java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/simple_if.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 05:57:11,485 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 05:57:11,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 05:57:11,499 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 05:57:11,500 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 05:57:11,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 05:57:11,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 05:57:11,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 05:57:11,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 05:57:11,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 05:57:11,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 05:57:11,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 05:57:11,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 05:57:11,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 05:57:11,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 05:57:11,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 05:57:11,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 05:57:11,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 05:57:11,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 05:57:11,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 05:57:11,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 05:57:11,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 05:57:11,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 05:57:11,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 05:57:11,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 05:57:11,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 05:57:11,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 05:57:11,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 05:57:11,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 05:57:11,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 05:57:11,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 05:57:11,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 05:57:11,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 05:57:11,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 05:57:11,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 05:57:11,537 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 05:57:11,551 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 05:57:11,551 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 05:57:11,552 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 05:57:11,552 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 05:57:11,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 05:57:11,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 05:57:11,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 05:57:11,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 05:57:11,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 05:57:11,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 05:57:11,554 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 05:57:11,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 05:57:11,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 05:57:11,555 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 05:57:11,555 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 05:57:11,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 05:57:11,556 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 05:57:11,557 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 05:57:11,557 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 05:57:11,607 INFO ]: Repository-Root is: /tmp [2018-06-22 05:57:11,623 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 05:57:11,627 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 05:57:11,629 INFO ]: Initializing SmtParser... [2018-06-22 05:57:11,629 INFO ]: SmtParser initialized [2018-06-22 05:57:11,630 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/simple_if.c.smt2 [2018-06-22 05:57:11,631 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 05:57:11,721 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/simple_if.c.smt2 unknown [2018-06-22 05:57:11,984 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/simple_if.c.smt2 [2018-06-22 05:57:11,990 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 05:57:11,996 INFO ]: Walking toolchain with 4 elements. [2018-06-22 05:57:11,997 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 05:57:11,997 INFO ]: Initializing ChcToBoogie... [2018-06-22 05:57:11,997 INFO ]: ChcToBoogie initialized [2018-06-22 05:57:12,001 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:57:11" (1/1) ... [2018-06-22 05:57:12,051 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12 Unit [2018-06-22 05:57:12,051 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 05:57:12,052 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 05:57:12,052 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 05:57:12,052 INFO ]: Boogie Preprocessor initialized [2018-06-22 05:57:12,072 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,072 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,081 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,081 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,085 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,087 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,099 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... [2018-06-22 05:57:12,101 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 05:57:12,101 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 05:57:12,101 INFO ]: Initializing RCFGBuilder... [2018-06-22 05:57:12,101 INFO ]: RCFGBuilder initialized [2018-06-22 05:57:12,102 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 05:57:12,119 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 05:57:12,119 INFO ]: Found specification of procedure gotoProc [2018-06-22 05:57:12,119 INFO ]: Found implementation of procedure gotoProc [2018-06-22 05:57:12,119 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 05:57:12,119 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 05:57:12,119 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 05:57:12,396 INFO ]: Using library mode [2018-06-22 05:57:12,397 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:57:12 BoogieIcfgContainer [2018-06-22 05:57:12,397 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 05:57:12,398 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 05:57:12,398 INFO ]: Initializing TraceAbstraction... [2018-06-22 05:57:12,409 INFO ]: TraceAbstraction initialized [2018-06-22 05:57:12,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:57:11" (1/3) ... [2018-06-22 05:57:12,410 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2a2eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:57:12, skipping insertion in model container [2018-06-22 05:57:12,410 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:57:12" (2/3) ... [2018-06-22 05:57:12,410 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2a2eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:57:12, skipping insertion in model container [2018-06-22 05:57:12,410 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:57:12" (3/3) ... [2018-06-22 05:57:12,412 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 05:57:12,423 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 05:57:12,436 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 05:57:12,478 INFO ]: Using default assertion order modulation [2018-06-22 05:57:12,479 INFO ]: Interprodecural is true [2018-06-22 05:57:12,479 INFO ]: Hoare is false [2018-06-22 05:57:12,479 INFO ]: Compute interpolants for FPandBP [2018-06-22 05:57:12,479 INFO ]: Backedges is TWOTRACK [2018-06-22 05:57:12,479 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 05:57:12,479 INFO ]: Difference is false [2018-06-22 05:57:12,479 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 05:57:12,479 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 05:57:12,494 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 05:57:12,505 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 05:57:12,505 INFO ]: Found error trace [2018-06-22 05:57:12,506 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:12,506 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:12,511 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 05:57:12,513 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:12,513 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:12,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:12,546 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:57:12,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:12,582 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:12,650 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:12,653 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 05:57:12,653 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 05:57:12,655 INFO ]: Interpolant automaton has 3 states [2018-06-22 05:57:12,666 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 05:57:12,667 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 05:57:12,669 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 05:57:12,721 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:57:12,721 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 05:57:12,721 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 05:57:12,723 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 05:57:12,723 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:57:12,731 INFO ]: With dead ends: 9 [2018-06-22 05:57:12,731 INFO ]: Without dead ends: 9 [2018-06-22 05:57:12,732 INFO ]: 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 [2018-06-22 05:57:12,745 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 05:57:12,758 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 05:57:12,759 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 05:57:12,760 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 05:57:12,761 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 05:57:12,761 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:57:12,761 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 05:57:12,761 INFO ]: Interpolant automaton has 3 states. [2018-06-22 05:57:12,761 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 05:57:12,761 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 05:57:12,761 INFO ]: Found error trace [2018-06-22 05:57:12,761 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:12,761 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:12,762 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 05:57:12,762 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:12,762 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:12,762 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:12,762 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:57:12,762 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:12,784 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:12,869 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:12,869 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:57:12,869 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:57:12,876 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:57:12,924 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:12,932 INFO ]: Computing forward predicates... [2018-06-22 05:57:13,111 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:13,143 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:57:13,143 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 05:57:13,144 INFO ]: Interpolant automaton has 5 states [2018-06-22 05:57:13,144 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 05:57:13,144 INFO ]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-06-22 05:57:13,144 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 05:57:13,215 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:57:13,215 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 05:57:13,216 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 05:57:13,216 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 05:57:13,216 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:57:13,216 INFO ]: With dead ends: 11 [2018-06-22 05:57:13,216 INFO ]: Without dead ends: 11 [2018-06-22 05:57:13,217 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-06-22 05:57:13,217 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 05:57:13,218 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 05:57:13,218 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 05:57:13,219 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 05:57:13,219 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 05:57:13,219 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:57:13,219 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 05:57:13,219 INFO ]: Interpolant automaton has 5 states. [2018-06-22 05:57:13,219 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 05:57:13,219 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 05:57:13,219 INFO ]: Found error trace [2018-06-22 05:57:13,219 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:13,219 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:13,220 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 05:57:13,220 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:13,220 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:13,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:13,222 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:57:13,222 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:13,285 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:13,706 WARN ]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-06-22 05:57:13,743 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:13,743 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:57:13,743 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:57:13,750 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 05:57:13,794 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 05:57:13,794 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:13,796 INFO ]: Computing forward predicates... [2018-06-22 05:57:16,499 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:16,531 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:57:16,531 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-06-22 05:57:16,531 INFO ]: Interpolant automaton has 7 states [2018-06-22 05:57:16,532 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 05:57:16,532 INFO ]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-06-22 05:57:16,532 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2018-06-22 05:57:16,919 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-06-22 05:57:16,920 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:57:16,920 INFO ]: Finished difference Result 12 states and 12 transitions. [2018-06-22 05:57:16,920 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 05:57:16,920 INFO ]: Start accepts. Automaton has 7 states. Word has length 10 [2018-06-22 05:57:16,920 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:57:16,921 INFO ]: With dead ends: 12 [2018-06-22 05:57:16,921 INFO ]: Without dead ends: 12 [2018-06-22 05:57:16,921 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-06-22 05:57:16,921 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-22 05:57:16,922 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-22 05:57:16,922 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-22 05:57:16,923 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-06-22 05:57:16,923 INFO ]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-06-22 05:57:16,923 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:57:16,923 INFO ]: Abstraction has 12 states and 12 transitions. [2018-06-22 05:57:16,923 INFO ]: Interpolant automaton has 7 states. [2018-06-22 05:57:16,923 INFO ]: Start isEmpty. Operand 12 states and 12 transitions. [2018-06-22 05:57:16,923 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-22 05:57:16,923 INFO ]: Found error trace [2018-06-22 05:57:16,923 INFO ]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:16,924 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:16,924 INFO ]: Analyzing trace with hash -1433955954, now seen corresponding path program 3 times [2018-06-22 05:57:16,924 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:16,924 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:16,925 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:16,925 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 05:57:16,925 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:16,986 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:17,123 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:17,123 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:57:17,123 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:57:17,137 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 05:57:17,184 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-22 05:57:17,184 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:17,188 INFO ]: Computing forward predicates... [2018-06-22 05:57:26,343 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:26,380 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:57:26,380 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-06-22 05:57:26,380 INFO ]: Interpolant automaton has 9 states [2018-06-22 05:57:26,380 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 05:57:26,381 INFO ]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-06-22 05:57:26,381 INFO ]: Start difference. First operand 12 states and 12 transitions. Second operand 9 states. [2018-06-22 05:57:26,812 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:57:26,812 INFO ]: Finished difference Result 13 states and 13 transitions. [2018-06-22 05:57:26,812 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 05:57:26,812 INFO ]: Start accepts. Automaton has 9 states. Word has length 11 [2018-06-22 05:57:26,812 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:57:26,812 INFO ]: With dead ends: 13 [2018-06-22 05:57:26,812 INFO ]: Without dead ends: 13 [2018-06-22 05:57:26,813 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-06-22 05:57:26,813 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 05:57:26,814 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 05:57:26,814 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 05:57:26,818 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-06-22 05:57:26,818 INFO ]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-06-22 05:57:26,818 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:57:26,818 INFO ]: Abstraction has 13 states and 13 transitions. [2018-06-22 05:57:26,818 INFO ]: Interpolant automaton has 9 states. [2018-06-22 05:57:26,818 INFO ]: Start isEmpty. Operand 13 states and 13 transitions. [2018-06-22 05:57:26,819 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-22 05:57:26,819 INFO ]: Found error trace [2018-06-22 05:57:26,819 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:26,819 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:26,819 INFO ]: Analyzing trace with hash -1502133097, now seen corresponding path program 4 times [2018-06-22 05:57:26,819 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:26,819 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:26,820 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:26,820 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 05:57:26,820 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:26,858 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:27,087 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:27,087 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:57:27,087 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:57:27,093 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 05:57:27,133 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 05:57:27,133 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:27,136 INFO ]: Computing forward predicates... [2018-06-22 05:57:29,735 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:29,891 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:32,065 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:32,090 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:57:32,090 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2018-06-22 05:57:32,090 INFO ]: Interpolant automaton has 10 states [2018-06-22 05:57:32,090 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 05:57:32,090 INFO ]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-06-22 05:57:32,091 INFO ]: Start difference. First operand 13 states and 13 transitions. Second operand 10 states. [2018-06-22 05:57:32,397 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:57:32,397 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-22 05:57:32,397 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 05:57:32,397 INFO ]: Start accepts. Automaton has 10 states. Word has length 12 [2018-06-22 05:57:32,397 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:57:32,397 INFO ]: With dead ends: 14 [2018-06-22 05:57:32,398 INFO ]: Without dead ends: 14 [2018-06-22 05:57:32,398 INFO ]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2018-06-22 05:57:32,398 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-22 05:57:32,399 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-22 05:57:32,399 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-22 05:57:32,400 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-22 05:57:32,400 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-06-22 05:57:32,400 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:57:32,400 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-22 05:57:32,400 INFO ]: Interpolant automaton has 10 states. [2018-06-22 05:57:32,400 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-22 05:57:32,400 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 05:57:32,400 INFO ]: Found error trace [2018-06-22 05:57:32,400 INFO ]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:57:32,401 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:57:32,401 INFO ]: Analyzing trace with hash 679342766, now seen corresponding path program 5 times [2018-06-22 05:57:32,401 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:57:32,401 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:57:32,401 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:32,401 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 05:57:32,401 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:57:32,462 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:32,746 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:57:32,746 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:57:32,746 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:57:32,752 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-22 05:57:32,783 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-06-22 05:57:32,783 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:57:32,787 INFO ]: Computing forward predicates... [2018-06-22 05:57:45,076 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,091 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,095 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,098 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,102 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,104 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,106 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,110 