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/lustre/DRAGON_4_e7_2329_e7_3856.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:49:13,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:49:13,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:49:13,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:49:13,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:49:13,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:49:13,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:49:13,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:49:13,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:49:13,312 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:49:13,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:49:13,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:49:13,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:49:13,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:49:13,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:49:13,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:49:13,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:49:13,319 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:49:13,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:49:13,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:49:13,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:49:13,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:49:13,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:49:13,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:49:13,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:49:13,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:49:13,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:49:13,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:49:13,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:49:13,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:49:13,329 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:49:13,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:49:13,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:49:13,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:49:13,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:49:13,332 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 16:49:13,351 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:49:13,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:49:13,352 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:49:13,352 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:49:13,353 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:49:13,353 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:49:13,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:49:13,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:49:13,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:49:13,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:49:13,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:49:13,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:49:13,354 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:49:13,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:49:13,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:49:13,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:49:13,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:49:13,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:49:13,356 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:49:13,357 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:49:13,357 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:49:13,404 INFO ]: Repository-Root is: /tmp [2018-06-22 16:49:13,416 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:49:13,421 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:49:13,423 INFO ]: Initializing SmtParser... [2018-06-22 16:49:13,423 INFO ]: SmtParser initialized [2018-06-22 16:49:13,424 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 [2018-06-22 16:49:13,425 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 16:49:13,523 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 unknown [2018-06-22 16:49:14,179 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e7_3856.smt2 [2018-06-22 16:49:14,184 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:49:14,189 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:49:14,190 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:49:14,190 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:49:14,190 INFO ]: ChcToBoogie initialized [2018-06-22 16:49:14,193 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,270 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14 Unit [2018-06-22 16:49:14,270 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:49:14,271 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:49:14,271 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:49:14,271 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:49:14,292 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,292 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,305 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,306 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,326 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,328 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,334 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (1/1) ... [2018-06-22 16:49:14,338 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:49:14,339 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:49:14,339 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:49:14,339 INFO ]: RCFGBuilder initialized [2018-06-22 16:49:14,340 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (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 16:49:14,353 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:49:14,353 INFO ]: Found specification of procedure False [2018-06-22 16:49:14,353 INFO ]: Found implementation of procedure False [2018-06-22 16:49:14,353 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:49:14,353 INFO ]: Found specification of procedure state [2018-06-22 16:49:14,353 INFO ]: Found implementation of procedure state [2018-06-22 16:49:14,353 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:49:14,353 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:49:14,353 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 16:49:14,861 INFO ]: Using library mode [2018-06-22 16:49:14,862 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:49:14 BoogieIcfgContainer [2018-06-22 16:49:14,862 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:49:14,865 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:49:14,865 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:49:14,868 INFO ]: TraceAbstraction initialized [2018-06-22 16:49:14,868 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:49:14" (1/3) ... [2018-06-22 16:49:14,871 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4430aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:49:14, skipping insertion in model container [2018-06-22 16:49:14,871 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:14" (2/3) ... [2018-06-22 16:49:14,871 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4430aabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:49:14, skipping insertion in model container [2018-06-22 16:49:14,871 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:49:14" (3/3) ... [2018-06-22 16:49:14,873 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:49:14,883 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:49:14,893 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:49:14,943 INFO ]: Using default assertion order modulation [2018-06-22 16:49:14,944 INFO ]: Interprodecural is true [2018-06-22 16:49:14,944 INFO ]: Hoare is false [2018-06-22 16:49:14,944 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:49:14,944 INFO ]: Backedges is TWOTRACK [2018-06-22 16:49:14,944 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:49:14,944 INFO ]: Difference is false [2018-06-22 16:49:14,944 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:49:14,944 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:49:14,962 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:49:14,979 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:49:14,979 INFO ]: Found error trace [2018-06-22 16:49:14,981 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:49:14,981 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:49:14,987 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:49:14,989 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:49:14,990 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:49:15,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:15,042 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:15,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:15,176 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:15,542 WARN ]: Spent 102.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 16:49:15,545 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:49:15,548 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:49:15,548 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:49:15,550 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:49:15,564 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:49:15,565 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:49:15,567 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:49:15,719 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:49:15,720 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:49:15,721 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:49:15,723 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:49:15,723 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:49:15,737 INFO ]: With dead ends: 13 [2018-06-22 16:49:15,737 INFO ]: Without dead ends: 13 [2018-06-22 16:49:15,739 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:49:15,757 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:49:15,794 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:49:15,799 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:49:15,799 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:49:15,801 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:49:15,801 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:49:15,801 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:49:15,801 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:49:15,801 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:49:15,803 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:49:15,803 INFO ]: Found error trace [2018-06-22 16:49:15,803 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:49:15,803 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:49:15,803 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:49:15,803 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:49:15,803 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:49:15,804 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:15,804 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:15,804 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:15,957 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:17,058 WARN ]: Spent 814.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2018-06-22 16:49:17,153 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:49:17,153 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:49:17,153 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 16:49:17,164 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:17,320 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:17,333 INFO ]: Computing forward predicates... [2018-06-22 16:49:21,561 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:49:23,101 WARN ]: Simplifying disjunction of 139968 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:50:30,208 INFO ]: Timeout while computing interpolants [2018-06-22 16:50:30,408 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:50:30,409 WARN ]: Verification canceled [2018-06-22 16:50:30,413 WARN ]: Timeout [2018-06-22 16:50:30,414 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:50:30 BoogieIcfgContainer [2018-06-22 16:50:30,414 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:50:30,415 INFO ]: Toolchain (without parser) took 76230.40 ms. Allocated memory was 306.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 229.6 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:50:30,415 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:50:30,417 INFO ]: ChcToBoogie took 80.86 ms. Allocated memory is still 306.2 MB. Free memory was 229.6 MB in the beginning and 226.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:30,422 INFO ]: Boogie Preprocessor took 67.35 ms. Allocated memory is still 306.2 MB. Free memory was 226.6 MB in the beginning and 223.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:30,423 INFO ]: RCFGBuilder took 522.74 ms. Allocated memory was 306.2 MB in the beginning and 328.7 MB in the end (delta: 22.5 MB). Free memory was 223.6 MB in the beginning and 290.0 MB in the end (delta: -66.4 MB). Peak memory consumption was 43.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:30,423 INFO ]: TraceAbstraction took 75548.49 ms. Allocated memory was 328.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 290.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:50:30,425 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 80.86 ms. Allocated memory is still 306.2 MB. Free memory was 229.6 MB in the beginning and 226.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.35 ms. Allocated memory is still 306.2 MB. Free memory was 226.6 MB in the beginning and 223.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 522.74 ms. Allocated memory was 306.2 MB in the beginning and 328.7 MB in the end (delta: 22.5 MB). Free memory was 223.6 MB in the beginning and 290.0 MB in the end (delta: -66.4 MB). Peak memory consumption was 43.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75548.49 ms. Allocated memory was 328.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 290.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 139968 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/DRAGON_4_e7_2329_e7_3856.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-50-30-446.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e7_3856.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-50-30-446.csv Completed graceful shutdown