-12-23 00:30:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:52,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392923200] [2020-12-23 00:30:52,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:30:52,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 00:30:52,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528571479] [2020-12-23 00:30:52,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 00:30:52,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:52,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 00:30:52,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 00:30:52,996 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 3 states. [2020-12-23 00:30:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:53,030 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2020-12-23 00:30:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 00:30:53,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-23 00:30:53,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:53,031 INFO L225 Difference]: With dead ends: 42 [2020-12-23 00:30:53,032 INFO L226 Difference]: Without dead ends: 26 [2020-12-23 00:30:53,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 00:30:53,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-23 00:30:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-12-23 00:30:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-23 00:30:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-12-23 00:30:53,038 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2020-12-23 00:30:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:53,038 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-12-23 00:30:53,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 00:30:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-12-23 00:30:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 00:30:53,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:53,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:53,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 00:30:53,040 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1618667584, now seen corresponding path program 1 times [2020-12-23 00:30:53,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:53,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500074113] [2020-12-23 00:30:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:53,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500074113] [2020-12-23 00:30:53,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143017898] [2020-12-23 00:30:53,091 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 00:30:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:53,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 00:30:53,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:30:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:53,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:30:53,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-23 00:30:53,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734135635] [2020-12-23 00:30:53,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 00:30:53,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:53,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 00:30:53,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 00:30:53,257 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2020-12-23 00:30:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:53,305 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2020-12-23 00:30:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 00:30:53,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-12-23 00:30:53,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:53,307 INFO L225 Difference]: With dead ends: 46 [2020-12-23 00:30:53,307 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 00:30:53,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 00:30:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 00:30:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-12-23 00:30:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 00:30:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-12-23 00:30:53,314 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 19 [2020-12-23 00:30:53,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:53,314 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-12-23 00:30:53,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 00:30:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-23 00:30:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 00:30:53,316 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:53,316 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:53,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:30:53,530 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:53,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:53,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1955154983, now seen corresponding path program 2 times [2020-12-23 00:30:53,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:53,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464797114] [2020-12-23 00:30:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 00:30:53,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464797114] [2020-12-23 00:30:53,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 00:30:53,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 00:30:53,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970884443] [2020-12-23 00:30:53,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 00:30:53,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:53,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 00:30:53,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 00:30:53,660 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 5 states. [2020-12-23 00:30:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:53,714 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2020-12-23 00:30:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 00:30:53,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-23 00:30:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:53,715 INFO L225 Difference]: With dead ends: 49 [2020-12-23 00:30:53,715 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 00:30:53,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 00:30:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 00:30:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-12-23 00:30:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 00:30:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-12-23 00:30:53,721 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 22 [2020-12-23 00:30:53,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:53,722 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-12-23 00:30:53,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 00:30:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-12-23 00:30:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 00:30:53,723 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:53,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:53,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 00:30:53,724 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:53,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1638747735, now seen corresponding path program 1 times [2020-12-23 00:30:53,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:53,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619470741] [2020-12-23 00:30:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:53,781 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 00:30:53,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619470741] [2020-12-23 00:30:53,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71392350] [2020-12-23 00:30:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:30:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:53,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 00:30:53,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:30:53,905 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 00:30:53,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:30:53,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-23 00:30:53,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698655240] [2020-12-23 00:30:53,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 00:30:53,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:53,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 00:30:53,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 00:30:53,908 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 8 states. [2020-12-23 00:30:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:53,952 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-12-23 00:30:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 00:30:53,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-23 00:30:53,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:53,953 INFO L225 Difference]: With dead ends: 51 [2020-12-23 00:30:53,953 INFO L226 Difference]: Without dead ends: 31 [2020-12-23 00:30:53,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-23 00:30:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-23 00:30:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-12-23 00:30:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 00:30:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-12-23 00:30:53,960 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2020-12-23 