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_all_e3_4821.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:19:26,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:19:26,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:19:26,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:19:26,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:19:26,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:19:26,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:19:26,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:19:26,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:19:26,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:19:26,317 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:19:26,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:19:26,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:19:26,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:19:26,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:19:26,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:19:26,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:19:26,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:19:26,334 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:19:26,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:19:26,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:19:26,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:19:26,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:19:26,343 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:19:26,344 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:19:26,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:19:26,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:19:26,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:19:26,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:19:26,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:19:26,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:19:26,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:19:26,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:19:26,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:19:26,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:19:26,353 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 17:19:26,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:19:26,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:19:26,378 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:19:26,379 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:19:26,380 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:19:26,380 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:19:26,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:19:26,380 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:19:26,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:19:26,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:19:26,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:19:26,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:19:26,381 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:19:26,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:19:26,382 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:19:26,382 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:19:26,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:19:26,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:19:26,384 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:19:26,385 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:19:26,385 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:19:26,433 INFO ]: Repository-Root is: /tmp [2018-06-22 17:19:26,446 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:19:26,449 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:19:26,450 INFO ]: Initializing SmtParser... [2018-06-22 17:19:26,451 INFO ]: SmtParser initialized [2018-06-22 17:19:26,451 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821.smt2 [2018-06-22 17:19:26,452 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 17:19:26,551 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821.smt2 unknown [2018-06-22 17:19:27,174 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821.smt2 [2018-06-22 17:19:27,178 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:19:27,193 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:19:27,193 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:19:27,193 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:19:27,193 INFO ]: ChcToBoogie initialized [2018-06-22 17:19:27,196 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,279 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27 Unit [2018-06-22 17:19:27,279 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:19:27,280 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:19:27,280 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:19:27,280 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:19:27,300 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,301 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,315 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,315 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,330 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,331 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,336 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (1/1) ... [2018-06-22 17:19:27,342 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:19:27,343 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:19:27,343 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:19:27,343 INFO ]: RCFGBuilder initialized [2018-06-22 17:19:27,344 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (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 17:19:27,354 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:19:27,354 INFO ]: Found specification of procedure False [2018-06-22 17:19:27,354 INFO ]: Found implementation of procedure False [2018-06-22 17:19:27,354 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:19:27,354 INFO ]: Found specification of procedure state [2018-06-22 17:19:27,354 INFO ]: Found implementation of procedure state [2018-06-22 17:19:27,354 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:19:27,354 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:19:27,354 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 17:19:27,867 INFO ]: Using library mode [2018-06-22 17:19:27,868 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:19:27 BoogieIcfgContainer [2018-06-22 17:19:27,868 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:19:27,870 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:19:27,870 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:19:27,873 INFO ]: TraceAbstraction initialized [2018-06-22 17:19:27,873 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:19:27" (1/3) ... [2018-06-22 17:19:27,875 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40804f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:19:27, skipping insertion in model container [2018-06-22 17:19:27,876 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:19:27" (2/3) ... [2018-06-22 17:19:27,876 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40804f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:19:27, skipping insertion in model container [2018-06-22 17:19:27,876 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:19:27" (3/3) ... [2018-06-22 17:19:27,878 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:19:27,887 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:19:27,898 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:19:27,950 INFO ]: Using default assertion order modulation [2018-06-22 17:19:27,950 INFO ]: Interprodecural is true [2018-06-22 17:19:27,950 INFO ]: Hoare is false [2018-06-22 17:19:27,950 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:19:27,950 INFO ]: Backedges is TWOTRACK [2018-06-22 17:19:27,951 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:19:27,951 INFO ]: Difference is false [2018-06-22 17:19:27,951 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:19:27,951 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:19:27,967 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:19:27,980 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:19:27,980 INFO ]: Found error trace [2018-06-22 17:19:27,981 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:19:27,981 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:19:27,986 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:19:27,988 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:19:27,989 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:19:28,036 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:19:28,036 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:19:28,036 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:19:28,198 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:19:28,942 WARN ]: Spent 443.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2018-06-22 17:19:28,945 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:19:28,947 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:19:28,947 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:19:28,949 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:19:28,959 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:19:28,959 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:19:28,961 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:19:29,126 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:19:29,126 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:19:29,127 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:19:29,129 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:19:29,129 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:19:29,143 INFO ]: With dead ends: 13 [2018-06-22 17:19:29,143 INFO ]: Without dead ends: 13 [2018-06-22 17:19:29,146 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:19:29,165 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:19:29,205 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:19:29,207 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:19:29,207 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:19:29,209 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:19:29,209 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:19:29,209 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:19:29,209 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:19:29,209 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:19:29,211 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:19:29,211 INFO ]: Found error trace [2018-06-22 17:19:29,211 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:19:29,211 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:19:29,211 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:19:29,211 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:19:29,211 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:19:29,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:19:29,212 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:19:29,212 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:19:29,423 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:19:33,759 WARN ]: Spent 3.66 s on a formula simplification. DAG size of input: 504 DAG size of output: 277 [2018-06-22 17:19:34,524 WARN ]: Spent 497.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 18 [2018-06-22 17:19:34,528 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:19:34,528 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:19:34,528 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 [2018-06-22 17:19:34,548 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:19:34,723 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:19:34,748 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:20:38,795 INFO ]: Timeout while computing interpolants [2018-06-22 17:20:38,996 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:20:38,996 WARN ]: Verification canceled [2018-06-22 17:20:39,000 WARN ]: Timeout [2018-06-22 17:20:39,001 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:20:39 BoogieIcfgContainer [2018-06-22 17:20:39,001 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:20:39,002 INFO ]: Toolchain (without parser) took 71822.81 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 226.7 MB in the beginning and 248.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:20:39,003 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 270.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:20:39,003 INFO ]: ChcToBoogie took 86.20 ms. Allocated memory is still 306.2 MB. Free memory was 226.7 MB in the beginning and 222.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:39,003 INFO ]: Boogie Preprocessor took 62.43 ms. Allocated memory is still 306.2 MB. Free memory was 222.7 MB in the beginning and 220.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:39,004 INFO ]: RCFGBuilder took 524.79 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 220.7 MB in the beginning and 284.3 MB in the end (delta: -63.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:39,004 INFO ]: TraceAbstraction took 71130.80 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 284.3 MB in the beginning and 248.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:20:39,015 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 306.2 MB. Free memory is still 270.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 86.20 ms. Allocated memory is still 306.2 MB. Free memory was 226.7 MB in the beginning and 222.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.43 ms. Allocated memory is still 306.2 MB. Free memory was 222.7 MB in the beginning and 220.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 524.79 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 220.7 MB in the beginning and 284.3 MB in the end (delta: -63.7 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71130.80 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 284.3 MB in the beginning and 248.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 70 quantified variables from 99 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.0s 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, 0.5s 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, 0.7s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-20-39-032.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-20-39-032.csv Completed graceful shutdown