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_all_e3_4821_e2_1089.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:16:58,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:16:58,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:16:58,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:16:58,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:16:58,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:16:58,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:16:58,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:16:58,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:16:58,319 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:16:58,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:16:58,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:16:58,321 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:16:58,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:16:58,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:16:58,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:16:58,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:16:58,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:16:58,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:16:58,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:16:58,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:16:58,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:16:58,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:16:58,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:16:58,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:16:58,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:16:58,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:16:58,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:16:58,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:16:58,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:16:58,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:16:58,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:16:58,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:16:58,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:16:58,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:16:58,342 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 17:16:58,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:16:58,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:16:58,356 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:16:58,356 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:16:58,357 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:16:58,357 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:16:58,358 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:16:58,358 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:16:58,358 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:16:58,358 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:16:58,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:16:58,359 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:16:58,359 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:16:58,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:16:58,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:16:58,360 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:16:58,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:16:58,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:16:58,361 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:16:58,362 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:16:58,362 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:16:58,407 INFO ]: Repository-Root is: /tmp [2018-06-22 17:16:58,422 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:16:58,425 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:16:58,426 INFO ]: Initializing SmtParser... [2018-06-22 17:16:58,426 INFO ]: SmtParser initialized [2018-06-22 17:16:58,427 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 [2018-06-22 17:16:58,428 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 17:16:58,519 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 unknown [2018-06-22 17:16:59,216 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 [2018-06-22 17:16:59,224 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:16:59,235 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:16:59,235 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:16:59,235 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:16:59,235 INFO ]: ChcToBoogie initialized [2018-06-22 17:16:59,238 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,345 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59 Unit [2018-06-22 17:16:59,346 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:16:59,346 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:16:59,346 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:16:59,346 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:16:59,367 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,367 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,379 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,379 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,393 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,394 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,399 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (1/1) ... [2018-06-22 17:16:59,406 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:16:59,407 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:16:59,407 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:16:59,407 INFO ]: RCFGBuilder initialized [2018-06-22 17:16:59,408 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (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 17:16:59,436 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:16:59,436 INFO ]: Found specification of procedure False [2018-06-22 17:16:59,436 INFO ]: Found implementation of procedure False [2018-06-22 17:16:59,436 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:16:59,436 INFO ]: Found specification of procedure state [2018-06-22 17:16:59,436 INFO ]: Found implementation of procedure state [2018-06-22 17:16:59,436 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:16:59,436 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:16:59,436 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 17:16:59,915 INFO ]: Using library mode [2018-06-22 17:16:59,916 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:16:59 BoogieIcfgContainer [2018-06-22 17:16:59,916 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:16:59,917 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:16:59,917 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:16:59,925 INFO ]: TraceAbstraction initialized [2018-06-22 17:16:59,925 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:16:59" (1/3) ... [2018-06-22 17:16:59,926 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9283dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:16:59, skipping insertion in model container [2018-06-22 17:16:59,926 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:16:59" (2/3) ... [2018-06-22 17:16:59,926 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9283dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:16:59, skipping insertion in model container [2018-06-22 17:16:59,926 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:16:59" (3/3) ... [2018-06-22 17:16:59,928 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:16:59,938 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:16:59,948 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:16:59,999 INFO ]: Using default assertion order modulation [2018-06-22 17:16:59,999 INFO ]: Interprodecural is true [2018-06-22 17:16:59,999 INFO ]: Hoare is false [2018-06-22 17:16:59,999 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:16:59,999 INFO ]: Backedges is TWOTRACK [2018-06-22 17:16:59,999 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:16:59,999 INFO ]: Difference is false [2018-06-22 17:16:59,999 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:16:59,999 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:17:00,020 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:17:00,035 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:17:00,036 INFO ]: Found error trace [2018-06-22 17:17:00,036 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:17:00,037 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:17:00,043 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:17:00,045 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:17:00,046 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:17:00,094 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:17:00,094 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:17:00,094 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:17:00,236 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:17:00,708 WARN ]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2018-06-22 17:17:00,712 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:17:00,715 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:17:00,715 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:17:00,717 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:17:00,732 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:17:00,733 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:17:00,735 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:17:00,885 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:17:00,885 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:17:00,886 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:17:00,887 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:17:00,888 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:17:00,900 INFO ]: With dead ends: 13 [2018-06-22 17:17:00,900 INFO ]: Without dead ends: 13 [2018-06-22 17:17:00,904 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:17:00,921 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:17:00,957 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:17:00,958 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:17:00,959 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:17:00,960 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:17:00,961 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:17:00,961 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:17:00,961 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:17:00,961 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:17:00,962 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:17:00,962 INFO ]: Found error trace [2018-06-22 17:17:00,962 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:17:00,962 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:17:00,962 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:17:00,962 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:17:00,962 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:17:00,964 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:17:00,964 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:17:00,964 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:17:01,198 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:17:06,459 WARN ]: Spent 4.65 s on a formula simplification. DAG size of input: 486 DAG size of output: 294 [2018-06-22 17:17:06,622 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:17:06,622 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:17:06,622 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 17:17:06,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:17:06,790 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:17:06,807 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:18:08,314 INFO ]: Timeout while computing interpolants [2018-06-22 17:18:08,515 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:18:08,515 WARN ]: Verification canceled [2018-06-22 17:18:08,519 WARN ]: Timeout [2018-06-22 17:18:08,520 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:18:08 BoogieIcfgContainer [2018-06-22 17:18:08,520 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:18:08,521 INFO ]: Toolchain (without parser) took 69296.15 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:18:08,522 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:18:08,522 INFO ]: ChcToBoogie took 110.82 ms. Allocated memory is still 306.2 MB. Free memory was 227.8 MB in the beginning and 224.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:18:08,523 INFO ]: Boogie Preprocessor took 60.00 ms. Allocated memory is still 306.2 MB. Free memory was 224.8 MB in the beginning and 221.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:18:08,523 INFO ]: RCFGBuilder took 509.02 ms. Allocated memory was 306.2 MB in the beginning and 323.5 MB in the end (delta: 17.3 MB). Free memory was 221.8 MB in the beginning and 283.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 3.6 GB. [2018-06-22 17:18:08,524 INFO ]: TraceAbstraction took 68602.38 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 283.7 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:18:08,539 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 110.82 ms. Allocated memory is still 306.2 MB. Free memory was 227.8 MB in the beginning and 224.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.00 ms. Allocated memory is still 306.2 MB. Free memory was 224.8 MB in the beginning and 221.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 509.02 ms. Allocated memory was 306.2 MB in the beginning and 323.5 MB in the end (delta: 17.3 MB). Free memory was 221.8 MB in the beginning and 283.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68602.38 ms. Allocated memory was 323.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 283.7 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 63 quantified variables from 88 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.5s 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, 0.3s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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_all_e3_4821_e2_1089.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-18-08-554.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821_e2_1089.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-18-08-554.csv Completed graceful shutdown