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_13_e3_1418_e3_2761.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:24:53,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:24:53,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:24:53,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:24:53,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:24:53,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:24:53,388 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:24:53,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:24:53,392 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:24:53,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:24:53,395 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:24:53,395 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:24:53,396 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:24:53,397 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:24:53,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:24:53,402 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:24:53,403 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:24:53,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:24:53,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:24:53,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:24:53,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:24:53,422 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:24:53,423 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:24:53,423 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:24:53,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:24:53,424 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:24:53,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:24:53,454 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:24:53,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:24:53,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:24:53,456 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:24:53,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:24:53,461 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:24:53,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:24:53,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:24:53,463 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 16:24:53,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:24:53,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:24:53,478 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:24:53,479 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:24:53,480 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:24:53,480 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:24:53,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:24:53,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:24:53,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:24:53,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:24:53,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:24:53,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:24:53,481 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:24:53,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:24:53,482 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:24:53,482 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:24:53,482 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:24:53,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:24:53,482 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:24:53,484 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:24:53,484 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:24:53,527 INFO ]: Repository-Root is: /tmp [2018-06-22 16:24:53,539 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:24:53,543 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:24:53,545 INFO ]: Initializing SmtParser... [2018-06-22 16:24:53,545 INFO ]: SmtParser initialized [2018-06-22 16:24:53,546 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e3_1418_e3_2761.smt2 [2018-06-22 16:24:53,547 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 16:24:53,635 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e3_1418_e3_2761.smt2 unknown [2018-06-22 16:24:54,324 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13_e3_1418_e3_2761.smt2 [2018-06-22 16:24:54,338 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:24:54,344 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:24:54,344 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:24:54,344 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:24:54,344 INFO ]: ChcToBoogie initialized [2018-06-22 16:24:54,357 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,437 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54 Unit [2018-06-22 16:24:54,437 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:24:54,438 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:24:54,438 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:24:54,438 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:24:54,463 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,463 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,483 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,483 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,495 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,496 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,500 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (1/1) ... [2018-06-22 16:24:54,506 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:24:54,507 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:24:54,507 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:24:54,507 INFO ]: RCFGBuilder initialized [2018-06-22 16:24:54,508 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (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 16:24:54,521 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:24:54,522 INFO ]: Found specification of procedure False [2018-06-22 16:24:54,522 INFO ]: Found implementation of procedure False [2018-06-22 16:24:54,522 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:24:54,522 INFO ]: Found specification of procedure state [2018-06-22 16:24:54,522 INFO ]: Found implementation of procedure state [2018-06-22 16:24:54,522 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:24:54,522 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:24:54,522 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:24:55,042 INFO ]: Using library mode [2018-06-22 16:24:55,043 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:24:55 BoogieIcfgContainer [2018-06-22 16:24:55,043 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:24:55,044 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:24:55,044 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:24:55,051 INFO ]: TraceAbstraction initialized [2018-06-22 16:24:55,051 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:24:54" (1/3) ... [2018-06-22 16:24:55,052 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c0746e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:24:55, skipping insertion in model container [2018-06-22 16:24:55,052 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:24:54" (2/3) ... [2018-06-22 16:24:55,052 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c0746e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:24:55, skipping insertion in model container [2018-06-22 16:24:55,052 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:24:55" (3/3) ... [2018-06-22 16:24:55,055 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:24:55,065 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:24:55,076 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:24:55,129 INFO ]: Using default assertion order modulation [2018-06-22 16:24:55,129 INFO ]: Interprodecural is true [2018-06-22 16:24:55,129 INFO ]: Hoare is false [2018-06-22 16:24:55,130 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:24:55,130 INFO ]: Backedges is TWOTRACK [2018-06-22 16:24:55,130 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:24:55,130 INFO ]: Difference is false [2018-06-22 16:24:55,130 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:24:55,130 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:24:55,149 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:24:55,163 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:24:55,163 INFO ]: Found error trace [2018-06-22 16:24:55,165 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:24:55,166 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:24:55,172 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:24:55,174 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:24:55,174 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:24:55,209 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:55,209 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:55,209 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:55,334 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:55,598 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:24:55,600 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:24:55,600 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:24:55,601 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:24:55,616 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:24:55,616 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:24:55,619 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:24:55,779 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:24:55,780 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:24:55,781 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:24:55,782 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:24:55,782 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:24:55,793 INFO ]: With dead ends: 13 [2018-06-22 16:24:55,793 INFO ]: Without dead ends: 13 [2018-06-22 16:24:55,798 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:24:55,814 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:24:55,840 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:24:55,841 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:24:55,842 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:24:55,843 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:24:55,843 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:24:55,843 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:24:55,843 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:24:55,844 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:24:55,845 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:24:55,845 INFO ]: Found error trace [2018-06-22 16:24:55,846 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:24:55,846 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:24:55,846 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:24:55,846 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:24:55,846 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:24:55,847 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:55,847 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:55,847 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:24:55,985 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:57,616 WARN ]: Spent 1.26 s on a formula simplification. DAG size of input: 124 DAG size of output: 99 [2018-06-22 16:24:57,698 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:24:57,698 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:24:57,698 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 16:24:57,709 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:24:57,857 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:24:57,869 INFO ]: Computing forward predicates... [2018-06-22 16:24:58,090 WARN ]: expecting exponential blowup for input size 27 Received shutdown request... [2018-06-22 16:25:41,727 INFO ]: Timeout while computing interpolants [2018-06-22 16:25:41,928 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:25:41,928 WARN ]: Verification canceled [2018-06-22 16:25:41,931 WARN ]: Timeout [2018-06-22 16:25:41,931 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:25:41 BoogieIcfgContainer [2018-06-22 16:25:41,931 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:25:41,932 INFO ]: Toolchain (without parser) took 47594.08 ms. Allocated memory was 307.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 228.2 MB in the beginning and 1.1 GB in the end (delta: -823.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:25:41,933 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:25:41,933 INFO ]: ChcToBoogie took 93.51 ms. Allocated memory is still 307.8 MB. Free memory was 228.2 MB in the beginning and 224.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:41,933 INFO ]: Boogie Preprocessor took 68.34 ms. Allocated memory is still 307.8 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:41,934 INFO ]: RCFGBuilder took 535.31 ms. Allocated memory was 307.8 MB in the beginning and 325.6 MB in the end (delta: 17.8 MB). Free memory was 222.2 MB in the beginning and 285.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:25:41,934 INFO ]: TraceAbstraction took 46887.36 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 285.0 MB in the beginning and 1.1 GB in the end (delta: -766.3 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:25:41,946 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.51 ms. Allocated memory is still 307.8 MB. Free memory was 228.2 MB in the beginning and 224.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 68.34 ms. Allocated memory is still 307.8 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 535.31 ms. Allocated memory was 307.8 MB in the beginning and 325.6 MB in the end (delta: 17.8 MB). Free memory was 222.2 MB in the beginning and 285.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 46887.36 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 285.0 MB in the beginning and 1.1 GB in the end (delta: -766.3 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 27 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 46.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13_e3_1418_e3_2761.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-25-41-964.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13_e3_1418_e3_2761.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-25-41-964.csv Completed graceful shutdown