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_e2_6104_e3_2607.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:51:52,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:51:52,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:51:52,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:51:52,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:51:52,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:51:52,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:51:52,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:51:52,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:51:52,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:51:52,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:51:52,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:51:52,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:51:52,298 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:51:52,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:51:52,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:51:52,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:51:52,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:51:52,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:51:52,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:51:52,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:51:52,343 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:51:52,343 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:51:52,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:51:52,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:51:52,345 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:51:52,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:51:52,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:51:52,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:51:52,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:51:52,357 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:51:52,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:51:52,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:51:52,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:51:52,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:51:52,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:51:52,386 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:51:52,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:51:52,388 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:51:52,389 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:51:52,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:51:52,390 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:51:52,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:51:52,391 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:51:52,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:51:52,391 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:51:52,391 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:51:52,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:51:52,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:51:52,395 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:51:52,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:51:52,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:51:52,395 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:51:52,397 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:51:52,397 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:51:52,451 INFO ]: Repository-Root is: /tmp [2018-06-18 14:51:52,470 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:51:52,474 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:51:52,476 INFO ]: Initializing SmtParser... [2018-06-18 14:51:52,476 INFO ]: SmtParser initialized [2018-06-18 14:51:52,477 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e3_2607.smt2 [2018-06-18 14:51:52,478 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 14:51:52,579 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e3_2607.smt2 unknown [2018-06-18 14:51:53,186 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e3_2607.smt2 [2018-06-18 14:51:53,200 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:51:53,207 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:51:53,207 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:51:53,207 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:51:53,208 INFO ]: ChcToBoogie initialized [2018-06-18 14:51:53,224 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,389 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53 Unit [2018-06-18 14:51:53,389 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:51:53,390 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:51:53,390 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:51:53,390 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:51:53,414 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,414 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,438 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,438 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,452 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,454 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,460 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... [2018-06-18 14:51:53,467 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:51:53,468 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:51:53,468 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:51:53,468 INFO ]: RCFGBuilder initialized [2018-06-18 14:51:53,469 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:51:53,487 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:51:53,487 INFO ]: Found specification of procedure False [2018-06-18 14:51:53,487 INFO ]: Found implementation of procedure False [2018-06-18 14:51:53,487 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:51:53,487 INFO ]: Found specification of procedure state [2018-06-18 14:51:53,487 INFO ]: Found implementation of procedure state [2018-06-18 14:51:53,487 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:51:53,487 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:51:53,487 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:51:54,270 INFO ]: Using library mode [2018-06-18 14:51:54,271 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:51:54 BoogieIcfgContainer [2018-06-18 14:51:54,271 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:51:54,272 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:51:54,272 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:51:54,278 INFO ]: TraceAbstraction initialized [2018-06-18 14:51:54,278 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:51:53" (1/3) ... [2018-06-18 14:51:54,279 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b1315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:51:54, skipping insertion in model container [2018-06-18 14:51:54,279 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:53" (2/3) ... [2018-06-18 14:51:54,280 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467b1315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:51:54, skipping insertion in model container [2018-06-18 14:51:54,280 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:51:54" (3/3) ... [2018-06-18 14:51:54,281 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:51:54,292 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:51:54,304 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:51:54,356 INFO ]: Using default assertion order modulation [2018-06-18 14:51:54,356 INFO ]: Interprodecural is true [2018-06-18 14:51:54,356 INFO ]: Hoare is false [2018-06-18 14:51:54,356 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:51:54,357 INFO ]: Backedges is TWOTRACK [2018-06-18 14:51:54,357 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:51:54,357 INFO ]: Difference is false [2018-06-18 14:51:54,357 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:51:54,357 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:51:54,375 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:51:54,396 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:51:54,396 INFO ]: Found error trace [2018-06-18 14:51:54,397 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:51:54,398 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:51:54,404 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:51:54,407 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:51:54,407 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:51:54,446 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:54,446 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:51:54,446 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:54,626 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:51:54,638 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:51:55,207 WARN ]: Spent 261.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 9 [2018-06-18 14:51:55,211 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:51:55,242 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:51:55,242 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:51:55,243 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:51:55,255 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:51:55,255 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:51:55,257 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:51:55,407 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:51:55,407 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:51:55,408 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:51:55,410 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:51:55,410 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:51:55,428 INFO ]: With dead ends: 13 [2018-06-18 14:51:55,428 INFO ]: Without dead ends: 13 [2018-06-18 14:51:55,430 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 14:51:55,451 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:51:55,477 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:51:55,478 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:51:55,479 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:51:55,480 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:51:55,481 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:51:55,481 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:51:55,481 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:51:55,481 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:51:55,482 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:51:55,482 INFO ]: Found error trace [2018-06-18 14:51:55,482 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:51:55,482 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:51:55,483 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:51:55,483 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:51:55,483 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:51:55,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:55,484 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:51:55,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:55,730 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:51:55,739 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:52:04,816 WARN ]: Spent 8.21 s on a formula simplification. DAG size of input: 563 DAG size of output: 365 [2018-06-18 14:52:05,105 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:52:05,105 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:52:05,105 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 14:52:05,123 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:52:05,345 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:52:05,365 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:53:02,115 INFO ]: Timeout while computing interpolants [2018-06-18 14:53:02,317 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:53:02,317 WARN ]: Verification canceled [2018-06-18 14:53:02,320 WARN ]: Timeout [2018-06-18 14:53:02,321 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:53:02 BoogieIcfgContainer [2018-06-18 14:53:02,321 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:53:02,321 INFO ]: Toolchain (without parser) took 69120.64 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:53:02,323 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:53:02,323 INFO ]: ChcToBoogie took 182.10 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 222.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:53:02,323 INFO ]: Boogie Preprocessor took 77.18 ms. Allocated memory is still 308.3 MB. Free memory was 222.8 MB in the beginning and 220.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:53:02,324 INFO ]: RCFGBuilder took 803.11 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 264.8 MB in the end (delta: -44.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:53:02,324 INFO ]: TraceAbstraction took 68048.38 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 263.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:53:02,327 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 182.10 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 222.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 77.18 ms. Allocated memory is still 308.3 MB. Free memory was 222.8 MB in the beginning and 220.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 803.11 ms. Allocated memory is still 308.3 MB. Free memory was 220.8 MB in the beginning and 264.8 MB in the end (delta: -44.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68048.38 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 263.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 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 74 quantified variables from 106 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.9s 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, 0.5s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_e2_6104_e3_2607.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-53-02-343.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e2_6104_e3_2607.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-53-02-343.csv Completed graceful shutdown