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_3_e1_4783_e1_3755.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:26:31,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:26:31,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:26:31,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:26:31,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:26:31,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:26:31,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:26:31,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:26:31,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:26:31,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:26:31,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:26:31,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:26:31,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:26:31,666 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:26:31,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:26:31,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:26:31,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:26:31,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:26:31,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:26:31,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:26:31,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:26:31,677 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:26:31,677 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:26:31,677 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:26:31,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:26:31,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:26:31,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:26:31,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:26:31,682 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:26:31,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:26:31,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:26:31,683 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:26:31,683 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:26:31,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:26:31,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:26:31,685 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:26:31,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:26:31,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:26:31,699 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:26:31,699 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:26:31,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:26:31,701 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:26:31,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:26:31,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:26:31,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:26:31,701 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:26:31,702 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:26:31,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:26:31,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:26:31,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:26:31,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:26:31,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:26:31,703 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:26:31,704 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:26:31,704 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:26:31,750 INFO ]: Repository-Root is: /tmp [2018-06-18 14:26:31,764 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:26:31,769 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:26:31,771 INFO ]: Initializing SmtParser... [2018-06-18 14:26:31,771 INFO ]: SmtParser initialized [2018-06-18 14:26:31,772 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e1_3755.smt2 [2018-06-18 14:26:31,773 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 14:26:31,859 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e1_3755.smt2 unknown [2018-06-18 14:26:32,603 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e1_3755.smt2 [2018-06-18 14:26:32,608 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:26:32,613 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:26:32,614 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:26:32,614 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:26:32,614 INFO ]: ChcToBoogie initialized [2018-06-18 14:26:32,620 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,762 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32 Unit [2018-06-18 14:26:32,762 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:26:32,762 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:26:32,763 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:26:32,763 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:26:32,787 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,787 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,817 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,817 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,830 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,831 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,837 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (1/1) ... [2018-06-18 14:26:32,843 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:26:32,843 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:26:32,843 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:26:32,843 INFO ]: RCFGBuilder initialized [2018-06-18 14:26:32,844 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (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 14:26:32,871 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:26:32,871 INFO ]: Found specification of procedure False [2018-06-18 14:26:32,871 INFO ]: Found implementation of procedure False [2018-06-18 14:26:32,871 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:26:32,871 INFO ]: Found specification of procedure state [2018-06-18 14:26:32,871 INFO ]: Found implementation of procedure state [2018-06-18 14:26:32,873 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:26:32,873 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:26:32,873 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 14:26:33,456 INFO ]: Using library mode [2018-06-18 14:26:33,457 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:26:33 BoogieIcfgContainer [2018-06-18 14:26:33,457 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:26:33,458 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:26:33,458 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:26:33,465 INFO ]: TraceAbstraction initialized [2018-06-18 14:26:33,466 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:26:32" (1/3) ... [2018-06-18 14:26:33,467 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39768af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:26:33, skipping insertion in model container [2018-06-18 14:26:33,467 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:26:32" (2/3) ... [2018-06-18 14:26:33,467 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39768af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:26:33, skipping insertion in model container [2018-06-18 14:26:33,467 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:26:33" (3/3) ... [2018-06-18 14:26:33,469 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:26:33,479 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:26:33,490 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:26:33,537 INFO ]: Using default assertion order modulation [2018-06-18 14:26:33,538 INFO ]: Interprodecural is true [2018-06-18 14:26:33,538 INFO ]: Hoare is false [2018-06-18 14:26:33,538 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:26:33,538 INFO ]: Backedges is TWOTRACK [2018-06-18 14:26:33,538 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:26:33,538 INFO ]: Difference is false [2018-06-18 14:26:33,538 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:26:33,538 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:26:33,556 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:26:33,568 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:26:33,568 INFO ]: Found error trace [2018-06-18 14:26:33,569 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:26:33,569 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:26:33,576 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:26:33,578 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:26:33,579 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:26:33,634 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:26:33,634 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:26:33,634 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:26:33,780 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:26:33,792 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:26:34,206 WARN ]: Spent 183.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-06-18 14:26:34,209 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:26:34,214 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:26:34,214 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:26:34,215 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:26:34,227 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:26:34,227 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:26:34,230 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:26:34,400 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:26:34,400 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:26:34,401 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:26:34,403 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:26:34,403 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:26:34,420 INFO ]: With dead ends: 13 [2018-06-18 14:26:34,420 INFO ]: Without dead ends: 13 [2018-06-18 14:26:34,423 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 14:26:34,442 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:26:34,482 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:26:34,483 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:26:34,484 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:26:34,485 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:26:34,485 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:26:34,485 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:26:34,486 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:26:34,486 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:26:34,487 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:26:34,487 INFO ]: Found error trace [2018-06-18 14:26:34,487 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:26:34,487 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:26:34,488 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:26:34,488 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:26:34,488 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:26:34,489 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:26:34,489 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:26:34,489 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:26:34,805 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:26:34,806 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:26:39,387 WARN ]: Spent 3.74 s on a formula simplification. DAG size of input: 477 DAG size of output: 259 [2018-06-18 14:26:40,050 WARN ]: Spent 440.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2018-06-18 14:26:40,054 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:26:40,054 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:26:40,054 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 14:26:40,074 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:26:40,232 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:26:40,246 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:27:42,342 INFO ]: Timeout while computing interpolants [2018-06-18 14:27:42,592 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:27:42,592 WARN ]: Verification canceled [2018-06-18 14:27:42,595 WARN ]: Timeout [2018-06-18 14:27:42,596 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:27:42 BoogieIcfgContainer [2018-06-18 14:27:42,596 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:27:42,596 INFO ]: Toolchain (without parser) took 69988.07 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.8 MB in the beginning and 569.3 MB in the end (delta: -338.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:27:42,597 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:27:42,598 INFO ]: ChcToBoogie took 148.38 ms. Allocated memory is still 307.2 MB. Free memory was 230.8 MB in the beginning and 222.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:27:42,598 INFO ]: Boogie Preprocessor took 80.29 ms. Allocated memory is still 307.2 MB. Free memory was 222.8 MB in the beginning and 220.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:27:42,598 INFO ]: RCFGBuilder took 613.70 ms. Allocated memory was 307.2 MB in the beginning and 324.5 MB in the end (delta: 17.3 MB). Free memory was 220.8 MB in the beginning and 283.2 MB in the end (delta: -62.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:27:42,599 INFO ]: TraceAbstraction took 69137.16 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.7 MB in the beginning and 569.3 MB in the end (delta: -287.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:27:42,601 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 307.2 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 148.38 ms. Allocated memory is still 307.2 MB. Free memory was 230.8 MB in the beginning and 222.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.29 ms. Allocated memory is still 307.2 MB. Free memory was 222.8 MB in the beginning and 220.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 613.70 ms. Allocated memory was 307.2 MB in the beginning and 324.5 MB in the end (delta: 17.3 MB). Free memory was 220.8 MB in the beginning and 283.2 MB in the end (delta: -62.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69137.16 ms. Allocated memory was 324.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.7 MB in the beginning and 569.3 MB in the end (delta: -287.6 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 63 quantified variables from 76 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.0s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 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_e1_3755.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-27-42-612.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3_e1_4783_e1_3755.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-27-42-612.csv Completed graceful shutdown