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,112 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,113 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,121 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,125 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,128 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,134 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,141 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,145 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,294 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,299 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,307 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,311 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,315 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,319 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,330 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,335 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,342 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,352 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,357 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,365 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,383 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,391 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,437 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 05:57:45,501 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,504 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,506 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,524 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,539 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,542 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,545 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,550 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,554 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,558 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,564 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,567 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,580 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,583 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,587 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,604 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,615 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,617 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,623 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,628 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,692 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,705 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,708 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,715 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,759 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,766 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,773 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,780 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,790 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,797 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:45,828 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,846 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,925 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,929 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,934 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:45,945 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,952 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:45,958 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,971 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,979 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:45,987 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,039 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,044 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,052 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,055 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,068 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,090 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,093 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,096 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,101 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,103 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,107 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,109 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,112 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,116 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,119 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,124 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,129 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,132 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,137 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,140 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,146 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,153 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,156 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,162 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,168 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,173 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,177 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,181 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,190 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,193 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,197 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,200 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,203 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,206 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,211 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,215 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,219 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,223 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,226 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,230 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,234 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,237 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,245 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,254 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,261 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,280 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,287 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,308 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,312 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,317 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,332 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,369 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,377 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,389 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,427 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 05:57:46,519 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 05:57:46,530 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,532 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,533 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,535 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,539 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,565 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,567 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,569 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,571 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,573 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,575 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,578 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,580 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,583 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,585 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,587 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,589 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,591 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,593 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,596 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,598 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,602 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,604 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,607 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,609 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,614 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,615 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,617 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,622 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,623 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,629 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,630 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,638 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,710 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,721 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,727 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,740 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,745 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,816 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,843 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,845 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,852 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,855 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,877 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,886 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,892 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:46,965 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,968 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:46,974 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,060 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,066 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,068 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,070 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,156 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,160 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,175 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,176 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,188 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,190 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,201 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,206 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,214 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,218 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,223 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,226 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,288 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,296 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,300 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,331 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,391 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,522 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,560 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,582 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,588 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,594 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,598 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,604 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,605 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,608 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,609 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,611 