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_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 13:58:05,613 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 13:58:05,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 13:58:05,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 13:58:05,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 13:58:05,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 13:58:05,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 13:58:05,639 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 13:58:05,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 13:58:05,641 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 13:58:05,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 13:58:05,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 13:58:05,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 13:58:05,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 13:58:05,646 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 13:58:05,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 13:58:05,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 13:58:05,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 13:58:05,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 13:58:05,663 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 13:58:05,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 13:58:05,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 13:58:05,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 13:58:05,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 13:58:05,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 13:58:05,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 13:58:05,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 13:58:05,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 13:58:05,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 13:58:05,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 13:58:05,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 13:58:05,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 13:58:05,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 13:58:05,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 13:58:05,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 13:58:05,682 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 13:58:05,701 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 13:58:05,701 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 13:58:05,701 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 13:58:05,701 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 13:58:05,703 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 13:58:05,704 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 13:58:05,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 13:58:05,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 13:58:05,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 13:58:05,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 13:58:05,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 13:58:05,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 13:58:05,705 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 13:58:05,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 13:58:05,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 13:58:05,706 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 13:58:05,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 13:58:05,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 13:58:05,706 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 13:58:05,707 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 13:58:05,707 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 13:58:05,749 INFO ]: Repository-Root is: /tmp [2018-06-22 13:58:05,768 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 13:58:05,774 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 13:58:05,775 INFO ]: Initializing SmtParser... [2018-06-22 13:58:05,775 INFO ]: SmtParser initialized [2018-06-22 13:58:05,777 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort-1.smt2 [2018-06-22 13:58:05,778 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 13:58:05,869 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort-1.smt2 unknown [2018-06-22 13:58:06,319 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/bubblesort-1.smt2 [2018-06-22 13:58:06,323 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 13:58:06,329 INFO ]: Walking toolchain with 4 elements. [2018-06-22 13:58:06,330 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 13:58:06,330 INFO ]: Initializing ChcToBoogie... [2018-06-22 13:58:06,330 INFO ]: ChcToBoogie initialized [2018-06-22 13:58:06,333 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,384 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06 Unit [2018-06-22 13:58:06,384 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 13:58:06,384 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 13:58:06,385 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 13:58:06,385 INFO ]: Boogie Preprocessor initialized [2018-06-22 13:58:06,406 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,407 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,428 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,428 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,445 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,446 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,457 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (1/1) ... [2018-06-22 13:58:06,460 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 13:58:06,461 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 13:58:06,461 INFO ]: Initializing RCFGBuilder... [2018-06-22 13:58:06,461 INFO ]: RCFGBuilder initialized [2018-06-22 13:58:06,462 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (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 13:58:06,472 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 13:58:06,472 INFO ]: Found specification of procedure False [2018-06-22 13:58:06,472 INFO ]: Found implementation of procedure False [2018-06-22 13:58:06,472 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 13:58:06,472 INFO ]: Found specification of procedure state [2018-06-22 13:58:06,472 INFO ]: Found implementation of procedure state [2018-06-22 13:58:06,472 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 13:58:06,472 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 13:58:06,472 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 13:58:06,817 INFO ]: Using library mode [2018-06-22 13:58:06,818 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:58:06 BoogieIcfgContainer [2018-06-22 13:58:06,818 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 13:58:06,820 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 13:58:06,820 INFO ]: Initializing TraceAbstraction... [2018-06-22 13:58:06,823 INFO ]: TraceAbstraction initialized [2018-06-22 13:58:06,823 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:58:06" (1/3) ... [2018-06-22 13:58:06,832 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66993169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:58:06, skipping insertion in model container [2018-06-22 13:58:06,832 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:58:06" (2/3) ... [2018-06-22 13:58:06,832 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66993169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:58:06, skipping insertion in model container [2018-06-22 13:58:06,832 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:58:06" (3/3) ... [2018-06-22 13:58:06,835 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 13:58:06,852 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 13:58:06,865 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 13:58:06,917 INFO ]: Using default assertion order modulation [2018-06-22 13:58:06,918 INFO ]: Interprodecural is true [2018-06-22 13:58:06,918 INFO ]: Hoare is false [2018-06-22 13:58:06,918 INFO ]: Compute interpolants for FPandBP [2018-06-22 13:58:06,918 INFO ]: Backedges is TWOTRACK [2018-06-22 13:58:06,918 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 13:58:06,918 INFO ]: Difference is false [2018-06-22 13:58:06,918 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 13:58:06,918 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 13:58:06,936 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 13:58:06,952 