00:30:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:53,960 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-12-23 00:30:53,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 00:30:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-12-23 00:30:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 00:30:53,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:53,961 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:54,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:30:54,175 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1796312990, now seen corresponding path program 2 times [2020-12-23 00:30:54,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:54,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952680323] [2020-12-23 00:30:54,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:54,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952680323] [2020-12-23 00:30:54,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704670843] [2020-12-23 00:30:54,271 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 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 00:30:54,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 00:30:54,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:30:54,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 00:30:54,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:30:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:54,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:30:54,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-12-23 00:30:54,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635779875] [2020-12-23 00:30:54,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 00:30:54,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 00:30:54,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2020-12-23 00:30:54,423 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 10 states. [2020-12-23 00:30:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:54,463 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-12-23 00:30:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 00:30:54,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-12-23 00:30:54,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:54,464 INFO L225 Difference]: With dead ends: 57 [2020-12-23 00:30:54,464 INFO L226 Difference]: Without dead ends: 34 [2020-12-23 00:30:54,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2020-12-23 00:30:54,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-23 00:30:54,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-12-23 00:30:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 00:30:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-12-23 00:30:54,470 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 25 [2020-12-23 00:30:54,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:54,471 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-12-23 00:30:54,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 00:30:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-12-23 00:30:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 00:30:54,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:54,472 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:54,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:30:54,686 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:54,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:54,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1423570167, now seen corresponding path program 3 times [2020-12-23 00:30:54,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:54,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119638981] [2020-12-23 00:30:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:54,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119638981] [2020-12-23 00:30:54,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91106045] [2020-12-23 00:30:54,765 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 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 00:30:54,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-12-23 00:30:54,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:30:54,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 00:30:54,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:30:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:54,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:30:54,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2020-12-23 00:30:54,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571682551] [2020-12-23 00:30:54,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 00:30:54,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 00:30:54,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2020-12-23 00:30:54,908 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 12 states. [2020-12-23 00:30:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:55,002 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2020-12-23 00:30:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 00:30:55,003 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2020-12-23 00:30:55,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:55,004 INFO L225 Difference]: With dead ends: 62 [2020-12-23 00:30:55,004 INFO L226 Difference]: Without dead ends: 36 [2020-12-23 00:30:55,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-12-23 00:30:55,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-23 00:30:55,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-12-23 00:30:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-23 00:30:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-12-23 00:30:55,010 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 28 [2020-12-23 00:30:55,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:55,011 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-12-23 00:30:55,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 00:30:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-12-23 00:30:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 00:30:55,012 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:55,012 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:30:55,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:30:55,226 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:30:55,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:30:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash 467409666, now seen corresponding path program 4 times [2020-12-23 00:30:55,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:30:55,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389434991] [2020-12-23 00:30:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:30:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:30:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:56,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389434991] [2020-12-23 00:30:56,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893169144] [2020-12-23 00:30:56,023 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 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 00:30:56,099 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 00:30:56,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:30:56,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-23 00:30:56,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:30:56,220 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 18 treesize of output 14 [2020-12-23 00:30:56,221 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,233 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,235 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,235 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-23 00:30:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,322 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 31 treesize of output 30 [2020-12-23 00:30:56,324 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,336 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,337 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,338 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-23 00:30:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,480 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,481 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 1 case distinctions, treesize of input 45 treesize of output 47 [2020-12-23 00:30:56,483 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,501 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,504 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 00:30:56,504 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:58 [2020-12-23 00:30:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:56,800 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,800 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 3 case distinctions, treesize of input 59 treesize of output 64 [2020-12-23 00:30:56,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:30:56,833 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:56,840 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 00:30:56,841 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:81, output treesize:77 [2020-12-23 00:30:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:30:57,128 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:57,129 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 6 case distinctions, treesize of input 60 treesize of output 68 [2020-12-23 00:30:57,134 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:30:57,159 