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_11_e1_2450.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:11:44,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:11:44,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:11:44,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:11:44,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:11:44,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:11:44,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:11:44,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:11:44,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:11:44,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:11:44,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:11:44,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:11:44,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:11:44,598 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:11:44,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:11:44,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:11:44,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:11:44,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:11:44,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:11:44,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:11:44,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:11:44,609 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:11:44,609 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:11:44,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:11:44,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:11:44,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:11:44,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:11:44,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:11:44,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:11:44,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:11:44,615 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:11:44,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:11:44,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:11:44,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:11:44,618 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:11:44,618 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:11:44,632 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:11:44,632 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:11:44,632 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:11:44,633 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:11:44,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:11:44,634 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:11:44,634 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:11:44,635 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:11:44,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:11:44,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:11:44,635 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:11:44,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:11:44,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:11:44,636 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:11:44,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:11:44,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:11:44,637 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:11:44,638 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:11:44,639 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:11:44,680 INFO ]: Repository-Root is: /tmp [2018-06-18 14:11:44,700 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:11:44,707 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:11:44,708 INFO ]: Initializing SmtParser... [2018-06-18 14:11:44,709 INFO ]: SmtParser initialized [2018-06-18 14:11:44,709 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 [2018-06-18 14:11:44,711 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 14:11:44,808 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 unknown [2018-06-18 14:11:45,477 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_11_e1_2450.smt2 [2018-06-18 14:11:45,482 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:11:45,496 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:11:45,497 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:11:45,497 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:11:45,497 INFO ]: ChcToBoogie initialized [2018-06-18 14:11:45,512 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,635 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45 Unit [2018-06-18 14:11:45,635 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:11:45,636 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:11:45,636 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:11:45,636 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:11:45,660 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,660 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,686 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,686 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,701 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,703 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,707 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (1/1) ... [2018-06-18 14:11:45,713 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:11:45,714 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:11:45,714 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:11:45,714 INFO ]: RCFGBuilder initialized [2018-06-18 14:11:45,715 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (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 [2018-06-18 14:11:45,743 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:11:45,744 INFO ]: Found specification of procedure False [2018-06-18 14:11:45,744 INFO ]: Found implementation of procedure False [2018-06-18 14:11:45,744 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:11:45,744 INFO ]: Found specification of procedure state [2018-06-18 14:11:45,744 INFO ]: Found implementation of procedure state [2018-06-18 14:11:45,744 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:11:45,744 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:11:45,744 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:11:46,325 INFO ]: Using library mode [2018-06-18 14:11:46,326 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:11:46 BoogieIcfgContainer [2018-06-18 14:11:46,326 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:11:46,327 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:11:46,327 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:11:46,335 INFO ]: TraceAbstraction initialized [2018-06-18 14:11:46,335 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:11:45" (1/3) ... [2018-06-18 14:11:46,337 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e61dc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:11:46, skipping insertion in model container [2018-06-18 14:11:46,337 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:11:45" (2/3) ... [2018-06-18 14:11:46,337 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e61dc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:11:46, skipping insertion in model container [2018-06-18 14:11:46,337 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:11:46" (3/3) ... [2018-06-18 14:11:46,339 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:11:46,350 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:11:46,362 