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 13:58:06,952 INFO ]: Found error trace [2018-06-22 13:58:06,953 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:58:06,953 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:58:06,959 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 13:58:06,961 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:58:06,962 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:58:07,016 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:07,016 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:58:07,016 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:07,064 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:07,273 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 13:58:07,275 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 13:58:07,276 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 13:58:07,278 INFO ]: Interpolant automaton has 4 states [2018-06-22 13:58:07,294 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 13:58:07,294 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:58:07,297 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 13:58:07,443 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:58:07,443 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 13:58:07,443 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 13:58:07,444 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 13:58:07,445 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:58:07,454 INFO ]: With dead ends: 13 [2018-06-22 13:58:07,454 INFO ]: Without dead ends: 13 [2018-06-22 13:58:07,456 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 13:58:07,469 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 13:58:07,504 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 13:58:07,505 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 13:58:07,506 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 13:58:07,507 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 13:58:07,507 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:58:07,508 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 13:58:07,508 INFO ]: Interpolant automaton has 4 states. [2018-06-22 13:58:07,508 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 13:58:07,509 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 13:58:07,509 INFO ]: Found error trace [2018-06-22 13:58:07,509 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:58:07,509 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:58:07,509 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 13:58:07,509 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:58:07,509 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:58:07,510 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:07,510 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:58:07,510 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:07,613 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:08,075 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:58:08,075 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:58:08,075 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 13:58:08,086 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:58:08,157 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:08,167 INFO ]: Computing forward predicates... [2018-06-22 13:58:09,817 WARN ]: Spent 915.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-06-22 13:58:09,975 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 13:58:10,000 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:58:10,000 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 13:58:10,000 INFO ]: Interpolant automaton has 9 states [2018-06-22 13:58:10,000 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 13:58:10,001 INFO ]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-06-22 13:58:10,001 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 13:58:10,227 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:58:10,227 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 13:58:10,228 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 13:58:10,228 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 13:58:10,228 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:58:10,229 INFO ]: With dead ends: 15 [2018-06-22 13:58:10,229 INFO ]: Without dead ends: 15 [2018-06-22 13:58:10,229 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-06-22 13:58:10,230 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 13:58:10,232 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 13:58:10,232 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 13:58:10,233 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 13:58:10,233 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 13:58:10,233 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:58:10,233 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 13:58:10,233 INFO ]: Interpolant automaton has 9 states. [2018-06-22 13:58:10,233 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 13:58:10,233 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 13:58:10,233 INFO ]: Found error trace [2018-06-22 13:58:10,233 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:58:10,233 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:58:10,233 INFO ]: Analyzing trace with hash -1486246934, now seen corresponding path program 2 times [2018-06-22 13:58:10,233 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:58:10,234 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:58:10,234 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:10,234 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 13:58:10,234 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:10,327 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:10,547 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 13:58:10,547 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:58:10,547 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 13:58:10,566 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 13:58:10,641 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 13:58:10,641 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:10,648 INFO ]: Computing forward predicates... [2018-06-22 13:58:11,638 WARN ]: Spent 485.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-06-22 13:58:12,179 WARN ]: Spent 202.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-06-22 13:58:12,403 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 13:58:12,438 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:58:12,438 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-06-22 13:58:12,438 INFO ]: Interpolant automaton has 13 states [2018-06-22 13:58:12,438 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 13:58:12,439 INFO ]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-06-22 13:58:12,439 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 13 states. [2018-06-22 13:58:12,892 WARN ]: Spent 145.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-06-22 13:58:12,912 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:58:12,912 INFO ]: Finished difference Result 19 states and 20 transitions. [2018-06-22 13:58:12,912 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 13:58:12,912 INFO ]: Start accepts. Automaton has 13 states. Word has length 17 [2018-06-22 13:58:12,912 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:58:12,913 INFO ]: With dead ends: 19 [2018-06-22 13:58:12,913 INFO ]: Without dead ends: 19 [2018-06-22 13:58:12,913 INFO ]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-06-22 13:58:12,913 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-22 13:58:12,917 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-06-22 13:58:12,917 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 13:58:12,917 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-06-22 13:58:12,918 INFO ]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 17 [2018-06-22 13:58:12,918 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:58:12,918 INFO ]: Abstraction has 19 states and 20 transitions. [2018-06-22 13:58:12,918 INFO ]: Interpolant automaton has 13 states. [2018-06-22 13:58:12,918 INFO ]: Start isEmpty. Operand 19 states and 20 transitions. [2018-06-22 13:58:12,918 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 13:58:12,919 INFO ]: Found error trace [2018-06-22 13:58:12,919 INFO ]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:58:12,919 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:58:12,919 INFO ]: Analyzing trace with hash -434924750, now seen corresponding path program 3 times [2018-06-22 13:58:12,919 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:58:12,919 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:58:12,919 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:12,920 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 13:58:12,920 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:13,103 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:13,483 WARN ]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 13:58:13,610 WARN ]: Spent 113.