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:30:57,172 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 00:30:57,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:84, output treesize:80 [2020-12-23 00:30:57,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:30:57,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:30:57,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:30:57,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:30:57,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 00:30:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:30:57,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:30:57,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2020-12-23 00:30:57,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842232176] [2020-12-23 00:30:57,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-23 00:30:57,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:30:57,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-23 00:30:57,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2020-12-23 00:30:57,506 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 30 states. [2020-12-23 00:30:59,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:30:59,888 INFO L93 Difference]: Finished difference Result 135 states and 153 transitions. [2020-12-23 00:30:59,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 00:30:59,889 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 31 [2020-12-23 00:30:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:30:59,890 INFO L225 Difference]: With dead ends: 135 [2020-12-23 00:30:59,890 INFO L226 Difference]: Without dead ends: 106 [2020-12-23 00:30:59,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=589, Invalid=2833, Unknown=0, NotChecked=0, Total=3422 [2020-12-23 00:30:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-23 00:30:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 59. [2020-12-23 00:30:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-23 00:30:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-12-23 00:30:59,903 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 31 [2020-12-23 00:30:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:30:59,904 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-12-23 00:30:59,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-23 00:30:59,904 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-12-23 00:30:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 00:30:59,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:30:59,905 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:00,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 00:31:00,120 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:00,121 INFO L82 PathProgramCache]: Analyzing trace with hash 594002453, now seen corresponding path program 1 times [2020-12-23 00:31:00,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:00,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481421339] [2020-12-23 00:31:00,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:00,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481421339] [2020-12-23 00:31:00,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103342562] [2020-12-23 00:31:00,727 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 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 00:31:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:00,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-23 00:31:00,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:00,890 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 18 treesize of output 14 [2020-12-23 00:31:00,891 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:00,906 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:00,909 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:00,910 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-12-23 00:31:00,996 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:00,996 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 75 [2020-12-23 00:31:00,999 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:01,026 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.0 percent of original size [2020-12-23 00:31:01,027 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:01,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-23 00:31:01,186 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:01,186 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 163 [2020-12-23 00:31:01,195 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:01,237 INFO L625 ElimStorePlain]: treesize reduction 66, result has 45.5 percent of original size [2020-12-23 00:31:01,249 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 00:31:01,250 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:55 [2020-12-23 00:31:01,396 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:01,396 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 217 [2020-12-23 00:31:01,401 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:01,472 INFO L625 ElimStorePlain]: treesize reduction 90, result has 46.7 percent of original size [2020-12-23 00:31:01,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,499 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,509 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,512 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 00:31:01,513 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:61, output treesize:79 [2020-12-23 00:31:01,515 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,515 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,517 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,522 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,527 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,739 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,867 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:01,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:01,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:01,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:01,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:01,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:02,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:02,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,025 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:02,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:02,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:02,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:02,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:02,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:02,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:02,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:02,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:02,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:04,143 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 53 [2020-12-23 00:31:04,718 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-23 00:31:04,727 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 00:31:04,983 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-23 00:31:05,000 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 6, 1] term [2020-12-23 00:31:05,000 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 00:31:05,842 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-23 00:31:05,853 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 5, 1] term [2020-12-23 00:31:05,854 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-23 00:31:06,521 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-12-23 00:31:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:06,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:31:06,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 34 [2020-12-23 00:31:06,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254338564] [2020-12-23 00:31:06,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-23 00:31:06,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:31:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-23 00:31:06,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 00:31:06,601 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 34 states. [2020-12-23 00:31:07,686 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2020-12-23 00:31:08,361 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-23 00:31:09,027 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-12-23 00:31:09,540 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-12-23 00:31:11,902 WARN L197 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2020-12-23 00:31:12,161 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2020-12-23 00:31:12,586 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2020-12-23 00:31:14,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:31:14,345 INFO L93 Difference]: Finished difference Result 145 states and 161 transitions. [2020-12-23 00:31:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-12-23 00:31:14,346 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 37 [2020-12-23 00:31:14,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:31:14,347 INFO L225 Difference]: With dead ends: 145 [2020-12-23 00:31:14,348 INFO L226 Difference]: Without dead ends: 135 [2020-12-23 00:31:14,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=859, Invalid=4691, Unknown=0, NotChecked=0, Total=5550 [2020-12-23 00:31:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-12-23 00:31:14,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 