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_all_e2_6104_e2_3308.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:51:49,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:51:49,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:51:49,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:51:49,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:51:49,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:51:49,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:51:49,426 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:51:49,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:51:49,434 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:51:49,434 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:51:49,435 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:51:49,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:51:49,447 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:51:49,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:51:49,448 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:51:49,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:51:49,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:51:49,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:51:49,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:51:49,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:51:49,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:51:49,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:51:49,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:51:49,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:51:49,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:51:49,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:51:49,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:51:49,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:51:49,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:51:49,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:51:49,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:51:49,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:51:49,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:51:49,511 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:51:49,511 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:51:49,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:51:49,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:51:49,558 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:51:49,558 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:51:49,559 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:51:49,559 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:51:49,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:51:49,560 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:51:49,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:51:49,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:51:49,561 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:51:49,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:51:49,572 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:51:49,572 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:51:49,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:51:49,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:51:49,573 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:51:49,575 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:51:49,575 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:51:49,675 INFO ]: Repository-Root is: /tmp [2018-06-18 14:51:49,716 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:51:49,732 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:51:49,734 INFO ]: Initializing SmtParser... [2018-06-18 14:51:49,734 INFO ]: SmtParser initialized [2018-06-18 14:51:49,735 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e2_3308.smt2 [2018-06-18 14:51:49,736 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 14:51:49,866 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e2_3308.smt2 unknown [2018-06-18 14:51:50,706 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_6104_e2_3308.smt2 [2018-06-18 14:51:50,727 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:51:50,740 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:51:50,741 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:51:50,741 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:51:50,741 INFO ]: ChcToBoogie initialized [2018-06-18 14:51:50,761 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:50,939 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50 Unit [2018-06-18 14:51:50,939 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:51:50,943 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:51:50,943 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:51:50,943 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:51:50,982 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:50,982 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,010 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,010 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,041 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,042 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,046 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (1/1) ... [2018-06-18 14:51:51,054 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:51:51,055 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:51:51,055 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:51:51,055 INFO ]: RCFGBuilder initialized [2018-06-18 14:51:51,056 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (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 14:51:51,080 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:51:51,080 INFO ]: Found specification of procedure False [2018-06-18 14:51:51,080 INFO ]: Found implementation of procedure False [2018-06-18 14:51:51,080 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:51:51,080 INFO ]: Found specification of procedure state [2018-06-18 14:51:51,080 INFO ]: Found implementation of procedure state [2018-06-18 14:51:51,080 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:51:51,080 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:51:51,080 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 14:51:51,751 INFO ]: Using library mode [2018-06-18 14:51:51,752 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:51:51 BoogieIcfgContainer [2018-06-18 14:51:51,752 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:51:51,754 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:51:51,754 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:51:51,760 INFO ]: TraceAbstraction initialized [2018-06-18 14:51:51,760 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:51:50" (1/3) ... [2018-06-18 14:51:51,761 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b740d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:51:51, skipping insertion in model container [2018-06-18 14:51:51,761 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:51:50" (2/3) ... [2018-06-18 14:51:51,762 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b740d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:51:51, skipping insertion in model container [2018-06-18 14:51:51,762 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:51:51" (3/3) ... [2018-06-18 14:51:51,764 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:51:51,775 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:51:51,795 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:51:51,850 INFO ]: Using default assertion order modulation [2018-06-18 14:51:51,851 INFO ]: Interprodecural is true [2018-06-18 14:51:51,851 INFO ]: Hoare is false [2018-06-18 14:51:51,851 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:51:51,851 INFO ]: Backedges is TWOTRACK [2018-06-18 14:51:51,851 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:51:51,851 INFO ]: Difference is false [2018-06-18 14:51:51,851 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:51:51,851 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:51:51,871 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:51:51,895 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:51:51,895 INFO ]: Found error trace [2018-06-18 14:51:51,896 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:51:51,896 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:51:51,903 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:51:51,906 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:51:51,906 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:51:51,962 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:51,962 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:51:51,962 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:52,114 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:51:52,125 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:51:52,830 WARN ]: Spent 310.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 9 [2018-06-18 14:51:52,833 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:51:52,835 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:51:52,835 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:51:52,836 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:51:52,848 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:51:52,848 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:51:52,850 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:51:53,004 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:51:53,004 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:51:53,006 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:51:53,007 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:51:53,007 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:51:53,022 INFO ]: With dead ends: 13 [2018-06-18 14:51:53,022 INFO ]: Without dead ends: 13 [2018-06-18 14:51:53,024 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 14:51:53,045 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:51:53,076 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:51:53,077 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:51:53,078 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:51:53,079 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:51:53,080 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:51:53,080 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:51:53,080 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:51:53,080 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:51:53,081 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:51:53,081 INFO ]: Found error trace [2018-06-18 14:51:53,081 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:51:53,081 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:51:53,082 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:51:53,082 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:51:53,082 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:51:53,083 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:53,083 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:51:53,083 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:51:53,350 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:51:53,352 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:52:00,477 WARN ]: Spent 6.40 s on a formula simplification. DAG size of input: 511 DAG size of output: 290 [2018-06-18 14:52:00,680 WARN ]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-06-18 14:52:01,397 WARN ]: Spent 608.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2018-06-18 14:52:01,403 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:52:01,403 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:52:01,403 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) [2018-06-18 14:52:01,424 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:52:01,630 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:52:01,654 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:52:59,346 INFO ]: Timeout while computing interpolants [2018-06-18 14:52:59,549 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:52:59,549 WARN ]: Verification canceled [2018-06-18 14:52:59,559 WARN ]: Timeout [2018-06-18 14:52:59,560 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:52:59 BoogieIcfgContainer [2018-06-18 14:52:59,561 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:52:59,562 INFO ]: Toolchain (without parser) took 68834.61 ms. Allocated memory was 316.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 238.4 MB in the beginning and 1.1 GB in the end (delta: -898.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-18 14:52:59,563 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 316.1 MB. Free memory is still 281.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:52:59,563 INFO ]: ChcToBoogie took 198.90 ms. Allocated memory is still 316.1 MB. Free memory was 238.4 MB in the beginning and 230.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:52:59,564 INFO ]: Boogie Preprocessor took 111.34 ms. Allocated memory is still 316.1 MB. Free memory was 230.4 MB in the beginning and 228.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:52:59,564 INFO ]: RCFGBuilder took 696.97 ms. Allocated memory was 316.1 MB in the beginning and 325.6 MB in the end (delta: 9.4 MB). Free memory was 228.4 MB in the beginning and 282.4 MB in the end (delta: -54.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:52:59,578 INFO ]: TraceAbstraction took 67807.28 ms. Allocated memory was 325.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 282.4 MB in the beginning and 1.1 GB in the end (delta: -854.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:52:59,581 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 316.1 MB. Free memory is still 281.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 198.90 ms. Allocated memory is still 316.1 MB. Free memory was 238.4 MB in the beginning and 230.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 111.34 ms. Allocated memory is still 316.1 MB. Free memory was 230.4 MB in the beginning and 228.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 696.97 ms. Allocated memory was 316.1 MB in the beginning and 325.6 MB in the end (delta: 9.4 MB). Free memory was 228.4 MB in the beginning and 282.4 MB in the end (delta: -54.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67807.28 ms. Allocated memory was 325.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 282.4 MB in the beginning and 1.1 GB in the end (delta: -854.1 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 69 quantified variables from 95 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, 0.7s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_all_e2_6104_e2_3308.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-52-59-609.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e2_6104_e2_3308.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-52-59-609.csv Completed graceful shutdown