java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:31:32,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:31:32,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:31:32,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:31:32,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:31:32,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:31:32,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:31:32,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:31:32,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:31:32,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:31:32,349 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:31:32,349 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:31:32,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:31:32,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:31:32,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:31:32,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:31:32,356 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:31:32,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:31:32,366 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:31:32,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:31:32,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:31:32,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:31:32,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:31:32,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:31:32,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:31:32,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:31:32,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:31:32,377 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:31:32,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:31:32,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:31:32,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:31:32,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:31:32,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:31:32,382 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:31:32,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:31:32,384 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 16:31:32,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:31:32,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:31:32,398 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:31:32,398 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:31:32,399 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:31:32,399 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:31:32,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:31:32,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:31:32,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:31:32,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:31:32,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:31:32,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:31:32,401 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:31:32,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:31:32,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:31:32,401 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:31:32,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:31:32,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:31:32,402 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:31:32,404 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:31:32,404 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:31:32,456 INFO ]: Repository-Root is: /tmp [2018-06-22 16:31:32,468 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:31:32,472 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:31:32,473 INFO ]: Initializing SmtParser... [2018-06-22 16:31:32,474 INFO ]: SmtParser initialized [2018-06-22 16:31:32,474 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14.smt2 [2018-06-22 16:31:32,476 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 16:31:32,571 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14.smt2 unknown [2018-06-22 16:31:33,208 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14.smt2 [2018-06-22 16:31:33,212 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:31:33,233 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:31:33,234 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:31:33,234 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:31:33,234 INFO ]: ChcToBoogie initialized [2018-06-22 16:31:33,237 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,307 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33 Unit [2018-06-22 16:31:33,308 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:31:33,308 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:31:33,308 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:31:33,308 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:31:33,339 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,339 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,364 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,364 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,393 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,394 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,407 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... [2018-06-22 16:31:33,412 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:31:33,412 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:31:33,412 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:31:33,412 INFO ]: RCFGBuilder initialized [2018-06-22 16:31:33,416 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 16:31:33,431 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:31:33,431 INFO ]: Found specification of procedure False [2018-06-22 16:31:33,431 INFO ]: Found implementation of procedure False [2018-06-22 16:31:33,431 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:31:33,431 INFO ]: Found specification of procedure state [2018-06-22 16:31:33,431 INFO ]: Found implementation of procedure state [2018-06-22 16:31:33,431 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:31:33,431 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:31:33,431 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:31:34,031 INFO ]: Using library mode [2018-06-22 16:31:34,031 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:31:34 BoogieIcfgContainer [2018-06-22 16:31:34,031 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:31:34,033 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:31:34,033 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:31:34,036 INFO ]: TraceAbstraction initialized [2018-06-22 16:31:34,036 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:31:33" (1/3) ... [2018-06-22 16:31:34,037 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88860fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:31:34, skipping insertion in model container [2018-06-22 16:31:34,037 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:31:33" (2/3) ... [2018-06-22 16:31:34,037 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88860fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:31:34, skipping insertion in model container [2018-06-22 16:31:34,037 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:31:34" (3/3) ... [2018-06-22 16:31:34,039 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:31:34,048 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:31:34,057 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:31:34,105 INFO ]: Using default assertion order modulation [2018-06-22 16:31:34,106 INFO ]: Interprodecural is true [2018-06-22 16:31:34,106 INFO ]: Hoare is false [2018-06-22 16:31:34,106 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:31:34,106 INFO ]: Backedges is TWOTRACK [2018-06-22 16:31:34,106 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:31:34,106 INFO ]: Difference is false [2018-06-22 16:31:34,106 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:31:34,106 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:31:34,123 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:31:34,138 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:31:34,138 INFO ]: Found error trace [2018-06-22 16:31:34,139 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:31:34,139 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:31:34,146 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:31:34,148 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:31:34,148 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:31:34,187 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:31:34,187 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:31:34,187 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:31:34,303 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:31:34,684 WARN ]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 16:31:34,686 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:31:34,689 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:31:34,689 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:31:34,691 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:31:34,706 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:31:34,706 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:31:34,709 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:31:34,863 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:31:34,863 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:31:34,864 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:31:34,866 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:31:34,866 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:31:34,876 INFO ]: With dead ends: 13 [2018-06-22 16:31:34,876 INFO ]: Without dead ends: 13 [2018-06-22 16:31:34,878 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:31:34,891 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:31:34,910 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:31:34,912 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:31:34,912 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:31:34,913 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:31:34,914 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:31:34,914 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:31:34,914 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:31:34,914 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:31:34,915 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:31:34,915 INFO ]: Found error trace [2018-06-22 16:31:34,915 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:31:34,915 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:31:34,915 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:31:34,915 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:31:34,915 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:31:34,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:31:34,916 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:31:34,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:31:35,049 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:31:36,638 WARN ]: Spent 1.10 s on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2018-06-22 16:31:36,984 WARN ]: Spent 214.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 1 [2018-06-22 16:31:36,987 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:31:36,987 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:31:36,987 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) [2018-06-22 16:31:37,003 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:31:37,199 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:31:37,213 INFO ]: Computing forward predicates... [2018-06-22 16:31:37,365 WARN ]: expecting exponential blowup for input size 33 Received shutdown request... [2018-06-22 16:32:20,549 INFO ]: Timeout while computing interpolants [2018-06-22 16:32:20,750 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:32:20,750 WARN ]: Verification canceled [2018-06-22 16:32:20,755 WARN ]: Timeout [2018-06-22 16:32:20,755 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:32:20 BoogieIcfgContainer [2018-06-22 16:32:20,755 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:32:20,756 INFO ]: Toolchain (without parser) took 47543.44 ms. Allocated memory was 304.1 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 226.6 MB in the beginning and 1.2 GB in the end (delta: -959.9 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:32:20,757 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:32:20,757 INFO ]: ChcToBoogie took 74.14 ms. Allocated memory is still 304.1 MB. Free memory was 226.6 MB in the beginning and 222.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:32:20,758 INFO ]: Boogie Preprocessor took 103.38 ms. Allocated memory is still 304.1 MB. Free memory was 222.6 MB in the beginning and 220.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:32:20,758 INFO ]: RCFGBuilder took 619.33 ms. Allocated memory was 304.1 MB in the beginning and 327.7 MB in the end (delta: 23.6 MB). Free memory was 220.6 MB in the beginning and 288.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:32:20,759 INFO ]: TraceAbstraction took 46722.53 ms. Allocated memory was 327.7 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 288.7 MB in the beginning and 1.2 GB in the end (delta: -897.8 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:32:20,765 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 74.14 ms. Allocated memory is still 304.1 MB. Free memory was 226.6 MB in the beginning and 222.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 103.38 ms. Allocated memory is still 304.1 MB. Free memory was 222.6 MB in the beginning and 220.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 619.33 ms. Allocated memory was 304.1 MB in the beginning and 327.7 MB in the end (delta: 23.6 MB). Free memory was 220.6 MB in the beginning and 288.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 46722.53 ms. Allocated memory was 327.7 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 288.7 MB in the beginning and 1.2 GB in the end (delta: -897.8 MB). Peak memory consumption was 3.3 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 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, 46.6s 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, 0.2s 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, 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_14.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-32-20-775.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-32-20-775.csv Completed graceful shutdown