65. [2020-12-23 00:31:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-23 00:31:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2020-12-23 00:31:14,368 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 37 [2020-12-23 00:31:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:31:14,371 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2020-12-23 00:31:14,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-23 00:31:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2020-12-23 00:31:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 00:31:14,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:31:14,372 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:14,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:31:14,574 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:14,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:14,575 INFO L82 PathProgramCache]: Analyzing trace with hash 879791848, now seen corresponding path program 2 times [2020-12-23 00:31:14,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:14,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988134259] [2020-12-23 00:31:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 00:31:15,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988134259] [2020-12-23 00:31:15,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630910561] [2020-12-23 00:31:15,014 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 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 00:31:15,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 00:31:15,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:31:15,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-23 00:31:15,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:15,173 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 18 treesize of output 14 [2020-12-23 00:31:15,174 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:15,182 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:15,183 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:15,183 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-12-23 00:31:15,256 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:15,256 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 75 [2020-12-23 00:31:15,258 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:15,287 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.0 percent of original size [2020-12-23 00:31:15,288 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:15,288 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-23 00:31:15,422 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:15,423 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 128 [2020-12-23 00:31:15,426 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:15,466 INFO L625 ElimStorePlain]: treesize reduction 61, result has 42.5 percent of original size [2020-12-23 00:31:15,468 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 00:31:15,469 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:49, output treesize:45 [2020-12-23 00:31:15,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:15,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:15,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:15,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:15,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:15,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:31:15,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 32 [2020-12-23 00:31:15,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500791466] [2020-12-23 00:31:15,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-23 00:31:15,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:31:15,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-23 00:31:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2020-12-23 00:31:15,822 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 32 states. [2020-12-23 00:31:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:31:17,784 INFO L93 Difference]: Finished difference Result 136 states and 150 transitions. [2020-12-23 00:31:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-23 00:31:17,784 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 43 [2020-12-23 00:31:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:31:17,786 INFO L225 Difference]: With dead ends: 136 [2020-12-23 00:31:17,786 INFO L226 Difference]: Without dead ends: 126 [2020-12-23 00:31:17,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=552, Invalid=3230, Unknown=0, NotChecked=0, Total=3782 [2020-12-23 00:31:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-23 00:31:17,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 83. [2020-12-23 00:31:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-23 00:31:17,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2020-12-23 00:31:17,807 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 43 [2020-12-23 00:31:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:31:17,808 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2020-12-23 00:31:17,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-23 00:31:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2020-12-23 00:31:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 00:31:17,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:31:17,809 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:18,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:31:18,023 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:18,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:18,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1886597499, now seen corresponding path program 3 times [2020-12-23 00:31:18,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:18,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565285017] [2020-12-23 00:31:18,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:18,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565285017] [2020-12-23 00:31:18,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169154131] [2020-12-23 00:31:18,560 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 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 00:31:18,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 00:31:18,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:31:18,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-23 00:31:18,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:18,684 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 18 treesize of output 14 [2020-12-23 00:31:18,684 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:18,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:18,692 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:18,692 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-23 00:31:18,802 INFO L348 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2020-12-23 00:31:18,803 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2020-12-23 00:31:18,804 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:18,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:18,814 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:18,814 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2020-12-23 00:31:19,273 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:19,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:19,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:19,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 17 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-23 00:31:19,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:31:19,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2020-12-23 00:31:19,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55933706] [2020-12-23 00:31:19,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-12-23 00:31:19,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:31:19,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-12-23 00:31:19,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2020-12-23 00:31:19,329 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand 29 states. [2020-12-23 00:31:22,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:31:22,425 INFO L93 Difference]: Finished difference Result 195 states and 214 transitions. [2020-12-23 00:31:22,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-23 00:31:22,426 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 49 [2020-12-23 00:31:22,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:31:22,427 INFO L225 Difference]: With dead ends: 195 [2020-12-23 00:31:22,427 INFO L226 Difference]: Without dead ends: 185 [2020-12-23 00:31:22,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=601, Invalid=3689, Unknown=0, NotChecked=0, Total=4290 [2020-12-23 00:31:22,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-23 00:31:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 122. [2020-12-23 00:31:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 00:31:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions. [2020-12-23 00:31:22,449 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 49 [2020-12-23 00:31:22,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:31:22,450 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 135 transitions. [2020-12-23 00:31:22,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-12-23 00:31:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2020-12-23 00:31:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 00:31:22,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:31:22,452 