java -Xmx8000000000 -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-comp18-benchmarks/lia/chc-lia-0061.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3d12b04 [2018-06-19 23:08:03,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-19 23:08:03,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-19 23:08:03,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-19 23:08:03,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-19 23:08:03,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-19 23:08:03,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-19 23:08:03,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-19 23:08:03,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-19 23:08:03,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-19 23:08:03,933 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-19 23:08:03,933 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-19 23:08:03,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-19 23:08:03,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-19 23:08:03,938 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-19 23:08:03,938 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-19 23:08:03,940 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-19 23:08:03,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-19 23:08:03,951 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-19 23:08:03,952 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-19 23:08:03,953 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-19 23:08:03,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-19 23:08:03,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-19 23:08:03,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-19 23:08:03,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-19 23:08:03,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-19 23:08:03,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-19 23:08:03,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-19 23:08:03,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-19 23:08:03,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-19 23:08:03,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-19 23:08:03,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-19 23:08:03,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-19 23:08:03,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-19 23:08:03,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-19 23:08:03,971 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-19 23:08:03,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-19 23:08:03,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-19 23:08:03,990 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-19 23:08:03,991 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-19 23:08:03,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-19 23:08:03,992 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-19 23:08:03,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-19 23:08:03,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-19 23:08:03,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-19 23:08:03,993 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-19 23:08:03,993 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-19 23:08:03,993 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-19 23:08:03,993 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-19 23:08:03,993 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-19 23:08:03,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-19 23:08:03,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-19 23:08:03,996 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-19 23:08:03,998 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-19 23:08:03,998 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-19 23:08:04,049 INFO ]: Repository-Root is: /tmp [2018-06-19 23:08:04,069 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-19 23:08:04,074 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-19 23:08:04,075 INFO ]: Initializing SmtParser... [2018-06-19 23:08:04,075 INFO ]: SmtParser initialized [2018-06-19 23:08:04,076 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp18-benchmarks/lia/chc-lia-0061.smt2 [2018-06-19 23:08:04,077 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 [2018-06-19 23:08:04,567 INFO ]: Executing SMT file /storage/chc-comp18-benchmarks/lia/chc-lia-0061.smt2 unknown [2018-06-19 23:08:05,386 INFO ]: Succesfully executed SMT file /storage/chc-comp18-benchmarks/lia/chc-lia-0061.smt2 [2018-06-19 23:08:05,390 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-19 23:08:05,398 INFO ]: Walking toolchain with 4 elements. [2018-06-19 23:08:05,398 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-19 23:08:05,398 INFO ]: Initializing ChcToBoogie... [2018-06-19 23:08:05,398 INFO ]: ChcToBoogie initialized [2018-06-19 23:08:05,440 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,562 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05 Unit [2018-06-19 23:08:05,562 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-19 23:08:05,563 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-19 23:08:05,563 INFO ]: Initializing Boogie Preprocessor... [2018-06-19 23:08:05,563 INFO ]: Boogie Preprocessor initialized [2018-06-19 23:08:05,611 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,612 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,618 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,618 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,624 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,626 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,627 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (1/1) ... [2018-06-19 23:08:05,629 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-19 23:08:05,630 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-19 23:08:05,630 INFO ]: Initializing RCFGBuilder... [2018-06-19 23:08:05,630 INFO ]: RCFGBuilder initialized [2018-06-19 23:08:05,631 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-19 23:08:05,646 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-19 23:08:05,646 INFO ]: Found specification of procedure gotoProc [2018-06-19 23:08:05,646 INFO ]: Found implementation of procedure gotoProc [2018-06-19 23:08:05,646 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-19 23:08:05,646 INFO ]: Found specification of procedure Ultimate.START [2018-06-19 23:08:05,646 INFO ]: Found implementation of procedure Ultimate.START [2018-06-19 23:08:06,067 INFO ]: Using library mode [2018-06-19 23:08:06,068 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.06 11:08:06 BoogieIcfgContainer [2018-06-19 23:08:06,068 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-19 23:08:06,070 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-19 23:08:06,070 INFO ]: Initializing TraceAbstraction... [2018-06-19 23:08:06,113 INFO ]: TraceAbstraction initialized [2018-06-19 23:08:06,114 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 19.06 11:08:05" (1/3) ... [2018-06-19 23:08:06,134 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586b9f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 19.06 11:08:06, skipping insertion in model container [2018-06-19 23:08:06,134 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 11:08:05" (2/3) ... [2018-06-19 23:08:06,134 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@586b9f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.06 11:08:06, skipping insertion in model container [2018-06-19 23:08:06,134 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.06 11:08:06" (3/3) ... [2018-06-19 23:08:06,136 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-19 23:08:06,152 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-19 23:08:06,162 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-19 23:08:06,329 INFO ]: Using default assertion order modulation [2018-06-19 23:08:06,330 INFO ]: Interprodecural is true [2018-06-19 23:08:06,330 INFO ]: Hoare is false [2018-06-19 23:08:06,330 INFO ]: Compute interpolants for FPandBP [2018-06-19 23:08:06,330 INFO ]: Backedges is TWOTRACK [2018-06-19 23:08:06,330 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-19 23:08:06,330 INFO ]: Difference is false [2018-06-19 23:08:06,330 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-19 23:08:06,330 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-19 23:08:06,394 INFO ]: Start isEmpty. Operand 10 states. [2018-06-19 23:08:06,428 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-19 23:08:06,428 INFO ]: Found error trace [2018-06-19 23:08:06,429 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:06,429 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:06,437 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-19 23:08:06,439 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:06,440 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:06,487 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:06,487 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:08:06,487 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:06,541 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:06,618 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:06,619 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-19 23:08:06,619 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-19 23:08:06,621 INFO ]: Interpolant automaton has 3 states [2018-06-19 23:08:06,631 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-19 23:08:06,631 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-19 23:08:06,654 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-19 23:08:06,809 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:06,809 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-19 23:08:06,846 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-19 23:08:06,875 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-19 23:08:06,876 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:06,885 INFO ]: With dead ends: 9 [2018-06-19 23:08:06,885 INFO ]: Without dead ends: 9 [2018-06-19 23:08:06,886 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 [2018-06-19 23:08:06,975 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-19 23:08:07,016 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-19 23:08:07,019 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-19 23:08:07,019 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-19 23:08:07,021 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-19 23:08:07,021 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:07,021 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-19 23:08:07,021 INFO ]: Interpolant automaton has 3 states. [2018-06-19 23:08:07,021 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-19 23:08:07,021 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-19 23:08:07,021 INFO ]: Found error trace [2018-06-19 23:08:07,021 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:07,021 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:07,022 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-19 23:08:07,022 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:07,022 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:07,023 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:07,023 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:08:07,023 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:07,056 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:07,188 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:07,188 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:07,188 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 [2018-06-19 23:08:07,198 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:08:07,241 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:07,250 INFO ]: Computing forward predicates... [2018-06-19 23:08:07,591 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:07,698 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:08:07,698 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-19 23:08:07,699 INFO ]: Interpolant automaton has 5 states [2018-06-19 23:08:07,699 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-19 23:08:07,700 INFO ]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-19 23:08:07,700 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-19 23:08:07,858 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:07,858 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-19 23:08:07,858 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-19 23:08:07,859 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-19 23:08:07,859 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:07,859 INFO ]: With dead ends: 11 [2018-06-19 23:08:07,859 INFO ]: Without dead ends: 11 [2018-06-19 23:08:07,860 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-19 23:08:07,860 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-19 23:08:07,861 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-19 23:08:07,861 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-19 23:08:07,864 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-19 23:08:07,864 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-19 23:08:07,864 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:07,864 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-19 23:08:07,864 INFO ]: Interpolant automaton has 5 states. [2018-06-19 23:08:07,864 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-19 23:08:07,864 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-19 23:08:07,864 INFO ]: Found error trace [2018-06-19 23:08:07,864 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:07,865 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:07,865 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-19 23:08:07,865 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:07,865 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:07,866 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:07,866 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:08:07,866 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:07,934 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:08,256 WARN ]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-19 23:08:08,337 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:08,337 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:08,337 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 [2018-06-19 23:08:08,353 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-19 23:08:08,414 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-19 23:08:08,414 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:08,417 INFO ]: Computing forward predicates... [2018-06-19 23:08:08,950 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:08,970 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:08:08,970 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-06-19 23:08:08,970 INFO ]: Interpolant automaton has 7 states [2018-06-19 23:08:08,970 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-19 23:08:08,970 INFO ]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-06-19 23:08:08,971 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2018-06-19 23:08:09,185 WARN ]: Spent 125.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-06-19 23:08:09,376 WARN ]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-19 23:08:09,490 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:09,490 INFO ]: Finished difference Result 12 states and 12 transitions. [2018-06-19 23:08:09,490 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-19 23:08:09,490 INFO ]: Start accepts. Automaton has 7 states. Word has length 10 [2018-06-19 23:08:09,490 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:09,491 INFO ]: With dead ends: 12 [2018-06-19 23:08:09,491 INFO ]: Without dead ends: 12 [2018-06-19 23:08:09,491 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-06-19 23:08:09,491 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-19 23:08:09,492 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-19 23:08:09,492 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-19 23:08:09,493 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-06-19 23:08:09,493 INFO ]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-06-19 23:08:09,493 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:09,493 INFO ]: Abstraction has 12 states and 12 transitions. [2018-06-19 23:08:09,493 INFO ]: Interpolant automaton has 7 states. [2018-06-19 23:08:09,493 INFO ]: Start isEmpty. Operand 12 states and 12 transitions. [2018-06-19 23:08:09,493 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-19 23:08:09,493 INFO ]: Found error trace [2018-06-19 23:08:09,493 INFO ]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:09,494 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:09,494 INFO ]: Analyzing trace with hash -1433955954, now seen corresponding path program 3 times [2018-06-19 23:08:09,494 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:09,494 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:09,495 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:09,495 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 23:08:09,495 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:09,547 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:09,894 WARN ]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-19 23:08:10,069 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:10,069 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:10,069 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 [2018-06-19 23:08:10,085 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-19 23:08:10,137 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-19 23:08:10,137 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:10,140 INFO ]: Computing forward predicates... [2018-06-19 23:08:11,205 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:11,225 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:08:11,225 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-06-19 23:08:11,226 INFO ]: Interpolant automaton has 9 states [2018-06-19 23:08:11,226 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-19 23:08:11,226 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-19 23:08:11,226 INFO ]: Start difference. First operand 12 states and 12 transitions. Second operand 9 states. [2018-06-19 23:08:11,359 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:11,359 INFO ]: Finished difference Result 13 states and 13 transitions. [2018-06-19 23:08:11,359 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-19 23:08:11,359 INFO ]: Start accepts. Automaton has 9 states. Word has length 11 [2018-06-19 23:08:11,359 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:11,360 INFO ]: With dead ends: 13 [2018-06-19 23:08:11,360 INFO ]: Without dead ends: 13 [2018-06-19 23:08:11,360 INFO ]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2018-06-19 23:08:11,360 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-19 23:08:11,361 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-19 23:08:11,362 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-19 23:08:11,362 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-06-19 23:08:11,362 INFO ]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-06-19 23:08:11,362 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:11,362 INFO ]: Abstraction has 13 states and 13 transitions. [2018-06-19 23:08:11,362 INFO ]: Interpolant automaton has 9 states. [2018-06-19 23:08:11,362 INFO ]: Start isEmpty. Operand 13 states and 13 transitions. [2018-06-19 23:08:11,362 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-19 23:08:11,362 INFO ]: Found error trace [2018-06-19 23:08:11,363 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:11,363 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:11,363 INFO ]: Analyzing trace with hash -1502133097, now seen corresponding path program 4 times [2018-06-19 23:08:11,363 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:11,363 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:11,364 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:11,364 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 23:08:11,364 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:11,429 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:11,693 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:11,693 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:11,693 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 [2018-06-19 23:08:11,700 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-19 23:08:11,744 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-19 23:08:11,744 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:11,748 INFO ]: Computing forward predicates... [2018-06-19 23:08:12,740 WARN ]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2018-06-19 23:08:18,105 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:18,138 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:08:18,138 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-06-19 23:08:18,139 INFO ]: Interpolant automaton has 13 states [2018-06-19 23:08:18,139 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-19 23:08:18,139 INFO ]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-06-19 23:08:18,139 INFO ]: Start difference. First operand 13 states and 13 transitions. Second operand 13 states. [2018-06-19 23:08:18,590 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:18,590 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-19 23:08:18,590 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-19 23:08:18,590 INFO ]: Start accepts. Automaton has 13 states. Word has length 12 [2018-06-19 23:08:18,590 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:18,590 INFO ]: With dead ends: 14 [2018-06-19 23:08:18,590 INFO ]: Without dead ends: 14 [2018-06-19 23:08:18,591 INFO ]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2018-06-19 23:08:18,591 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-19 23:08:18,592 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-19 23:08:18,592 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-19 23:08:18,593 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-19 23:08:18,593 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-06-19 23:08:18,593 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:18,593 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-19 23:08:18,593 INFO ]: Interpolant automaton has 13 states. [2018-06-19 23:08:18,593 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-19 23:08:18,594 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-19 23:08:18,594 INFO ]: Found error trace [2018-06-19 23:08:18,594 INFO ]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:18,594 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:18,594 INFO ]: Analyzing trace with hash 679342766, now seen corresponding path program 5 times [2018-06-19 23:08:18,594 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:18,594 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:18,595 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:18,595 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 23:08:18,595 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:18,632 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:19,084 WARN ]: Spent 292.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-06-19 23:08:19,240 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:19,240 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:19,240 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 [2018-06-19 23:08:19,251 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-19 23:08:19,320 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-06-19 23:08:19,320 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:19,323 INFO ]: Computing forward predicates... [2018-06-19 23:08:20,499 WARN ]: Spent 148.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 15 [2018-06-19 23:08:21,073 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:08:28,113 INFO ]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:28,136 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:08:28,136 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2018-06-19 23:08:28,136 INFO ]: Interpolant automaton has 12 states [2018-06-19 23:08:28,136 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-19 23:08:28,136 INFO ]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-06-19 23:08:28,137 INFO ]: Start difference. First operand 14 states and 14 transitions. Second operand 12 states. [2018-06-19 23:08:28,330 WARN ]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-06-19 23:08:28,480 WARN ]: Spent 139.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2018-06-19 23:08:28,589 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-06-19 23:08:29,037 WARN ]: Spent 300.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2018-06-19 23:08:29,039 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:08:29,057 INFO ]: Finished difference Result 15 states and 15 transitions. [2018-06-19 23:08:29,057 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-19 23:08:29,057 INFO ]: Start accepts. Automaton has 12 states. Word has length 13 [2018-06-19 23:08:29,057 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:08:29,057 INFO ]: With dead ends: 15 [2018-06-19 23:08:29,057 INFO ]: Without dead ends: 15 [2018-06-19 23:08:29,058 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2018-06-19 23:08:29,058 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-19 23:08:29,059 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-19 23:08:29,059 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-19 23:08:29,059 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-06-19 23:08:29,060 INFO ]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-06-19 23:08:29,060 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:08:29,060 INFO ]: Abstraction has 15 states and 15 transitions. [2018-06-19 23:08:29,060 INFO ]: Interpolant automaton has 12 states. [2018-06-19 23:08:29,060 INFO ]: Start isEmpty. Operand 15 states and 15 transitions. [2018-06-19 23:08:29,060 INFO ]: Finished isEmpty. Found accepting run of length 15 [2018-06-19 23:08:29,060 INFO ]: Found error trace [2018-06-19 23:08:29,060 INFO ]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:08:29,060 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:08:29,060 INFO ]: Analyzing trace with hash -414382217, now seen corresponding path program 6 times [2018-06-19 23:08:29,060 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:08:29,060 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:08:29,062 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:29,062 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 23:08:29,062 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:08:29,124 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:29,807 WARN ]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-06-19 23:08:30,415 WARN ]: Spent 543.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-06-19 23:08:30,499 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:08:30,499 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:08:30,499 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 23:08:30,506 INFO ]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-06-19 23:08:30,564 INFO ]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-06-19 23:08:30,564 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:08:30,568 INFO ]: Computing forward predicates... [2018-06-19 23:08:32,837 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:11:43,171 INFO ]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:11:43,192 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:11:43,192 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2018-06-19 23:11:43,192 INFO ]: Interpolant automaton has 14 states [2018-06-19 23:11:43,192 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-19 23:11:43,192 INFO ]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-06-19 23:11:43,192 INFO ]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-06-19 23:11:43,448 WARN ]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-06-19 23:11:43,602 WARN ]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-06-19 23:11:43,827 WARN ]: Spent 213.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-06-19 23:11:44,126 WARN ]: Spent 286.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-06-19 23:11:44,258 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:11:44,258 INFO ]: Finished difference Result 16 states and 16 transitions. [2018-06-19 23:11:44,258 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-19 23:11:44,258 INFO ]: Start accepts. Automaton has 14 states. Word has length 14 [2018-06-19 23:11:44,258 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:11:44,259 INFO ]: With dead ends: 16 [2018-06-19 23:11:44,259 INFO ]: Without dead ends: 16 [2018-06-19 23:11:44,259 INFO ]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2018-06-19 23:11:44,259 INFO ]: Start minimizeSevpa. Operand 16 states. [2018-06-19 23:11:44,261 INFO ]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-06-19 23:11:44,261 INFO ]: Start removeUnreachable. Operand 16 states. [2018-06-19 23:11:44,261 INFO ]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-06-19 23:11:44,261 INFO ]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-06-19 23:11:44,261 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:11:44,261 INFO ]: Abstraction has 16 states and 16 transitions. [2018-06-19 23:11:44,261 INFO ]: Interpolant automaton has 14 states. [2018-06-19 23:11:44,261 INFO ]: Start isEmpty. Operand 16 states and 16 transitions. [2018-06-19 23:11:44,262 INFO ]: Finished isEmpty. Found accepting run of length 16 [2018-06-19 23:11:44,262 INFO ]: Found error trace [2018-06-19 23:11:44,262 INFO ]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:11:44,262 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:11:44,262 INFO ]: Analyzing trace with hash 39881678, now seen corresponding path program 7 times [2018-06-19 23:11:44,262 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:11:44,262 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:11:44,263 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:11:44,263 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 23:11:44,263 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:11:44,326 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:11:44,824 INFO ]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:11:44,824 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:11:44,824 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 23:11:44,831 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:11:44,870 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:11:44,874 INFO ]: Computing forward predicates... [2018-06-19 23:11:45,112 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:11:45,114 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:11:45,115 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:11:58,327 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:11:58,428 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:00,526 WARN ]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 19 [2018-06-19 23:12:01,010 INFO ]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:12:01,040 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 23:12:01,040 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2018-06-19 23:12:01,040 INFO ]: Interpolant automaton has 15 states [2018-06-19 23:12:01,040 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-19 23:12:01,040 INFO ]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-06-19 23:12:01,040 INFO ]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-06-19 23:12:01,254 WARN ]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2018-06-19 23:12:01,421 WARN ]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2018-06-19 23:12:01,880 WARN ]: Spent 149.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2018-06-19 23:12:01,881 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 23:12:01,881 INFO ]: Finished difference Result 17 states and 17 transitions. [2018-06-19 23:12:01,881 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-19 23:12:01,881 INFO ]: Start accepts. Automaton has 15 states. Word has length 15 [2018-06-19 23:12:01,882 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 23:12:01,882 INFO ]: With dead ends: 17 [2018-06-19 23:12:01,882 INFO ]: Without dead ends: 17 [2018-06-19 23:12:01,882 INFO ]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2018-06-19 23:12:01,882 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-19 23:12:01,884 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-19 23:12:01,884 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-19 23:12:01,884 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-06-19 23:12:01,884 INFO ]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-06-19 23:12:01,884 INFO ]: Finished accepts. word is rejected. [2018-06-19 23:12:01,884 INFO ]: Abstraction has 17 states and 17 transitions. [2018-06-19 23:12:01,884 INFO ]: Interpolant automaton has 15 states. [2018-06-19 23:12:01,884 INFO ]: Start isEmpty. Operand 17 states and 17 transitions. [2018-06-19 23:12:01,886 INFO ]: Finished isEmpty. Found accepting run of length 17 [2018-06-19 23:12:01,886 INFO ]: Found error trace [2018-06-19 23:12:01,886 INFO ]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 23:12:01,886 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 23:12:01,886 INFO ]: Analyzing trace with hash 1237160535, now seen corresponding path program 8 times [2018-06-19 23:12:01,886 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 23:12:01,886 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 23:12:01,887 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:12:01,887 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 23:12:01,887 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 23:12:02,017 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:12:02,320 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 4 [2018-06-19 23:12:02,869 WARN ]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2018-06-19 23:12:02,938 INFO ]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 23:12:02,938 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 23:12:02,938 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 23:12:02,945 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-19 23:12:02,995 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-19 23:12:02,995 INFO ]: Conjunction of SSA is unsat [2018-06-19 23:12:03,000 INFO ]: Computing forward predicates... [2018-06-19 23:12:03,276 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:12:23,041 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,043 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,046 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,055 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,073 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,076 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,079 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,082 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,087 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,093 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,101 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,109 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,121 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:23,145 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,147 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,151 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,169 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:23,192 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,200 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,257 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,277 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,290 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,305 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,307 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,313 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,322 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,335 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,359 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,363 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:23,390 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,454 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,567 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,570 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,575 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:23,610 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,040 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,044 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,048 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,050 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,055 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,063 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,071 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,482 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,484 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,495 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,503 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,516 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,532 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,550 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,552 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,561 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,574 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,606 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,629 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,631 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,633 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,635 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,639 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,641 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,650 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,652 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,663 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,665 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,678 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,687 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,694 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,704 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,717 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:12:24,737 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:12:24,760 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,764 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,766 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:24,777 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,783 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,786 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,789 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:24,791 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,428 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,442 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,448 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,470 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,472 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,473 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,479 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,481 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,485 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,488 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,492 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,547 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,564 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:27,577 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,579 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,602 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,608 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:27,617 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:27,625 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,627 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:27,637 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:27,655 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,659 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,661 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,663 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,705 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,708 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,710 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,713 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,763 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,771 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,774 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,777 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,784 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,786 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,787 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,788 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,797 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,801 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,803 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,817 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,857 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,866 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,870 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,875 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,894 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,905 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,912 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,918 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,920 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,924 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,928 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,931 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,933 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,936 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,945 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,952 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,957 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:27,974 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,019 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,028 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,035 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,049 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,068 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,077 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,080 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,082 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,084 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,094 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,115 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,118 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,137 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,146 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,154 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,158 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,159 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,162 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,188 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,195 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,198 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,215 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,226 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,228 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,230 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,236 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,239 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,242 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:12:28,270 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,309 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,310 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,313 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,317 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,333 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,344 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,346 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,348 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,351 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,353 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,363 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,370 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,374 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,377 WARN ]: expecting exponential blowup for input size 8 [2018-06-19 23:12:28,403 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,406 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,432 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,435 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,444 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,452 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,469 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,476 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,485 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,494 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,499 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,529 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,546 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,548 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,553 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,556 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,590 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,592 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,595 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,606 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,643 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,667 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,671 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,672 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,674 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,770 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,783 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,793 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,794 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,796 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,798 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,800 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,804 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,816 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,822 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,823 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,833 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,865 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,879 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,886 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,888 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,898 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,909 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,917 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,919 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,934 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:28,942 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,970 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:28,987 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,001 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,003 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,006 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,011 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,023 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,043 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,046 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,054 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,066 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,082 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,091 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,108 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,127 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,141 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,149 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,154 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,175 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,197 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,199 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,202 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,345 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,364 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,381 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,413 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,489 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,591 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,649 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,719 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,723 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,738 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,775 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,886 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,897 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,916 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,935 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,941 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,955 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:29,970 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:29,973 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,007 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,009 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,011 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,030 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,044 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,074 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,083 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,093 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,100 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,103 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,120 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,124 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,138 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,150 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,172 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,181 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,184 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,187 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,195 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,205 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,221 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,228 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,248 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,267 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,270 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,278 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,286 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,302 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,328 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,342 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,409 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,443 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,447 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,452 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,483 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,486 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,498 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,505 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,507 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,511 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,730 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,815 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,823 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,825 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,900 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,903 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:30,982 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:30,987 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,007 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,040 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,069 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,177 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,297 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,301 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,304 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,314 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,367 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,399 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,402 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,407 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,421 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,424 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,428 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,432 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,441 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,442 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,448 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,450 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,458 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,498 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,500 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,507 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,515 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,533 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,540 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,586 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,597 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,600 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,616 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,626 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,643 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,654 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,673 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,682 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,683 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,695 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,710 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,729 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,789 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,796 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,809 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,889 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,891 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,894 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,897 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,906 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,915 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,926 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,928 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,934 WARN ]: expecting exponential blowup for input size 7 [2018-06-19 23:12:31,945 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:31,983 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,008 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,009 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,012 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,014 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,015 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,025 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,028 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,033 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,035 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,037 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,041 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,049 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,060 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,071 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 23:12:32,117 WARN ]: expecting exponential blowup for input size 6 Received shutdown request... [2018-06-19 23:12:33,186 INFO ]: Timeout while computing interpolants [2018-06-19 23:12:33,386 WARN ]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 23:12:33,386 WARN ]: Verification canceled [2018-06-19 23:12:33,391 WARN ]: Timeout [2018-06-19 23:12:33,391 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.06 11:12:33 BoogieIcfgContainer [2018-06-19 23:12:33,391 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-19 23:12:33,392 INFO ]: Toolchain (without parser) took 268000.92 ms. Allocated memory was 305.1 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 260.5 MB in the beginning and 386.2 MB in the end (delta: -125.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-06-19 23:12:33,392 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2018-06-19 23:12:33,393 INFO ]: ChcToBoogie took 164.32 ms. Allocated memory is still 305.1 MB. Free memory was 260.5 MB in the beginning and 257.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2018-06-19 23:12:33,393 INFO ]: Boogie Preprocessor took 66.07 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 7.1 GB. [2018-06-19 23:12:33,393 INFO ]: RCFGBuilder took 437.88 ms. Allocated memory is still 305.1 MB. Free memory was 256.6 MB in the beginning and 247.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2018-06-19 23:12:33,394 INFO ]: TraceAbstraction took 267321.54 ms. Allocated memory was 305.1 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 246.6 MB in the beginning and 386.2 MB in the end (delta: -139.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-06-19 23:12:33,398 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * ChcToBoogie took 164.32 ms. Allocated memory is still 305.1 MB. Free memory was 260.5 MB in the beginning and 257.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.07 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 437.88 ms. Allocated memory is still 305.1 MB. Free memory was 256.6 MB in the beginning and 247.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267321.54 ms. Allocated memory was 305.1 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 246.6 MB in the beginning and 386.2 MB in the end (delta: -139.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 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 17 with TraceHistMax 9, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 64 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 267.0s OverallTime, 9 OverallIterations, 9 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 32 SDslu, 211 SDs, 0 SdLazy, 81 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 55 SyntacticMatches, 17 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=8, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 229.7s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 15706 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 361 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 0/234 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/chc-lia-0061.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-19_23-12-33-409.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/chc-lia-0061.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-19_23-12-33-409.csv Completed graceful shutdown