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_14_e2_3606.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:19:12,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:19:12,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:19:12,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:19:12,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:19:12,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:19:12,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:19:12,439 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:19:12,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:19:12,442 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:19:12,443 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:19:12,443 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:19:12,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:19:12,447 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:19:12,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:19:12,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:19:12,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:19:12,459 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:19:12,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:19:12,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:19:12,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:19:12,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:19:12,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:19:12,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:19:12,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:19:12,472 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:19:12,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:19:12,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:19:12,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:19:12,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:19:12,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:19:12,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:19:12,480 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:19:12,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:19:12,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:19:12,482 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:19:12,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:19:12,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:19:12,503 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:19:12,503 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:19:12,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:19:12,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:19:12,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:19:12,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:19:12,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:19:12,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:19:12,508 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:19:12,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:19:12,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:19:12,508 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:19:12,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:19:12,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:19:12,509 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:19:12,510 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:19:12,512 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:19:12,559 INFO ]: Repository-Root is: /tmp [2018-06-18 14:19:12,583 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:19:12,590 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:19:12,592 INFO ]: Initializing SmtParser... [2018-06-18 14:19:12,592 INFO ]: SmtParser initialized [2018-06-18 14:19:12,592 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 [2018-06-18 14:19:12,594 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 14:19:12,690 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 unknown [2018-06-18 14:19:13,339 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 [2018-06-18 14:19:13,344 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:19:13,350 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:19:13,350 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:19:13,350 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:19:13,350 INFO ]: ChcToBoogie initialized [2018-06-18 14:19:13,357 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,514 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13 Unit [2018-06-18 14:19:13,514 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:19:13,515 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:19:13,515 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:19:13,515 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:19:13,540 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,541 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,559 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,559 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,573 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,574 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,579 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (1/1) ... [2018-06-18 14:19:13,586 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:19:13,587 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:19:13,587 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:19:13,587 INFO ]: RCFGBuilder initialized [2018-06-18 14:19:13,591 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (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 14:19:13,610 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:19:13,610 INFO ]: Found specification of procedure False [2018-06-18 14:19:13,610 INFO ]: Found implementation of procedure False [2018-06-18 14:19:13,610 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:19:13,610 INFO ]: Found specification of procedure state [2018-06-18 14:19:13,610 INFO ]: Found implementation of procedure state [2018-06-18 14:19:13,610 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:19:13,610 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:19:13,610 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 14:19:14,159 INFO ]: Using library mode [2018-06-18 14:19:14,160 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:19:14 BoogieIcfgContainer [2018-06-18 14:19:14,160 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:19:14,161 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:19:14,161 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:19:14,166 INFO ]: TraceAbstraction initialized [2018-06-18 14:19:14,167 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:19:13" (1/3) ... [2018-06-18 14:19:14,168 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:19:14, skipping insertion in model container [2018-06-18 14:19:14,168 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:19:13" (2/3) ... [2018-06-18 14:19:14,168 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:19:14, skipping insertion in model container [2018-06-18 14:19:14,168 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:19:14" (3/3) ... [2018-06-18 14:19:14,170 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:19:14,180 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:19:14,191 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:19:14,244 INFO ]: Using default assertion order modulation [2018-06-18 14:19:14,245 INFO ]: Interprodecural is true [2018-06-18 14:19:14,245 INFO ]: Hoare is false [2018-06-18 14:19:14,245 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:19:14,245 INFO ]: Backedges is TWOTRACK [2018-06-18 14:19:14,245 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:19:14,245 INFO ]: Difference is false [2018-06-18 14:19:14,245 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:19:14,245 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:19:14,265 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:19:14,279 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:19:14,279 INFO ]: Found error trace [2018-06-18 14:19:14,280 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:19:14,280 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:19:14,287 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:19:14,289 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:19:14,290 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:19:14,343 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:19:14,344 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:19:14,344 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:19:14,501 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:19:14,512 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:19:14,817 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:19:14,820 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:19:14,820 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:19:14,821 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:19:14,834 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:19:14,834 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:19:14,836 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:19:14,983 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:19:14,983 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:19:14,984 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:19:14,986 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:19:14,986 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:19:15,001 INFO ]: With dead ends: 13 [2018-06-18 14:19:15,001 INFO ]: Without dead ends: 13 [2018-06-18 14:19:15,003 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 14:19:15,022 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:19:15,055 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:19:15,057 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:19:15,057 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:19:15,059 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:19:15,059 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:19:15,059 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:19:15,059 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:19:15,059 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:19:15,060 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:19:15,060 INFO ]: Found error trace [2018-06-18 14:19:15,060 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:19:15,061 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:19:15,061 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:19:15,061 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:19:15,061 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:19:15,062 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:19:15,062 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:19:15,062 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:19:15,178 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:19:15,179 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:19:16,796 WARN ]: Spent 1.12 s on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2018-06-18 14:19:16,886 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:19:16,886 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:19:16,886 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 14:19:16,895 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:19:17,090 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:19:17,109 INFO ]: Computing forward predicates... [2018-06-18 14:19:17,296 WARN ]: expecting exponential blowup for input size 33 Received shutdown request... [2018-06-18 14:20:05,045 INFO ]: Timeout while computing interpolants [2018-06-18 14:20:05,246 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:20:05,246 WARN ]: Verification canceled [2018-06-18 14:20:05,250 WARN ]: Timeout [2018-06-18 14:20:05,250 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:20:05 BoogieIcfgContainer [2018-06-18 14:20:05,250 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:20:05,250 INFO ]: Toolchain (without parser) took 51905.47 ms. Allocated memory was 307.8 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 230.4 MB in the beginning and 1.1 GB in the end (delta: -896.3 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:20:05,251 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 307.8 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:20:05,251 INFO ]: ChcToBoogie took 164.06 ms. Allocated memory is still 307.8 MB. Free memory was 230.4 MB in the beginning and 224.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:20:05,252 INFO ]: Boogie Preprocessor took 71.65 ms. Allocated memory is still 307.8 MB. Free memory was 224.4 MB in the beginning and 222.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:20:05,258 INFO ]: RCFGBuilder took 573.27 ms. Allocated memory was 307.8 MB in the beginning and 329.3 MB in the end (delta: 21.5 MB). Free memory was 222.4 MB in the beginning and 286.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. [2018-06-18 14:20:05,259 INFO ]: TraceAbstraction took 51088.72 ms. Allocated memory was 329.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 286.6 MB in the beginning and 1.1 GB in the end (delta: -840.1 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 14:20:05,268 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 307.8 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 164.06 ms. Allocated memory is still 307.8 MB. Free memory was 230.4 MB in the beginning and 224.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 71.65 ms. Allocated memory is still 307.8 MB. Free memory was 224.4 MB in the beginning and 222.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 573.27 ms. Allocated memory was 307.8 MB in the beginning and 329.3 MB in the end (delta: 21.5 MB). Free memory was 222.4 MB in the beginning and 286.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 51088.72 ms. Allocated memory was 329.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 286.6 MB in the beginning and 1.1 GB in the end (delta: -840.1 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 33 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 51.0s 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, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e2_3606.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-20-05-283.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e2_3606.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-20-05-283.csv Completed graceful shutdown