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-06-22 13:58:13,851 INFO ]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 13:58:13,851 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:58:13,851 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) [2018-06-22 13:58:13,866 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 13:58:13,982 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-06-22 13:58:13,983 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:13,993 INFO ]: Computing forward predicates... [2018-06-22 13:58:14,521 WARN ]: Spent 245.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-06-22 13:58:15,935 WARN ]: Spent 901.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-06-22 13:58:17,668 WARN ]: Spent 1.12 s on a formula simplification. DAG size of input: 181 DAG size of output: 63 [2018-06-22 13:58:19,338 WARN ]: Spent 998.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2018-06-22 13:58:19,802 WARN ]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-06-22 13:58:20,146 INFO ]: Checked inductivity of 36 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 13:58:20,166 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 13:58:20,167 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2018-06-22 13:58:20,167 INFO ]: Interpolant automaton has 20 states [2018-06-22 13:58:20,167 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 13:58:20,167 INFO ]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-06-22 13:58:20,167 INFO ]: Start difference. First operand 19 states and 20 transitions. Second operand 20 states. [2018-06-22 13:58:21,302 WARN ]: Spent 1.09 s on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2018-06-22 13:58:21,558 WARN ]: Spent 216.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 23 [2018-06-22 13:58:21,730 WARN ]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2018-06-22 13:58:22,068 WARN ]: Spent 298.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 53 [2018-06-22 13:58:22,923 WARN ]: Spent 723.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 87 [2018-06-22 13:58:22,964 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 13:58:22,964 INFO ]: Finished difference Result 21 states and 22 transitions. [2018-06-22 13:58:22,966 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 13:58:22,966 INFO ]: Start accepts. Automaton has 20 states. Word has length 25 [2018-06-22 13:58:22,966 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 13:58:22,967 INFO ]: With dead ends: 21 [2018-06-22 13:58:22,967 INFO ]: Without dead ends: 21 [2018-06-22 13:58:22,967 INFO ]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2018-06-22 13:58:22,967 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 13:58:22,970 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-06-22 13:58:22,970 INFO ]: Start removeUnreachable. Operand 21 states. [2018-06-22 13:58:22,971 INFO ]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-06-22 13:58:22,971 INFO ]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 25 [2018-06-22 13:58:22,971 INFO ]: Finished accepts. word is rejected. [2018-06-22 13:58:22,971 INFO ]: Abstraction has 21 states and 22 transitions. [2018-06-22 13:58:22,971 INFO ]: Interpolant automaton has 20 states. [2018-06-22 13:58:22,971 INFO ]: Start isEmpty. Operand 21 states and 22 transitions. [2018-06-22 13:58:22,972 INFO ]: Finished isEmpty. Found accepting run of length 30 [2018-06-22 13:58:22,972 INFO ]: Found error trace [2018-06-22 13:58:22,972 INFO ]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 13:58:22,972 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 13:58:22,972 INFO ]: Analyzing trace with hash 1986427350, now seen corresponding path program 4 times [2018-06-22 13:58:22,972 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 13:58:22,972 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 13:58:22,973 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:22,973 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 13:58:22,973 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 13:58:23,256 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:23,772 WARN ]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 13:58:24,570 WARN ]: Spent 752.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2018-06-22 13:58:24,894 WARN ]: Spent 252.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2018-06-22 13:58:25,203 INFO ]: Checked inductivity of 55 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-06-22 13:58:25,204 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 13:58:25,204 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 13:58:25,211 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 13:58:25,338 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 13:58:25,338 INFO ]: Conjunction of SSA is unsat [2018-06-22 13:58:25,349 INFO ]: Computing forward predicates... [2018-06-22 13:58:27,184 WARN ]: Spent 1.20 s on a formula simplification. DAG size of input: 149 DAG size of output: 43 [2018-06-22 13:59:03,599 WARN ]: Spent 30.05 s on a formula simplification. DAG size of input: 1274 DAG size of output: 66 Received shutdown request... [2018-06-22 13:59:06,325 INFO ]: Timeout while computing interpolants [2018-06-22 13:59:06,526 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 13:59:06,526 WARN ]: Verification canceled [2018-06-22 13:59:06,531 WARN ]: Timeout [2018-06-22 13:59:06,531 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:59:06 BoogieIcfgContainer [2018-06-22 13:59:06,531 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 13:59:06,532 INFO ]: Toolchain (without parser) took 60208.24 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 248.8 MB in the beginning and 690.0 MB in the end (delta: -441.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:59:06,532 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 13:59:06,533 INFO ]: ChcToBoogie took 54.36 ms. Allocated memory is still 309.3 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:59:06,533 INFO ]: Boogie Preprocessor took 76.07 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 243.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:59:06,533 INFO ]: RCFGBuilder took 357.16 ms. Allocated memory is still 309.3 MB. Free memory was 243.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 13:59:06,534 INFO ]: TraceAbstraction took 59711.50 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 221.8 MB in the beginning and 690.0 MB in the end (delta: -468.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 13:59:06,536 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.36 ms. Allocated memory is still 309.3 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.07 ms. Allocated memory is still 309.3 MB. Free memory was 245.8 MB in the beginning and 243.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 357.16 ms. Allocated memory is still 309.3 MB. Free memory was 243.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 59711.50 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 221.8 MB in the beginning and 690.0 MB in the end (delta: -468.1 MB). Peak memory consumption was 1.3 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 30 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 364 quantified variables from 34 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 59.6s OverallTime, 5 OverallIterations, 6 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 46 SDslu, 137 SDs, 0 SdLazy, 117 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 39944 SizeOfPredicates, 535 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 30/98 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/bubblesort-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_13-59-06-549.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_13-59-06-549.csv Completed graceful shutdown