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_e6_2061.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:18:50,339 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:18:50,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:18:50,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:18:50,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:18:50,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:18:50,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:18:50,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:18:50,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:18:50,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:18:50,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:18:50,368 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:18:50,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:18:50,370 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:18:50,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:18:50,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:18:50,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:18:50,388 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:18:50,389 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:18:50,390 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:18:50,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:18:50,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:18:50,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:18:50,394 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:18:50,394 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:18:50,395 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:18:50,396 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:18:50,396 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:18:50,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:18:50,397 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:18:50,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:18:50,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:18:50,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:18:50,399 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:18:50,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:18:50,400 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 17:18:50,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:18:50,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:18:50,417 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:18:50,417 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:18:50,418 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:18:50,418 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:18:50,418 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:18:50,418 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:18:50,419 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:18:50,419 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:18:50,419 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:18:50,419 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:18:50,419 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:18:50,419 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:18:50,420 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:18:50,420 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:18:50,420 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:18:50,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:18:50,420 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:18:50,422 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:18:50,422 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:18:50,457 INFO ]: Repository-Root is: /tmp [2018-06-22 17:18:50,473 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:18:50,478 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:18:50,480 INFO ]: Initializing SmtParser... [2018-06-22 17:18:50,480 INFO ]: SmtParser initialized [2018-06-22 17:18:50,481 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e6_2061.smt2 [2018-06-22 17:18:50,482 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 17:18:50,577 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e6_2061.smt2 unknown [2018-06-22 17:18:51,363 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e3_4821_e6_2061.smt2 [2018-06-22 17:18:51,368 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:18:51,375 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:18:51,375 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:18:51,375 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:18:51,375 INFO ]: ChcToBoogie initialized [2018-06-22 17:18:51,379 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,461 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51 Unit [2018-06-22 17:18:51,461 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:18:51,462 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:18:51,462 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:18:51,462 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:18:51,479 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,479 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,492 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,492 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,507 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,508 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,513 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... [2018-06-22 17:18:51,525 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:18:51,525 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:18:51,525 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:18:51,525 INFO ]: RCFGBuilder initialized [2018-06-22 17:18:51,526 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:18:51,541 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:18:51,541 INFO ]: Found specification of procedure False [2018-06-22 17:18:51,541 INFO ]: Found implementation of procedure False [2018-06-22 17:18:51,542 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:18:51,542 INFO ]: Found specification of procedure state [2018-06-22 17:18:51,542 INFO ]: Found implementation of procedure state [2018-06-22 17:18:51,542 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:18:51,542 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:18:51,542 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:18:51,932 INFO ]: Using library mode [2018-06-22 17:18:51,932 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:18:51 BoogieIcfgContainer [2018-06-22 17:18:51,932 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:18:51,935 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:18:51,935 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:18:51,941 INFO ]: TraceAbstraction initialized [2018-06-22 17:18:51,941 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:18:51" (1/3) ... [2018-06-22 17:18:51,942 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509e72c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:18:51, skipping insertion in model container [2018-06-22 17:18:51,942 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:18:51" (2/3) ... [2018-06-22 17:18:51,942 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509e72c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:18:51, skipping insertion in model container [2018-06-22 17:18:51,942 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:18:51" (3/3) ... [2018-06-22 17:18:51,944 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:18:51,953 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:18:51,961 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:18:52,013 INFO ]: Using default assertion order modulation [2018-06-22 17:18:52,013 INFO ]: Interprodecural is true [2018-06-22 17:18:52,013 INFO ]: Hoare is false [2018-06-22 17:18:52,014 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:18:52,014 INFO ]: Backedges is TWOTRACK [2018-06-22 17:18:52,014 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:18:52,014 INFO ]: Difference is false [2018-06-22 17:18:52,014 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:18:52,014 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:18:52,028 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:18:52,041 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:18:52,041 INFO ]: Found error trace [2018-06-22 17:18:52,041 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:18:52,042 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:18:52,046 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:18:52,048 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:18:52,048 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:18:52,079 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:18:52,079 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:18:52,079 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:18:52,202 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:18:52,886 WARN ]: Spent 439.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2018-06-22 17:18:52,890 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:18:52,892 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:18:52,892 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:18:52,894 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:18:52,908 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:18:52,908 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:18:52,911 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:18:53,053 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:18:53,053 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:18:53,054 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:18:53,054 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:18:53,055 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:18:53,063 INFO ]: With dead ends: 13 [2018-06-22 17:18:53,063 INFO ]: Without dead ends: 13 [2018-06-22 17:18:53,064 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 17:18:53,077 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:18:53,116 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:18:53,117 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:18:53,117 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:18:53,119 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:18:53,119 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:18:53,119 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:18:53,119 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:18:53,119 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:18:53,120 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:18:53,120 INFO ]: Found error trace [2018-06-22 17:18:53,120 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:18:53,121 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:18:53,121 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:18:53,121 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:18:53,121 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:18:53,123 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:18:53,123 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:18:53,123 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:18:53,385 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:18:57,416 WARN ]: Spent 3.33 s on a formula simplification. DAG size of input: 527 DAG size of output: 272 [2018-06-22 17:18:57,607 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:18:57,607 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:18:57,607 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 17:18:57,625 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:18:57,784 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:18:57,810 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:20:02,523 INFO ]: Timeout while computing interpolants [2018-06-22 17:20:02,724 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:20:02,724 WARN ]: Verification canceled [2018-06-22 17:20:02,727 WARN ]: Timeout [2018-06-22 17:20:02,727 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:20:02 BoogieIcfgContainer [2018-06-22 17:20:02,727 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:20:02,728 INFO ]: Toolchain (without parser) took 71359.79 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 232.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:20:02,729 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:20:02,729 INFO ]: ChcToBoogie took 86.25 ms. Allocated memory is still 309.9 MB. Free memory was 232.3 MB in the beginning and 229.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:02,729 INFO ]: Boogie Preprocessor took 62.87 ms. Allocated memory is still 309.9 MB. Free memory was 229.3 MB in the beginning and 227.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:02,729 INFO ]: RCFGBuilder took 407.26 ms. Allocated memory was 309.9 MB in the beginning and 326.6 MB in the end (delta: 16.8 MB). Free memory was 226.3 MB in the beginning and 286.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:20:02,734 INFO ]: TraceAbstraction took 70792.73 ms. Allocated memory was 326.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.8 MB in the beginning and 1.3 GB in the end (delta: -997.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:20:02,736 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 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 86.25 ms. Allocated memory is still 309.9 MB. Free memory was 232.3 MB in the beginning and 229.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.87 ms. Allocated memory is still 309.9 MB. Free memory was 229.3 MB in the beginning and 227.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 407.26 ms. Allocated memory was 309.9 MB in the beginning and 326.6 MB in the end (delta: 16.8 MB). Free memory was 226.3 MB in the beginning and 286.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70792.73 ms. Allocated memory was 326.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.8 MB in the beginning and 1.3 GB in the end (delta: -997.3 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 72 quantified variables from 97 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.7s 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, 0.6s 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_e6_2061.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-20-02-755.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e3_4821_e6_2061.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-20-02-755.csv Completed graceful shutdown