java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:18:12,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:18:12,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:18:12,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:18:12,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:18:12,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:18:12,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:18:12,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:18:12,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:18:12,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:18:12,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:18:12,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:18:12,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:18:12,619 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:18:12,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:18:12,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:18:12,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:18:12,638 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:18:12,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:18:12,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:18:12,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:18:12,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:18:12,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:18:12,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:18:12,651 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:18:12,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:18:12,658 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:18:12,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:18:12,660 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:18:12,660 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:18:12,668 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:18:12,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:18:12,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:18:12,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:18:12,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:18:12,672 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:18:12,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:18:12,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:18:12,699 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:18:12,699 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:18:12,701 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:18:12,701 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:18:12,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:18:12,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:18:12,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:18:12,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:18:12,705 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:18:12,706 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:18:12,706 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:18:12,706 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:18:12,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:18:12,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:18:12,707 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:18:12,708 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:18:12,709 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:18:12,772 INFO ]: Repository-Root is: /tmp [2018-06-18 14:18:12,790 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:18:12,796 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:18:12,797 INFO ]: Initializing SmtParser... [2018-06-18 14:18:12,798 INFO ]: SmtParser initialized [2018-06-18 14:18:12,798 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 [2018-06-18 14:18:12,800 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 [2018-06-18 14:18:12,905 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 unknown [2018-06-18 14:18:13,523 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e1_2392.smt2 [2018-06-18 14:18:13,528 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:18:13,533 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:18:13,534 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:18:13,534 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:18:13,534 INFO ]: ChcToBoogie initialized [2018-06-18 14:18:13,541 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,685 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13 Unit [2018-06-18 14:18:13,685 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:18:13,686 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:18:13,686 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:18:13,686 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:18:13,710 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,711 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,740 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,740 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,761 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,763 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,769 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (1/1) ... [2018-06-18 14:18:13,775 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:18:13,776 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:18:13,776 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:18:13,776 INFO ]: RCFGBuilder initialized [2018-06-18 14:18:13,777 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (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) [2018-06-18 14:18:13,809 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:18:13,809 INFO ]: Found specification of procedure False [2018-06-18 14:18:13,809 INFO ]: Found implementation of procedure False [2018-06-18 14:18:13,809 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:18:13,809 INFO ]: Found specification of procedure state [2018-06-18 14:18:13,809 INFO ]: Found implementation of procedure state [2018-06-18 14:18:13,809 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:18:13,809 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:18:13,809 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 [2018-06-18 14:18:14,398 INFO ]: Using library mode [2018-06-18 14:18:14,400 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:18:14 BoogieIcfgContainer [2018-06-18 14:18:14,400 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:18:14,401 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:18:14,401 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:18:14,406 INFO ]: TraceAbstraction initialized [2018-06-18 14:18:14,406 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:18:13" (1/3) ... [2018-06-18 14:18:14,407 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:18:14, skipping insertion in model container [2018-06-18 14:18:14,407 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:18:13" (2/3) ... [2018-06-18 14:18:14,407 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649ae47d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:18:14, skipping insertion in model container [2018-06-18 14:18:14,407 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:18:14" (3/3) ... [2018-06-18 14:18:14,410 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:18:14,420 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:18:14,429 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:18:14,477 INFO ]: Using default assertion order modulation [2018-06-18 14:18:14,478 INFO ]: Interprodecural is true [2018-06-18 14:18:14,478 INFO ]: Hoare is false [2018-06-18 14:18:14,478 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:18:14,478 INFO ]: Backedges is TWOTRACK [2018-06-18 14:18:14,478 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:18:14,478 INFO ]: Difference is false [2018-06-18 14:18:14,478 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:18:14,478 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:18:14,497 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:18:14,516 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:18:14,516 INFO ]: Found error trace [2018-06-18 14:18:14,519 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:18:14,519 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:18:14,525 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:18:14,527 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:18:14,527 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:18:14,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:18:14,583 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:18:14,583 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:18:14,791 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:18:14,810 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:18:15,183 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:18:15,185 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:18:15,185 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:18:15,187 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:18:15,200 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:18:15,200 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:18:15,202 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:18:15,400 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:18:15,400 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:18:15,401 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:18:15,402 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:18:15,403 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:18:15,424 INFO ]: With dead ends: 13 [2018-06-18 14:18:15,424 INFO ]: Without dead ends: 13 [2018-06-18 14:18:15,427 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 [2018-06-18 14:18:15,448 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:18:15,477 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:18:15,478 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:18:15,479 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:18:15,480 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:18:15,481 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:18:15,481 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:18:15,481 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:18:15,481 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:18:15,482 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:18:15,482 INFO ]: Found error trace [2018-06-18 14:18:15,482 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:18:15,483 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:18:15,483 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:18:15,483 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:18:15,483 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:18:15,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:18:15,484 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:18:15,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:18:15,693 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:18:15,694 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:18:17,984 WARN ]: Spent 1.84 s on a formula simplification. DAG size of input: 159 DAG size of output: 130 [2018-06-18 14:18:18,441 WARN ]: Spent 374.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-06-18 14:18:18,731 WARN ]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 1 [2018-06-18 14:18:18,735 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:18:18,735 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:18:18,735 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 [2018-06-18 14:18:18,745 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:18:18,924 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:18:18,943 INFO ]: Computing forward predicates... [2018-06-18 14:18:19,118 WARN ]: expecting exponential blowup for input size 33 Received shutdown request... [2018-06-18 14:19:10,305 INFO ]: Timeout while computing interpolants [2018-06-18 14:19:10,505 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:19:10,506 WARN ]: Verification canceled [2018-06-18 14:19:10,512 WARN ]: Timeout [2018-06-18 14:19:10,512 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:19:10 BoogieIcfgContainer [2018-06-18 14:19:10,512 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:19:10,519 INFO ]: Toolchain (without parser) took 56984.77 ms. Allocated memory was 308.3 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 231.7 MB in the beginning and 1.2 GB in the end (delta: -986.6 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:19:10,520 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:19:10,521 INFO ]: ChcToBoogie took 151.37 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 224.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:19:10,521 INFO ]: Boogie Preprocessor took 89.33 ms. Allocated memory is still 308.3 MB. Free memory was 224.7 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:19:10,522 INFO ]: RCFGBuilder took 624.45 ms. Allocated memory was 308.3 MB in the beginning and 325.6 MB in the end (delta: 17.3 MB). Free memory was 222.8 MB in the beginning and 284.8 MB in the end (delta: -62.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:19:10,522 INFO ]: TraceAbstraction took 56110.70 ms. Allocated memory was 325.6 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 283.3 MB in the beginning and 1.2 GB in the end (delta: -935.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:19:10,540 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 151.37 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 224.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.33 ms. Allocated memory is still 308.3 MB. Free memory was 224.7 MB in the beginning and 222.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 624.45 ms. Allocated memory was 308.3 MB in the beginning and 325.6 MB in the end (delta: 17.3 MB). Free memory was 222.8 MB in the beginning and 284.8 MB in the end (delta: -62.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 56110.70 ms. Allocated memory was 325.6 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 283.3 MB in the beginning and 1.2 GB in the end (delta: -935.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 33 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 56.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 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_14_e1_2392.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-19-10-578.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e1_2392.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-19-10-578.csv Completed graceful shutdown