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,613 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,615 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,619 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,621 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,622 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,625 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,628 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,631 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,633 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,636 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,639 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,641 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,644 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,645 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,647 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,663 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,679 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,686 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,687 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,696 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,702 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,708 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,711 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,714 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,721 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,726 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,732 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,737 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,742 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,744 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,751 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,757 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,758 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:47,764 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,766 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,767 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,769 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,788 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,794 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,800 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,803 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,805 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,806 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,811 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,815 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,860 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,899 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,952 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,960 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:47,997 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,046 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,048 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,050 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,051 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,052 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,054 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,063 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,065 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,074 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,092 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,094 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,097 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,099 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,101 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,103 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,104 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,105 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,109 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,111 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,112 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,116 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,122 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,125 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,126 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,128 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,130 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,132 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,137 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,143 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,144 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 05:57:48,149 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,154 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,157 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,162 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,164 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,169 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,173 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,175 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,177 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,179 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,183 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,189 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,191 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,193 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,195 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,197 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,199 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,202 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,204 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,206 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,262 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,266 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,270 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 05:57:48,283 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,288 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,313 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,319 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,321 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,366 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,383 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,415 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,416 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,437 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,440 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,450 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,451 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,453 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,462 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,489 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,503 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,505 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,506 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,508 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,511 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,514 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,516 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,520 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,522 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,524 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,527 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,531 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,534 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,537 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,540 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,558 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,565 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:57:48,569 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,572 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,577 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,579 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,587 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,590 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,594 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,599 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,601 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,605 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,607 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,614 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,619 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,620 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,628 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,629 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,634 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:57:48,638 WARN ]: expecting exponential blowup for input size 6 Received shutdown request... [2018-06-22 05:58:19,430 INFO ]: Timeout while computing interpolants [2018-06-22 05:58:19,631 WARN ]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:58:19,631 WARN ]: Verification canceled [2018-06-22 05:58:19,635 WARN ]: Timeout [2018-06-22 05:58:19,635 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:58:19 BoogieIcfgContainer [2018-06-22 05:58:19,635 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 05:58:19,636 INFO ]: Toolchain (without parser) took 67645.95 ms. Allocated memory was 307.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 263.3 MB in the beginning and 824.1 MB in the end (delta: -560.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 05:58:19,638 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 05:58:19,638 INFO ]: ChcToBoogie took 54.81 ms. Allocated memory is still 307.8 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 05:58:19,638 INFO ]: Boogie Preprocessor took 49.03 ms. Allocated memory is still 307.8 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. [2018-06-22 05:58:19,639 INFO ]: RCFGBuilder took 295.46 ms. Allocated memory is still 307.8 MB. Free memory was 259.3 MB in the beginning and 250.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-22 05:58:19,639 INFO ]: TraceAbstraction took 67237.06 ms. Allocated memory was 307.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 250.3 MB in the beginning and 824.1 MB in the end (delta: -573.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 05:58:19,643 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.81 ms. Allocated memory is still 307.8 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 49.03 ms. Allocated memory is still 307.8 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. * RCFGBuilder took 295.46 ms. Allocated memory is still 307.8 MB. Free memory was 259.3 MB in the beginning and 250.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67237.06 ms. Allocated memory was 307.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 250.3 MB in the beginning and 824.1 MB in the end (delta: -573.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 21455 quantified variables from 17 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 67.1s OverallTime, 6 OverallIterations, 6 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 10 SDslu, 105 SDs, 0 SdLazy, 41 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 3590 SizeOfPredicates, 16 NumberOfNonLiveVariables, 481 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_if.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_05-58-19-661.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_if.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_05-58-19-661.csv Completed graceful shutdown