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_12_e2_1618_e1_6030.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:14:33,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:14:33,423 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:14:33,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:14:33,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:14:33,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:14:33,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:14:33,441 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:14:33,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:14:33,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:14:33,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:14:33,445 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:14:33,446 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:14:33,447 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:14:33,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:14:33,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:14:33,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:14:33,453 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:14:33,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:14:33,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:14:33,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:14:33,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:14:33,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:14:33,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:14:33,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:14:33,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:14:33,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:14:33,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:14:33,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:14:33,467 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:14:33,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:14:33,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:14:33,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:14:33,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:14:33,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:14:33,471 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:14:33,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:14:33,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:14:33,486 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:14:33,486 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:14:33,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:14:33,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:14:33,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:14:33,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:14:33,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:14:33,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:14:33,489 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:14:33,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:14:33,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:14:33,490 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:14:33,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:14:33,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:14:33,491 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:14:33,492 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:14:33,493 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:14:33,545 INFO ]: Repository-Root is: /tmp [2018-06-18 14:14:33,565 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:14:33,571 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:14:33,573 INFO ]: Initializing SmtParser... [2018-06-18 14:14:33,573 INFO ]: SmtParser initialized [2018-06-18 14:14:33,574 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 [2018-06-18 14:14:33,576 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 14:14:33,680 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 unknown [2018-06-18 14:14:34,366 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e1_6030.smt2 [2018-06-18 14:14:34,371 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:14:34,377 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:14:34,378 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:14:34,378 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:14:34,378 INFO ]: ChcToBoogie initialized [2018-06-18 14:14:34,386 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,585 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34 Unit [2018-06-18 14:14:34,585 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:14:34,586 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:14:34,586 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:14:34,586 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:14:34,611 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,611 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,643 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,643 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,665 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,666 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,680 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (1/1) ... [2018-06-18 14:14:34,686 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:14:34,687 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:14:34,687 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:14:34,687 INFO ]: RCFGBuilder initialized [2018-06-18 14:14:34,688 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (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 14:14:34,712 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:14:34,712 INFO ]: Found specification of procedure False [2018-06-18 14:14:34,713 INFO ]: Found implementation of procedure False [2018-06-18 14:14:34,713 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:14:34,713 INFO ]: Found specification of procedure state [2018-06-18 14:14:34,713 INFO ]: Found implementation of procedure state [2018-06-18 14:14:34,713 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:14:34,713 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:14:34,713 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 14:14:35,157 INFO ]: Using library mode [2018-06-18 14:14:35,158 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:35 BoogieIcfgContainer [2018-06-18 14:14:35,158 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:14:35,162 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:14:35,162 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:14:35,169 INFO ]: TraceAbstraction initialized [2018-06-18 14:14:35,169 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:14:34" (1/3) ... [2018-06-18 14:14:35,170 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:14:35, skipping insertion in model container [2018-06-18 14:14:35,170 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:14:34" (2/3) ... [2018-06-18 14:14:35,171 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:14:35, skipping insertion in model container [2018-06-18 14:14:35,171 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:14:35" (3/3) ... [2018-06-18 14:14:35,173 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:14:35,184 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:14:35,197 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:14:35,255 INFO ]: Using default assertion order modulation [2018-06-18 14:14:35,256 INFO ]: Interprodecural is true [2018-06-18 14:14:35,256 INFO ]: Hoare is false [2018-06-18 14:14:35,256 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:14:35,256 INFO ]: Backedges is TWOTRACK [2018-06-18 14:14:35,256 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:14:35,256 INFO ]: Difference is false [2018-06-18 14:14:35,256 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:14:35,256 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:14:35,277 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:14:35,303 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:14:35,303 INFO ]: Found error trace [2018-06-18 14:14:35,304 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:35,306 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:35,311 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:14:35,312 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:35,313 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:35,353 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:35,353 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:35,353 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:35,466 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:35,481 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:35,799 WARN ]: Spent 103.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 1 [2018-06-18 14:14:35,802 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:14:35,806 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:14:35,806 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:14:35,809 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:14:35,824 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:14:35,825 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:14:35,827 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:14:36,009 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:14:36,009 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:14:36,010 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:14:36,011 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:14:36,012 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:14:36,031 INFO ]: With dead ends: 13 [2018-06-18 14:14:36,031 INFO ]: Without dead ends: 13 [2018-06-18 14:14:36,033 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:14:36,056 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:14:36,087 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:14:36,088 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:14:36,089 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:14:36,090 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:14:36,090 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:14:36,090 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:14:36,090 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:14:36,090 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:14:36,091 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:14:36,092 INFO ]: Found error trace [2018-06-18 14:14:36,092 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:14:36,092 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:14:36,092 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:14:36,092 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:14:36,092 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:14:36,093 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:36,093 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:36,093 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:14:36,235 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:36,236 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:14:37,652 WARN ]: Spent 1.05 s on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2018-06-18 14:14:37,847 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:14:37,847 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:14:37,847 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 14:14:37,856 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:14:38,043 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:14:38,060 INFO ]: Computing forward predicates... [2018-06-18 14:14:38,424 WARN ]: expecting exponential blowup for input size 18 [2018-06-18 14:14:44,492 WARN ]: Simplifying disjunction of 314928 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:15:51,351 INFO ]: Timeout while computing interpolants [2018-06-18 14:15:51,552 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:15:51,552 WARN ]: Verification canceled [2018-06-18 14:15:51,556 WARN ]: Timeout [2018-06-18 14:15:51,556 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:15:51 BoogieIcfgContainer [2018-06-18 14:15:51,556 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:15:51,557 INFO ]: Toolchain (without parser) took 77185.30 ms. Allocated memory was 308.3 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 231.7 MB in the beginning and 916.7 MB in the end (delta: -685.0 MB). Peak memory consumption was 808.6 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:51,559 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 14:15:51,560 INFO ]: ChcToBoogie took 207.39 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 222.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:51,560 INFO ]: Boogie Preprocessor took 100.32 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 14:15:51,561 INFO ]: RCFGBuilder took 471.18 ms. Allocated memory was 308.3 MB in the beginning and 331.4 MB in the end (delta: 23.1 MB). Free memory was 220.8 MB in the beginning and 287.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:51,561 INFO ]: TraceAbstraction took 76394.00 ms. Allocated memory was 331.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 287.6 MB in the beginning and 916.7 MB in the end (delta: -629.2 MB). Peak memory consumption was 841.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:15:51,573 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 207.39 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 222.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 100.32 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 471.18 ms. Allocated memory was 308.3 MB in the beginning and 331.4 MB in the end (delta: 23.1 MB). Free memory was 220.8 MB in the beginning and 287.6 MB in the end (delta: -66.8 MB). Peak memory consumption was 39.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 76394.00 ms. Allocated memory was 331.4 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 287.6 MB in the beginning and 916.7 MB in the end (delta: -629.2 MB). Peak memory consumption was 841.3 MB. 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 314928 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 76.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.1s 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, 0.0s 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_12_e2_1618_e1_6030.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-15-51-585.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618_e1_6030.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-15-51-585.csv Completed graceful shutdown