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:11:46,417 INFO ]: Using default assertion order modulation [2018-06-18 14:11:46,418 INFO ]: Interprodecural is true [2018-06-18 14:11:46,418 INFO ]: Hoare is false [2018-06-18 14:11:46,418 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:11:46,418 INFO ]: Backedges is TWOTRACK [2018-06-18 14:11:46,418 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:11:46,418 INFO ]: Difference is false [2018-06-18 14:11:46,418 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:11:46,418 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:11:46,437 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:11:46,455 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:11:46,455 INFO ]: Found error trace [2018-06-18 14:11:46,458 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:11:46,458 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:11:46,463 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:11:46,465 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:11:46,466 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:11:46,518 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:46,519 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:11:46,519 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:46,676 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:11:46,688 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:11:46,921 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:11:46,923 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:11:46,923 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:11:46,925 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:11:46,936 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:11:46,936 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:11:46,939 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:11:47,108 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:11:47,108 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:11:47,109 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:11:47,110 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:11:47,110 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:11:47,130 INFO ]: With dead ends: 13 [2018-06-18 14:11:47,130 INFO ]: Without dead ends: 13 [2018-06-18 14:11:47,132 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:11:47,162 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:11:47,206 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:11:47,207 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:11:47,208 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:11:47,209 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:11:47,210 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:11:47,210 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:11:47,210 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:11:47,210 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:11:47,211 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:11:47,211 INFO ]: Found error trace [2018-06-18 14:11:47,211 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:11:47,212 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:11:47,212 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:11:47,212 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:11:47,212 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:11:47,213 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:47,213 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:11:47,213 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:11:47,368 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:11:47,369 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:11:48,676 WARN ]: Spent 938.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2018-06-18 14:11:48,834 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:11:48,834 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:11:48,834 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 14:11:48,853 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:11:49,074 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:11:49,091 INFO ]: Computing forward predicates... [2018-06-18 14:11:49,527 WARN ]: expecting exponential blowup for input size 19 [2018-06-18 14:11:53,798 WARN ]: Simplifying disjunction of 279936 conjuctions. This might take some time... Received shutdown request... [2018-06-18 14:13:03,604 INFO ]: Timeout while computing interpolants [2018-06-18 14:13:03,805 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:13:03,805 WARN ]: Verification canceled [2018-06-18 14:13:03,809 WARN ]: Timeout [2018-06-18 14:13:03,809 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:13:03 BoogieIcfgContainer [2018-06-18 14:13:03,809 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:13:03,811 INFO ]: Toolchain (without parser) took 78328.11 ms. Allocated memory was 308.3 MB in the beginning and 1.1 GB in the end (delta: 827.3 MB). Free memory was 230.9 MB in the beginning and 352.8 MB in the end (delta: -121.9 MB). Peak memory consumption was 742.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:03,812 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:13:03,812 INFO ]: ChcToBoogie took 138.52 ms. Allocated memory is still 308.3 MB. Free memory was 230.9 MB in the beginning and 223.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:03,812 INFO ]: Boogie Preprocessor took 77.74 ms. Allocated memory is still 308.3 MB. Free memory was 223.9 MB in the beginning and 221.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:03,813 INFO ]: RCFGBuilder took 611.71 ms. Allocated memory was 308.3 MB in the beginning and 325.6 MB in the end (delta: 17.3 MB). Free memory was 221.9 MB in the beginning and 284.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:03,813 INFO ]: TraceAbstraction took 77482.09 ms. Allocated memory was 325.6 MB in the beginning and 1.1 GB in the end (delta: 810.0 MB). Free memory was 282.7 MB in the beginning and 352.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 776.7 MB. Max. memory is 3.6 GB. [2018-06-18 14:13:03,824 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 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 138.52 ms. Allocated memory is still 308.3 MB. Free memory was 230.9 MB in the beginning and 223.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 77.74 ms. Allocated memory is still 308.3 MB. Free memory was 223.9 MB in the beginning and 221.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 611.71 ms. Allocated memory was 308.3 MB in the beginning and 325.6 MB in the end (delta: 17.3 MB). Free memory was 221.9 MB in the beginning and 284.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77482.09 ms. Allocated memory was 325.6 MB in the beginning and 1.1 GB in the end (delta: 810.0 MB). Free memory was 282.7 MB in the beginning and 352.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 776.7 MB. 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 XNF transformer was simplifying 279936 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.4s 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, 0.0s 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_11_e1_2450.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-13-03-835.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_11_e1_2450.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-13-03-835.csv Completed graceful shutdown