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_3_e1_4783.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:39:35,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:39:35,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:39:35,542 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:39:35,543 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:39:35,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:39:35,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:39:35,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:39:35,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:39:35,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:39:35,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:39:35,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:39:35,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:39:35,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:39:35,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:39:35,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:39:35,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:39:35,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:39:35,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:39:35,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:39:35,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:39:35,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:39:35,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:39:35,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:39:35,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:39:35,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:39:35,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:39:35,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:39:35,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:39:35,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:39:35,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:39:35,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:39:35,583 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:39:35,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:39:35,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:39:35,585 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 16:39:35,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:39:35,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:39:35,602 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:39:35,602 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:39:35,603 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:39:35,603 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:39:35,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:39:35,603 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:39:35,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:39:35,604 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:39:35,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:39:35,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:39:35,604 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:39:35,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:39:35,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:39:35,605 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:39:35,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:39:35,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:39:35,605 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:39:35,607 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:39:35,607 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:39:35,644 INFO ]: Repository-Root is: /tmp [2018-06-22 16:39:35,658 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:39:35,662 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:39:35,664 INFO ]: Initializing SmtParser... [2018-06-22 16:39:35,664 INFO ]: SmtParser initialized [2018-06-22 16:39:35,664 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783.smt2 [2018-06-22 16:39:35,666 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 16:39:35,736 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783.smt2 unknown [2018-06-22 16:39:36,384 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783.smt2 [2018-06-22 16:39:36,389 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:39:36,394 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:39:36,394 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:39:36,394 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:39:36,394 INFO ]: ChcToBoogie initialized [2018-06-22 16:39:36,397 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,462 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36 Unit [2018-06-22 16:39:36,462 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:39:36,462 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:39:36,463 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:39:36,463 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:39:36,497 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,498 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,517 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,517 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,535 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,537 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,543 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (1/1) ... [2018-06-22 16:39:36,549 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:39:36,550 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:39:36,550 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:39:36,550 INFO ]: RCFGBuilder initialized [2018-06-22 16:39:36,550 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (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 16:39:36,573 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:39:36,573 INFO ]: Found specification of procedure False [2018-06-22 16:39:36,573 INFO ]: Found implementation of procedure False [2018-06-22 16:39:36,573 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:39:36,573 INFO ]: Found specification of procedure state [2018-06-22 16:39:36,573 INFO ]: Found implementation of procedure state [2018-06-22 16:39:36,573 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:39:36,573 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:39:36,573 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 16:39:37,112 INFO ]: Using library mode [2018-06-22 16:39:37,113 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:39:37 BoogieIcfgContainer [2018-06-22 16:39:37,113 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:39:37,114 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:39:37,114 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:39:37,121 INFO ]: TraceAbstraction initialized [2018-06-22 16:39:37,121 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:39:36" (1/3) ... [2018-06-22 16:39:37,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3504a367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:39:37, skipping insertion in model container [2018-06-22 16:39:37,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:36" (2/3) ... [2018-06-22 16:39:37,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3504a367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:39:37, skipping insertion in model container [2018-06-22 16:39:37,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:39:37" (3/3) ... [2018-06-22 16:39:37,125 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:39:37,134 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:39:37,144 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:39:37,197 INFO ]: Using default assertion order modulation [2018-06-22 16:39:37,198 INFO ]: Interprodecural is true [2018-06-22 16:39:37,198 INFO ]: Hoare is false [2018-06-22 16:39:37,198 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:39:37,198 INFO ]: Backedges is TWOTRACK [2018-06-22 16:39:37,198 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:39:37,198 INFO ]: Difference is false [2018-06-22 16:39:37,198 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:39:37,198 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:39:37,216 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:39:37,234 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:39:37,234 INFO ]: Found error trace [2018-06-22 16:39:37,235 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:39:37,235 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:39:37,240 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:39:37,242 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:39:37,243 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:39:37,290 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:37,290 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:37,290 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:37,456 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:37,831 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:39:37,832 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:39:37,833 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:39:37,834 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:39:37,844 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:39:37,845 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:39:37,846 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:39:37,996 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:39:37,996 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:39:37,997 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:39:37,999 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:39:37,999 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:39:38,012 INFO ]: With dead ends: 13 [2018-06-22 16:39:38,013 INFO ]: Without dead ends: 13 [2018-06-22 16:39:38,014 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 16:39:38,034 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:39:38,069 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:39:38,070 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:39:38,071 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:39:38,072 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:39:38,072 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:39:38,072 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:39:38,072 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:39:38,073 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:39:38,074 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:39:38,074 INFO ]: Found error trace [2018-06-22 16:39:38,074 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:39:38,074 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:39:38,074 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:39:38,074 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:39:38,074 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:39:38,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:38,075 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:38,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:38,324 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:43,122 WARN ]: Spent 4.09 s on a formula simplification. DAG size of input: 479 DAG size of output: 218 [2018-06-22 16:39:43,270 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:39:43,270 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:39:43,270 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 16:39:43,286 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:43,432 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:43,445 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 16:40:45,579 INFO ]: Timeout while computing interpolants [2018-06-22 16:40:45,780 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:40:45,780 WARN ]: Verification canceled [2018-06-22 16:40:45,785 WARN ]: Timeout [2018-06-22 16:40:45,785 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:40:45 BoogieIcfgContainer [2018-06-22 16:40:45,785 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:40:45,786 INFO ]: Toolchain (without parser) took 69396.59 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 231.9 MB in the beginning and 782.3 MB in the end (delta: -550.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:40:45,787 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:40:45,787 INFO ]: ChcToBoogie took 67.91 ms. Allocated memory is still 309.3 MB. Free memory was 230.9 MB in the beginning and 227.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:45,788 INFO ]: Boogie Preprocessor took 86.49 ms. Allocated memory is still 309.3 MB. Free memory was 227.9 MB in the beginning and 225.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:45,788 INFO ]: RCFGBuilder took 563.22 ms. Allocated memory was 309.3 MB in the beginning and 325.1 MB in the end (delta: 15.7 MB). Free memory was 225.9 MB in the beginning and 286.2 MB in the end (delta: -60.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:45,788 INFO ]: TraceAbstraction took 68670.61 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.2 MB in the beginning and 782.3 MB in the end (delta: -496.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:40:45,801 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 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.91 ms. Allocated memory is still 309.3 MB. Free memory was 230.9 MB in the beginning and 227.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 86.49 ms. Allocated memory is still 309.3 MB. Free memory was 227.9 MB in the beginning and 225.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 563.22 ms. Allocated memory was 309.3 MB in the beginning and 325.1 MB in the end (delta: 15.7 MB). Free memory was 225.9 MB in the beginning and 286.2 MB in the end (delta: -60.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68670.61 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 286.2 MB in the beginning and 782.3 MB in the end (delta: -496.1 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 62 quantified variables from 75 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.6s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 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_3_e1_4783.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-40-45-810.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3_e1_4783.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-40-45-810.csv Completed graceful shutdown