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_4_e7_2329_e8_3915.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:33:51,378 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:33:51,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:33:51,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:33:51,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:33:51,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:33:51,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:33:51,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:33:51,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:33:51,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:33:51,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:33:51,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:33:51,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:33:51,412 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:33:51,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:33:51,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:33:51,415 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:33:51,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:33:51,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:33:51,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:33:51,429 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:33:51,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:33:51,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:33:51,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:33:51,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:33:51,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:33:51,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:33:51,440 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:33:51,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:33:51,441 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:33:51,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:33:51,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:33:51,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:33:51,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:33:51,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:33:51,450 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:33:51,471 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:33:51,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:33:51,472 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:33:51,472 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:33:51,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:33:51,473 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:33:51,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:33:51,474 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:33:51,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:33:51,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:33:51,474 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:33:51,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:33:51,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:33:51,477 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:33:51,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:33:51,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:33:51,478 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:33:51,479 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:33:51,479 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:33:51,528 INFO ]: Repository-Root is: /tmp [2018-06-18 14:33:51,542 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:33:51,546 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:33:51,547 INFO ]: Initializing SmtParser... [2018-06-18 14:33:51,548 INFO ]: SmtParser initialized [2018-06-18 14:33:51,548 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 [2018-06-18 14:33:51,549 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 14:33:51,634 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 unknown [2018-06-18 14:33:52,307 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 [2018-06-18 14:33:52,312 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:33:52,318 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:33:52,318 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:33:52,318 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:33:52,318 INFO ]: ChcToBoogie initialized [2018-06-18 14:33:52,325 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,471 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52 Unit [2018-06-18 14:33:52,471 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:33:52,472 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:33:52,472 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:33:52,472 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:33:52,497 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,497 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,525 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,526 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,559 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,561 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,564 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (1/1) ... [2018-06-18 14:33:52,578 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:33:52,579 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:33:52,579 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:33:52,579 INFO ]: RCFGBuilder initialized [2018-06-18 14:33:52,580 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (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 14:33:52,609 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:33:52,609 INFO ]: Found specification of procedure False [2018-06-18 14:33:52,609 INFO ]: Found implementation of procedure False [2018-06-18 14:33:52,609 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:33:52,609 INFO ]: Found specification of procedure state [2018-06-18 14:33:52,609 INFO ]: Found implementation of procedure state [2018-06-18 14:33:52,609 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:33:52,609 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:33:52,609 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 14:33:53,197 INFO ]: Using library mode [2018-06-18 14:33:53,198 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:33:53 BoogieIcfgContainer [2018-06-18 14:33:53,198 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:33:53,199 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:33:53,199 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:33:53,204 INFO ]: TraceAbstraction initialized [2018-06-18 14:33:53,204 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:33:52" (1/3) ... [2018-06-18 14:33:53,205 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc051be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:33:53, skipping insertion in model container [2018-06-18 14:33:53,205 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:33:52" (2/3) ... [2018-06-18 14:33:53,205 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc051be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:33:53, skipping insertion in model container [2018-06-18 14:33:53,205 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:33:53" (3/3) ... [2018-06-18 14:33:53,208 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:33:53,218 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:33:53,228 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:33:53,284 INFO ]: Using default assertion order modulation [2018-06-18 14:33:53,285 INFO ]: Interprodecural is true [2018-06-18 14:33:53,285 INFO ]: Hoare is false [2018-06-18 14:33:53,285 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:33:53,285 INFO ]: Backedges is TWOTRACK [2018-06-18 14:33:53,285 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:33:53,285 INFO ]: Difference is false [2018-06-18 14:33:53,285 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:33:53,285 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:33:53,304 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:33:53,318 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:33:53,318 INFO ]: Found error trace [2018-06-18 14:33:53,320 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:33:53,320 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:33:53,326 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:33:53,329 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:33:53,329 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:33:53,384 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:53,384 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:53,384 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:53,496 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:53,511 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:33:53,864 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:33:53,867 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:33:53,867 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:33:53,869 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:33:53,885 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:33:53,885 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:33:53,889 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:33:54,043 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:33:54,043 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:33:54,045 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:33:54,047 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:33:54,047 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:33:54,063 INFO ]: With dead ends: 13 [2018-06-18 14:33:54,063 INFO ]: Without dead ends: 13 [2018-06-18 14:33:54,065 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 14:33:54,084 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:33:54,123 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:33:54,124 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:33:54,126 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:33:54,127 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:33:54,127 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:33:54,127 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:33:54,127 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:33:54,127 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:33:54,129 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:33:54,129 INFO ]: Found error trace [2018-06-18 14:33:54,129 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:33:54,130 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:33:54,130 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:33:54,130 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:33:54,130 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:33:54,130 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:54,131 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:54,131 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:33:54,272 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:54,273 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:33:55,911 WARN ]: Spent 1.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 54 [2018-06-18 14:33:56,054 WARN ]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 1 [2018-06-18 14:33:56,057 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:33:56,057 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:33:56,057 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 14:33:56,069 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:33:56,237 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:33:56,285 INFO ]: Computing forward predicates... [2018-06-18 14:33:58,755 WARN ]: expecting exponential blowup for input size 11 [2018-06-18 14:33:59,551 WARN ]: expecting exponential blowup for input size 12 [2018-06-18 14:34:00,045 WARN ]: expecting exponential blowup for input size 10 [2018-06-18 14:34:00,307 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-18 14:34:45,102 INFO ]: Timeout while computing interpolants [2018-06-18 14:34:45,303 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:34:45,303 WARN ]: Verification canceled [2018-06-18 14:34:45,307 WARN ]: Timeout [2018-06-18 14:34:45,307 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:34:45 BoogieIcfgContainer [2018-06-18 14:34:45,307 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:34:45,308 INFO ]: Toolchain (without parser) took 52996.11 ms. Allocated memory was 304.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 227.1 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-18 14:34:45,309 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 304.6 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 14:34:45,309 INFO ]: ChcToBoogie took 153.84 ms. Allocated memory is still 304.6 MB. Free memory was 227.1 MB in the beginning and 219.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:45,310 INFO ]: Boogie Preprocessor took 106.21 ms. Allocated memory is still 304.6 MB. Free memory was 219.1 MB in the beginning and 217.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:45,310 INFO ]: RCFGBuilder took 618.85 ms. Allocated memory was 304.6 MB in the beginning and 325.6 MB in the end (delta: 21.0 MB). Free memory was 217.1 MB in the beginning and 283.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:34:45,311 INFO ]: TraceAbstraction took 52108.28 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 283.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:34:45,313 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 304.6 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 153.84 ms. Allocated memory is still 304.6 MB. Free memory was 227.1 MB in the beginning and 219.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 106.21 ms. Allocated memory is still 304.6 MB. Free memory was 219.1 MB in the beginning and 217.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 618.85 ms. Allocated memory was 304.6 MB in the beginning and 325.6 MB in the end (delta: 21.0 MB). Free memory was 217.1 MB in the beginning and 283.0 MB in the end (delta: -65.9 MB). Peak memory consumption was 39.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52108.28 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 283.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e8_3915.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-34-45-326.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e8_3915.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-34-45-326.csv Completed graceful shutdown