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.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:29:10,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:29:10,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:29:10,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:29:10,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:29:10,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:29:10,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:29:10,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:29:10,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:29:10,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:29:10,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:29:10,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:29:10,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:29:10,599 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:29:10,603 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:29:10,604 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:29:10,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:29:10,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:29:10,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:29:10,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:29:10,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:29:10,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:29:10,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:29:10,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:29:10,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:29:10,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:29:10,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:29:10,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:29:10,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:29:10,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:29:10,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:29:10,645 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:29:10,645 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:29:10,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:29:10,646 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:29:10,647 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:29:10,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:29:10,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:29:10,678 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:29:10,679 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:29:10,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:29:10,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:29:10,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:29:10,681 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:29:10,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:29:10,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:29:10,685 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:29:10,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:29:10,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:29:10,686 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:29:10,686 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:29:10,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:29:10,686 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:29:10,688 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:29:10,689 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:29:10,740 INFO ]: Repository-Root is: /tmp [2018-06-18 14:29:10,759 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:29:10,765 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:29:10,766 INFO ]: Initializing SmtParser... [2018-06-18 14:29:10,767 INFO ]: SmtParser initialized [2018-06-18 14:29:10,767 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 [2018-06-18 14:29:10,769 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 14:29:10,862 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 unknown [2018-06-18 14:29:11,684 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3.smt2 [2018-06-18 14:29:11,690 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:29:11,705 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:29:11,706 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:29:11,706 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:29:11,706 INFO ]: ChcToBoogie initialized [2018-06-18 14:29:11,713 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,844 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11 Unit [2018-06-18 14:29:11,844 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:29:11,848 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:29:11,848 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:29:11,848 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:29:11,872 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,873 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,896 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,896 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,909 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,910 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,916 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (1/1) ... [2018-06-18 14:29:11,922 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:29:11,923 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:29:11,923 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:29:11,923 INFO ]: RCFGBuilder initialized [2018-06-18 14:29:11,924 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (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 14:29:11,938 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:29:11,938 INFO ]: Found specification of procedure False [2018-06-18 14:29:11,938 INFO ]: Found implementation of procedure False [2018-06-18 14:29:11,938 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:29:11,938 INFO ]: Found specification of procedure state [2018-06-18 14:29:11,938 INFO ]: Found implementation of procedure state [2018-06-18 14:29:11,939 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:29:11,939 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:29:11,939 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:29:12,554 INFO ]: Using library mode [2018-06-18 14:29:12,556 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:29:12 BoogieIcfgContainer [2018-06-18 14:29:12,556 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:29:12,558 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:29:12,558 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:29:12,563 INFO ]: TraceAbstraction initialized [2018-06-18 14:29:12,564 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:29:11" (1/3) ... [2018-06-18 14:29:12,565 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:29:12, skipping insertion in model container [2018-06-18 14:29:12,565 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:11" (2/3) ... [2018-06-18 14:29:12,565 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:29:12, skipping insertion in model container [2018-06-18 14:29:12,565 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:29:12" (3/3) ... [2018-06-18 14:29:12,567 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:29:12,577 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:29:12,590 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:29:12,640 INFO ]: Using default assertion order modulation [2018-06-18 14:29:12,641 INFO ]: Interprodecural is true [2018-06-18 14:29:12,641 INFO ]: Hoare is false [2018-06-18 14:29:12,641 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:29:12,641 INFO ]: Backedges is TWOTRACK [2018-06-18 14:29:12,641 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:29:12,641 INFO ]: Difference is false [2018-06-18 14:29:12,641 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:29:12,641 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:29:12,663 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:29:12,681 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:29:12,681 INFO ]: Found error trace [2018-06-18 14:29:12,682 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:29:12,682 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:29:12,688 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:29:12,691 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:29:12,691 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:29:12,744 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:12,744 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:12,744 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:12,890 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:12,902 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:29:13,473 WARN ]: Spent 337.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-06-18 14:29:13,477 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:29:13,480 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:29:13,480 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:29:13,482 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:29:13,498 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:29:13,498 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:29:13,501 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:29:13,660 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:29:13,660 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:29:13,662 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:29:13,663 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:29:13,664 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:29:13,679 INFO ]: With dead ends: 13 [2018-06-18 14:29:13,679 INFO ]: Without dead ends: 13 [2018-06-18 14:29:13,684 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:29:13,703 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:29:13,734 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:29:13,735 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:29:13,736 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:29:13,737 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:29:13,737 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:29:13,737 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:29:13,737 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:29:13,737 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:29:13,739 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:29:13,739 INFO ]: Found error trace [2018-06-18 14:29:13,739 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:29:13,739 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:29:13,739 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:29:13,739 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:29:13,739 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:29:13,740 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:13,740 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:13,740 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:14,002 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:14,003 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:29:19,696 WARN ]: Spent 5.01 s on a formula simplification. DAG size of input: 406 DAG size of output: 251 [2018-06-18 14:29:19,972 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:29:19,973 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:29:19,973 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 14:29:19,991 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:20,180 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:20,194 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:30:20,176 INFO ]: Timeout while computing interpolants [2018-06-18 14:30:20,378 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:30:20,378 WARN ]: Verification canceled [2018-06-18 14:30:20,382 WARN ]: Timeout [2018-06-18 14:30:20,382 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:30:20 BoogieIcfgContainer [2018-06-18 14:30:20,382 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:30:20,384 INFO ]: Toolchain (without parser) took 68693.17 ms. Allocated memory was 300.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 222.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:30:20,385 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 300.4 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:30:20,385 INFO ]: ChcToBoogie took 138.56 ms. Allocated memory is still 300.4 MB. Free memory was 222.9 MB in the beginning and 214.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:20,385 INFO ]: Boogie Preprocessor took 73.80 ms. Allocated memory is still 300.4 MB. Free memory was 214.9 MB in the beginning and 212.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:20,386 INFO ]: RCFGBuilder took 633.48 ms. Allocated memory was 300.4 MB in the beginning and 325.1 MB in the end (delta: 24.6 MB). Free memory was 212.9 MB in the beginning and 281.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:20,391 INFO ]: TraceAbstraction took 67825.31 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:30:20,394 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 300.4 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 138.56 ms. Allocated memory is still 300.4 MB. Free memory was 222.9 MB in the beginning and 214.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 73.80 ms. Allocated memory is still 300.4 MB. Free memory was 214.9 MB in the beginning and 212.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 633.48 ms. Allocated memory was 300.4 MB in the beginning and 325.1 MB in the end (delta: 24.6 MB). Free memory was 212.9 MB in the beginning and 281.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67825.31 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). 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 71 quantified variables from 86 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.7s 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, 0.4s 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, 0.5s 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.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-30-20-407.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-30-20-407.csv Completed graceful shutdown