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:22,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 00:31:22,665 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:22,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:22,666 INFO L82 PathProgramCache]: Analyzing trace with hash 883448270, now seen corresponding path program 4 times [2020-12-23 00:31:22,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:22,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846083068] [2020-12-23 00:31:22,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 30 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:22,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846083068] [2020-12-23 00:31:22,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533574429] [2020-12-23 00:31:22,943 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 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 00:31:23,016 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 00:31:23,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:31:23,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-23 00:31:23,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:23,070 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 16 treesize of output 12 [2020-12-23 00:31:23,071 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:23,078 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:23,079 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 00:31:23,079 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2020-12-23 00:31:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 26 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 00:31:23,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:31:23,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 25 [2020-12-23 00:31:23,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467007789] [2020-12-23 00:31:23,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 00:31:23,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:31:23,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 00:31:23,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-12-23 00:31:23,298 INFO L87 Difference]: Start difference. First operand 122 states and 135 transitions. Second operand 25 states. [2020-12-23 00:31:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:31:23,938 INFO L93 Difference]: Finished difference Result 187 states and 204 transitions. [2020-12-23 00:31:23,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 00:31:23,939 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 55 [2020-12-23 00:31:23,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:31:23,941 INFO L225 Difference]: With dead ends: 187 [2020-12-23 00:31:23,941 INFO L226 Difference]: Without dead ends: 185 [2020-12-23 00:31:23,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 00:31:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-23 00:31:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 122. [2020-12-23 00:31:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 00:31:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 135 transitions. [2020-12-23 00:31:23,961 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 135 transitions. Word has length 55 [2020-12-23 00:31:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:31:23,961 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 135 transitions. [2020-12-23 00:31:23,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 00:31:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2020-12-23 00:31:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 00:31:23,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:31:23,963 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:24,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 00:31:24,178 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:24,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1560590305, now seen corresponding path program 5 times [2020-12-23 00:31:24,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:24,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953013436] [2020-12-23 00:31:24,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 00:31:24,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953013436] [2020-12-23 00:31:24,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039315272] [2020-12-23 00:31:24,630 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 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 00:31:24,715 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-12-23 00:31:24,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:31:24,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 00:31:24,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 80 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-23 00:31:25,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 00:31:25,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2020-12-23 00:31:25,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170974774] [2020-12-23 00:31:25,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-12-23 00:31:25,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 00:31:25,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-12-23 00:31:25,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2020-12-23 00:31:25,168 INFO L87 Difference]: Start difference. First operand 122 states and 135 transitions. Second operand 23 states. [2020-12-23 00:31:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 00:31:25,447 INFO L93 Difference]: Finished difference Result 149 states and 164 transitions. [2020-12-23 00:31:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 00:31:25,448 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 61 [2020-12-23 00:31:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 00:31:25,451 INFO L225 Difference]: With dead ends: 149 [2020-12-23 00:31:25,452 INFO L226 Difference]: Without dead ends: 107 [2020-12-23 00:31:25,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2020-12-23 00:31:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-23 00:31:25,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-23 00:31:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-23 00:31:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2020-12-23 00:31:25,476 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 61 [2020-12-23 00:31:25,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 00:31:25,477 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2020-12-23 00:31:25,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-12-23 00:31:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2020-12-23 00:31:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 00:31:25,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 00:31:25,479 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 00:31:25,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 00:31:25,694 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 00:31:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 00:31:25,695 INFO L82 PathProgramCache]: Analyzing trace with hash -942851049, now seen corresponding path program 6 times [2020-12-23 00:31:25,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 00:31:25,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831880137] [2020-12-23 00:31:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 00:31:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 00:31:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 192 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 00:31:26,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831880137] [2020-12-23 00:31:26,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132896602] [2020-12-23 00:31:26,442 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 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 00:31:26,591 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2020-12-23 00:31:26,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 00:31:26,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-23 00:31:26,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 00:31:26,719 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 18 treesize of output 14 [2020-12-23 00:31:26,719 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:26,727 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:26,729 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 00:31:26,729 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2020-12-23 00:31:26,824 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:26,828 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 63 [2020-12-23 00:31:26,830 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:26,862 INFO L625 ElimStorePlain]: treesize reduction 30, result has 51.6 percent of original size [2020-12-23 00:31:26,863 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 00:31:26,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2020-12-23 00:31:27,019 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:27,020 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 148 [2020-12-23 00:31:27,023 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:27,069 INFO L625 ElimStorePlain]: treesize reduction 75, result has 40.5 percent of original size [2020-12-23 00:31:27,072 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 00:31:27,072 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:51 [2020-12-23 00:31:27,228 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:27,229 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 