java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:53:03,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:53:03,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:53:03,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:53:03,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:53:03,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:53:03,324 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:53:03,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:53:03,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:53:03,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:53:03,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:53:03,330 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:53:03,330 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:53:03,331 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:53:03,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:53:03,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:53:03,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:53:03,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:53:03,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:53:03,342 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:53:03,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:53:03,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:53:03,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:53:03,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:53:03,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:53:03,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:53:03,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:53:03,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:53:03,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:53:03,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:53:03,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:53:03,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:53:03,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:53:03,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:53:03,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:53:03,354 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:53:03,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:53:03,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:53:03,369 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:53:03,369 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:53:03,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:53:03,371 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:53:03,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:53:03,371 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:53:03,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:53:03,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:53:03,372 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:53:03,372 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:53:03,372 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:53:03,372 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:53:03,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:53:03,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:53:03,373 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:53:03,375 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:53:03,375 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:53:03,421 INFO ]: Repository-Root is: /tmp [2018-06-18 14:53:03,436 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:53:03,440 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:53:03,441 INFO ]: Initializing SmtParser... [2018-06-18 14:53:03,441 INFO ]: SmtParser initialized [2018-06-18 14:53:03,442 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 [2018-06-18 14:53:03,444 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 [2018-06-18 14:53:03,543 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 unknown [2018-06-18 14:53:04,261 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e2_1089.smt2 [2018-06-18 14:53:04,277 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:53:04,284 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:53:04,284 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:53:04,284 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:53:04,284 INFO ]: ChcToBoogie initialized [2018-06-18 14:53:04,301 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,436 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04 Unit [2018-06-18 14:53:04,436 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:53:04,437 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:53:04,437 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:53:04,437 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:53:04,464 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,464 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,491 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,491 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,517 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,519 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,523 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (1/1) ... [2018-06-18 14:53:04,536 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:53:04,537 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:53:04,537 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:53:04,537 INFO ]: RCFGBuilder initialized [2018-06-18 14:53:04,538 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (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) [2018-06-18 14:53:04,567 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:53:04,567 INFO ]: Found specification of procedure False [2018-06-18 14:53:04,567 INFO ]: Found implementation of procedure False [2018-06-18 14:53:04,567 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:53:04,567 INFO ]: Found specification of procedure state [2018-06-18 14:53:04,567 INFO ]: Found implementation of procedure state [2018-06-18 14:53:04,568 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:53:04,568 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:53:04,568 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 [2018-06-18 14:53:05,132 INFO ]: Using library mode [2018-06-18 14:53:05,133 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:53:05 BoogieIcfgContainer [2018-06-18 14:53:05,133 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:53:05,135 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:53:05,140 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:53:05,144 INFO ]: TraceAbstraction initialized [2018-06-18 14:53:05,144 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:53:04" (1/3) ... [2018-06-18 14:53:05,145 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b903ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:53:05, skipping insertion in model container [2018-06-18 14:53:05,145 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:53:04" (2/3) ... [2018-06-18 14:53:05,145 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b903ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:53:05, skipping insertion in model container [2018-06-18 14:53:05,145 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:53:05" (3/3) ... [2018-06-18 14:53:05,148 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:53:05,159 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:53:05,170 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:53:05,224 INFO ]: Using default assertion order modulation [2018-06-18 14:53:05,225 INFO ]: Interprodecural is true [2018-06-18 14:53:05,225 INFO ]: Hoare is false [2018-06-18 14:53:05,225 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:53:05,225 INFO ]: Backedges is TWOTRACK [2018-06-18 14:53:05,225 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:53:05,225 INFO ]: Difference is false [2018-06-18 14:53:05,225 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:53:05,225 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:53:05,246 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:53:05,265 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:53:05,265 INFO ]: Found error trace [2018-06-18 14:53:05,267 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:53:05,267 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:53:05,272 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 14:53:05,275 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:53:05,275 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:53:05,333 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:53:05,333 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:53:05,333 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:53:05,532 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:53:05,544 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:53:06,146 WARN ]: Spent 218.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 5 [2018-06-18 14:53:06,149 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:53:06,151 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:53:06,151 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:53:06,153 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:53:06,164 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:53:06,164 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:53:06,166 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:53:06,333 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:53:06,333 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:53:06,334 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:53:06,336 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:53:06,336 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:53:06,351 INFO ]: With dead ends: 13 [2018-06-18 14:53:06,351 INFO ]: Without dead ends: 13 [2018-06-18 14:53:06,354 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 [2018-06-18 14:53:06,369 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:53:06,392 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:53:06,393 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:53:06,394 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:53:06,395 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:53:06,396 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:53:06,396 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:53:06,396 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:53:06,396 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:53:06,397 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:53:06,397 INFO ]: Found error trace [2018-06-18 14:53:06,397 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:53:06,398 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:53:06,398 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 14:53:06,398 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:53:06,398 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:53:06,399 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:53:06,399 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:53:06,399 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:53:06,631 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:53:06,632 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:53:16,583 WARN ]: Spent 9.08 s on a formula simplification. DAG size of input: 569 DAG size of output: 329 [2018-06-18 14:53:16,861 WARN ]: Spent 165.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 4 [2018-06-18 14:53:16,866 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:53:16,866 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:53:16,866 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 [2018-06-18 14:53:16,884 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:53:17,073 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:53:17,093 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:54:11,000 INFO ]: Timeout while computing interpolants [2018-06-18 14:54:11,202 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:54:11,202 WARN ]: Verification canceled [2018-06-18 14:54:11,208 WARN ]: Timeout [2018-06-18 14:54:11,208 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:54:11 BoogieIcfgContainer [2018-06-18 14:54:11,208 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:54:11,209 INFO ]: Toolchain (without parser) took 66931.37 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.7 MB in the beginning and 1.1 GB in the end (delta: -864.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:54:11,210 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:54:11,210 INFO ]: ChcToBoogie took 152.41 ms. Allocated memory is still 308.3 MB. Free memory was 228.7 MB in the beginning and 220.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:54:11,210 INFO ]: Boogie Preprocessor took 99.50 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 219.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 14:54:11,215 INFO ]: RCFGBuilder took 595.79 ms. Allocated memory is still 308.3 MB. Free memory was 218.8 MB in the beginning and 262.2 MB in the end (delta: -43.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:54:11,216 INFO ]: TraceAbstraction took 66073.29 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 262.2 MB in the beginning and 1.1 GB in the end (delta: -832.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:54:11,218 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 152.41 ms. Allocated memory is still 308.3 MB. Free memory was 228.7 MB in the beginning and 220.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.50 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 219.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 595.79 ms. Allocated memory is still 308.3 MB. Free memory was 218.8 MB in the beginning and 262.2 MB in the end (delta: -43.4 MB). Peak memory consumption was 37.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66073.29 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 262.2 MB in the beginning and 1.1 GB in the end (delta: -832.1 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 65 quantified variables from 84 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 65.9s 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, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-54-11-241.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821_e2_1089.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-54-11-241.csv Completed graceful shutdown