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_e3_5422_e1_2288.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:29:00,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:29:00,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:29:00,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:29:00,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:29:00,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:29:00,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:29:00,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:29:00,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:29:00,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:29:00,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:29:00,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:29:00,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:29:00,601 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:29:00,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:29:00,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:29:00,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:29:00,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:29:00,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:29:00,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:29:00,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:29:00,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:29:00,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:29:00,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:29:00,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:29:00,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:29:00,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:29:00,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:29:00,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:29:00,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:29:00,633 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:29:00,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:29:00,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:29:00,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:29:00,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:29:00,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:29:00,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:29:00,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:29:00,660 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:29:00,661 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:29:00,662 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:29:00,662 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:29:00,662 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:29:00,662 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:29:00,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:29:00,663 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:29:00,663 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:29:00,663 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:29:00,663 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:29:00,663 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:29:00,664 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:29:00,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:29:00,664 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:29:00,666 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:29:00,666 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:29:00,718 INFO ]: Repository-Root is: /tmp [2018-06-18 14:29:00,737 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:29:00,743 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:29:00,744 INFO ]: Initializing SmtParser... [2018-06-18 14:29:00,744 INFO ]: SmtParser initialized [2018-06-18 14:29:00,745 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e3_5422_e1_2288.smt2 [2018-06-18 14:29:00,746 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 14:29:00,841 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e3_5422_e1_2288.smt2 unknown [2018-06-18 14:29:01,465 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e3_5422_e1_2288.smt2 [2018-06-18 14:29:01,470 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:29:01,493 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:29:01,493 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:29:01,493 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:29:01,493 INFO ]: ChcToBoogie initialized [2018-06-18 14:29:01,500 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,621 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01 Unit [2018-06-18 14:29:01,621 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:29:01,622 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:29:01,622 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:29:01,622 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:29:01,645 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,645 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,668 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,668 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,681 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,682 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,687 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (1/1) ... [2018-06-18 14:29:01,693 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:29:01,694 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:29:01,694 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:29:01,694 INFO ]: RCFGBuilder initialized [2018-06-18 14:29:01,695 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (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 14:29:01,723 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:29:01,723 INFO ]: Found specification of procedure False [2018-06-18 14:29:01,723 INFO ]: Found implementation of procedure False [2018-06-18 14:29:01,724 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:29:01,724 INFO ]: Found specification of procedure state [2018-06-18 14:29:01,724 INFO ]: Found implementation of procedure state [2018-06-18 14:29:01,724 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:29:01,724 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:29:01,724 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 14:29:02,309 INFO ]: Using library mode [2018-06-18 14:29:02,310 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:29:02 BoogieIcfgContainer [2018-06-18 14:29:02,310 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:29:02,312 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:29:02,312 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:29:02,317 INFO ]: TraceAbstraction initialized [2018-06-18 14:29:02,318 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:29:01" (1/3) ... [2018-06-18 14:29:02,319 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 02:29:02, skipping insertion in model container [2018-06-18 14:29:02,319 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:29:01" (2/3) ... [2018-06-18 14:29:02,319 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 02:29:02, skipping insertion in model container [2018-06-18 14:29:02,319 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:29:02" (3/3) ... [2018-06-18 14:29:02,322 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:29:02,331 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:29:02,341 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:29:02,395 INFO ]: Using default assertion order modulation [2018-06-18 14:29:02,396 INFO ]: Interprodecural is true [2018-06-18 14:29:02,396 INFO ]: Hoare is false [2018-06-18 14:29:02,396 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:29:02,396 INFO ]: Backedges is TWOTRACK [2018-06-18 14:29:02,396 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:29:02,396 INFO ]: Difference is false [2018-06-18 14:29:02,396 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:29:02,396 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:29:02,413 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:29:02,431 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:29:02,431 INFO ]: Found error trace [2018-06-18 14:29:02,432 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:29:02,433 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:29:02,438 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:29:02,440 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:29:02,441 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:29:02,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:02,491 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:02,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:02,658 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:02,669 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:29:03,061 WARN ]: Spent 137.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-06-18 14:29:03,065 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:29:03,068 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:29:03,068 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:29:03,071 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:29:03,082 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:29:03,082 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:29:03,084 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:29:03,225 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:29:03,225 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:29:03,227 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:29:03,228 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:29:03,228 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:29:03,243 INFO ]: With dead ends: 13 [2018-06-18 14:29:03,243 INFO ]: Without dead ends: 13 [2018-06-18 14:29:03,245 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 14:29:03,265 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:29:03,305 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:29:03,306 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:29:03,310 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:29:03,311 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:29:03,311 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:29:03,311 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:29:03,311 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:29:03,311 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:29:03,313 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:29:03,313 INFO ]: Found error trace [2018-06-18 14:29:03,313 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:29:03,313 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:29:03,314 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:29:03,314 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:29:03,314 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:29:03,315 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:03,315 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:03,315 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:29:03,556 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:03,557 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:29:08,683 WARN ]: Spent 4.43 s on a formula simplification. DAG size of input: 430 DAG size of output: 275 [2018-06-18 14:29:08,850 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:29:08,851 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:29:08,851 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 14:29:08,870 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:29:09,033 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:29:09,054 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:30:11,082 INFO ]: Timeout while computing interpolants [2018-06-18 14:30:11,283 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:30:11,283 WARN ]: Verification canceled [2018-06-18 14:30:11,287 WARN ]: Timeout [2018-06-18 14:30:11,287 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:30:11 BoogieIcfgContainer [2018-06-18 14:30:11,287 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:30:11,288 INFO ]: Toolchain (without parser) took 69817.27 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 228.6 MB in the beginning and 487.1 MB in the end (delta: -258.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:30:11,292 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:30:11,293 INFO ]: ChcToBoogie took 128.14 ms. Allocated memory is still 307.2 MB. Free memory was 228.6 MB in the beginning and 220.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:11,293 INFO ]: Boogie Preprocessor took 71.74 ms. Allocated memory is still 307.2 MB. Free memory was 220.6 MB in the beginning and 218.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:11,293 INFO ]: RCFGBuilder took 616.40 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 218.6 MB in the beginning and 281.6 MB in the end (delta: -63.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:30:11,294 INFO ]: TraceAbstraction took 68975.58 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.6 MB in the beginning and 487.1 MB in the end (delta: -205.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:30:11,298 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 128.14 ms. Allocated memory is still 307.2 MB. Free memory was 228.6 MB in the beginning and 220.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 71.74 ms. Allocated memory is still 307.2 MB. Free memory was 220.6 MB in the beginning and 218.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 616.40 ms. Allocated memory was 307.2 MB in the beginning and 326.1 MB in the end (delta: 18.9 MB). Free memory was 218.6 MB in the beginning and 281.6 MB in the end (delta: -63.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68975.58 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 281.6 MB in the beginning and 487.1 MB in the end (delta: -205.5 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 78 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.9s 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, 0.2s 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_e3_5422_e1_2288.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-30-11-308.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3_e3_5422_e1_2288.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-30-11-308.csv Completed graceful shutdown