255 [2020-12-23 00:31:27,232 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:27,303 INFO L625 ElimStorePlain]: treesize reduction 122, result has 38.1 percent of original size [2020-12-23 00:31:27,306 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 00:31:27,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:75 [2020-12-23 00:31:27,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:27,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,680 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:27,681 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 152 [2020-12-23 00:31:27,688 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:27,804 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:27,805 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 328 [2020-12-23 00:31:27,812 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:28,025 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2020-12-23 00:31:28,026 INFO L625 ElimStorePlain]: treesize reduction 202, result has 47.3 percent of original size [2020-12-23 00:31:28,033 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2020-12-23 00:31:28,033 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:169, output treesize:181 [2020-12-23 00:31:28,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:28,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:28,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,713 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:28,714 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 310 [2020-12-23 00:31:28,718 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 00:31:28,846 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 00:31:28,846 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 328 [2020-12-23 00:31:28,850 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 00:31:29,143 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 96 [2020-12-23 00:31:29,144 INFO L625 ElimStorePlain]: treesize reduction 246, result has 50.2 percent of original size [2020-12-23 00:31:29,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,160 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,164 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,165 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,167 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:29,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:29,210 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,222 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:29,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:29,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,280 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,282 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,285 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,287 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2020-12-23 00:31:29,287 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:188, output treesize:448 [2020-12-23 00:31:29,292 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:29,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:29,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:29,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:29,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:29,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:29,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,356 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,386 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:29,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:29,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:29,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,753 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,760 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:30,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,792 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:30,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:30,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:30,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:30,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,826 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:30,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,836 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,839 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,843 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,847 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,850 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:30,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:30,912 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:30,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:30,953 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,955 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:30,960 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:30,963 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:30,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:30,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:30,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:30,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:30,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:30,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,001 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,043 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 00:31:31,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,135 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 00:31:31,146 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:31,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,210 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 00:31:31,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:31,285 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:31,294 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 00:31:31,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:31,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-23 00:31:31,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 00:31:31,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-12-23 00:31:31,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 00:31:31,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 00:31:31,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,517 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,536 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,565 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,596 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,597 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 00:31:31,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,654 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,684 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 00:31:31,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 00:31:31,706 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 00:31:31,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,739 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,754 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,756 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 00:31:31,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 00:31:31,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 00:31:31,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-23 00:31:31,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,794 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,811 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,813 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,822 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,825 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,827 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:31:31,831 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 00:31:31,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 00:31:31,958 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:32,160 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:32,259 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:32,344 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:32,477 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:31:32,673 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-23 00:32:23,945 WARN L197 SmtUtils]: Spent 42.95 s on a formula simplification. DAG size of input: 478 DAG size of output: 271 [2020-12-23 00:32:24,021 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-23 00:32:55,439 WARN L197 SmtUtils]: Spent 25.69 s on a formula simplification. DAG size of input: 346 DAG size of output: 75 [2020-12-23 00:33:15,865 WARN L197 SmtUtils]: Spent 16.09 s on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 00:33:40,361 WARN L197 SmtUtils]: Spent 18.06 s on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 00:34:00,783 WARN L197 SmtUtils]: Spent 16.11 s on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 00:34:21,281 WARN L197 SmtUtils]: Spent 16.20 s on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 00:34:44,076 WARN L197 SmtUtils]: Spent 20.19 s on a formula simplification that was a NOOP. DAG size: 79 [2020-12-23 00:34:44,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 00:35:10,152 WARN L197 SmtUtils]: Spent 21.62 s on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 00:35:10,159 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-23 00:35:10,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts