java -Xss1g -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/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e3_1915.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:45:29,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:45:29,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:45:29,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:45:29,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:45:29,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:45:29,393 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:45:29,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:45:29,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:45:29,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:45:29,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:45:29,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:45:29,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:45:29,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:45:29,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:45:29,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:45:29,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:45:29,425 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:45:29,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:45:29,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:45:29,429 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:45:29,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:45:29,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:45:29,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:45:29,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:45:29,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:45:29,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:45:29,440 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:45:29,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:45:29,441 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:45:29,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:45:29,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:45:29,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:45:29,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:45:29,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:45:29,452 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 16:45:29,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:45:29,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:45:29,473 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:45:29,473 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:45:29,474 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:45:29,475 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:45:29,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:45:29,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:45:29,475 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:45:29,476 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:45:29,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:45:29,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:45:29,479 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:45:29,479 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:45:29,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:45:29,480 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:45:29,480 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:45:29,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:45:29,480 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:45:29,484 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:45:29,484 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:45:29,530 INFO ]: Repository-Root is: /tmp [2018-06-22 16:45:29,547 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:45:29,553 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:45:29,554 INFO ]: Initializing SmtParser... [2018-06-22 16:45:29,555 INFO ]: SmtParser initialized [2018-06-22 16:45:29,556 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e3_1915.smt2 [2018-06-22 16:45:29,557 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 [2018-06-22 16:45:29,652 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e3_1915.smt2 unknown [2018-06-22 16:45:30,305 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e3_1915.smt2 [2018-06-22 16:45:30,309 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:45:30,325 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:45:30,325 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:45:30,325 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:45:30,325 INFO ]: ChcToBoogie initialized [2018-06-22 16:45:30,328 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,418 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30 Unit [2018-06-22 16:45:30,418 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:45:30,419 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:45:30,419 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:45:30,419 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:45:30,443 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,444 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,470 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,470 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,482 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,483 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,488 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (1/1) ... [2018-06-22 16:45:30,494 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:45:30,494 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:45:30,494 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:45:30,494 INFO ]: RCFGBuilder initialized [2018-06-22 16:45:30,495 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (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) [2018-06-22 16:45:30,508 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:45:30,508 INFO ]: Found specification of procedure False [2018-06-22 16:45:30,508 INFO ]: Found implementation of procedure False [2018-06-22 16:45:30,508 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:45:30,508 INFO ]: Found specification of procedure state [2018-06-22 16:45:30,508 INFO ]: Found implementation of procedure state [2018-06-22 16:45:30,508 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:45:30,508 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:45:30,508 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 [2018-06-22 16:45:31,081 INFO ]: Using library mode [2018-06-22 16:45:31,082 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:45:31 BoogieIcfgContainer [2018-06-22 16:45:31,082 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:45:31,083 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:45:31,083 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:45:31,086 INFO ]: TraceAbstraction initialized [2018-06-22 16:45:31,086 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:45:30" (1/3) ... [2018-06-22 16:45:31,087 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:45:31, skipping insertion in model container [2018-06-22 16:45:31,087 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:45:30" (2/3) ... [2018-06-22 16:45:31,087 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:45:31, skipping insertion in model container [2018-06-22 16:45:31,087 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:45:31" (3/3) ... [2018-06-22 16:45:31,089 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:45:31,100 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:45:31,110 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:45:31,161 INFO ]: Using default assertion order modulation [2018-06-22 16:45:31,162 INFO ]: Interprodecural is true [2018-06-22 16:45:31,162 INFO ]: Hoare is false [2018-06-22 16:45:31,162 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:45:31,162 INFO ]: Backedges is TWOTRACK [2018-06-22 16:45:31,162 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:45:31,162 INFO ]: Difference is false [2018-06-22 16:45:31,162 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:45:31,162 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:45:31,177 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:45:31,188 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:45:31,188 INFO ]: Found error trace [2018-06-22 16:45:31,189 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:45:31,189 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:45:31,195 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:45:31,197 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:45:31,197 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:45:31,231 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:45:31,231 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:45:31,231 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:45:31,355 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:45:31,618 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:45:31,621 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:45:31,621 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:45:31,623 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:45:31,638 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:45:31,638 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:45:31,641 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:45:31,800 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:45:31,801 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:45:31,802 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:45:31,804 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:45:31,804 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:45:31,820 INFO ]: With dead ends: 13 [2018-06-22 16:45:31,820 INFO ]: Without dead ends: 13 [2018-06-22 16:45:31,821 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:45:31,838 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:45:31,877 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:45:31,878 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:45:31,882 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:45:31,884 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:45:31,884 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:45:31,884 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:45:31,884 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:45:31,884 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:45:31,885 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:45:31,885 INFO ]: Found error trace [2018-06-22 16:45:31,886 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:45:31,886 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:45:31,887 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:45:31,887 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:45:31,887 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:45:31,887 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:45:31,888 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:45:31,888 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:45:32,040 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:45:33,051 WARN ]: Spent 671.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-06-22 16:45:33,190 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:45:33,190 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:45:33,190 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 [2018-06-22 16:45:33,198 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:45:33,357 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:45:33,371 INFO ]: Computing forward predicates... [2018-06-22 16:45:34,937 WARN ]: expecting exponential blowup for input size 22 Received shutdown request... [2018-06-22 16:46:18,105 INFO ]: Timeout while computing interpolants [2018-06-22 16:46:18,306 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:46:18,306 WARN ]: Verification canceled [2018-06-22 16:46:18,311 WARN ]: Timeout [2018-06-22 16:46:18,311 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:46:18 BoogieIcfgContainer [2018-06-22 16:46:18,311 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:46:18,312 INFO ]: Toolchain (without parser) took 48001.97 ms. Allocated memory was 306.2 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 229.6 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:46:18,313 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:46:18,313 INFO ]: ChcToBoogie took 93.32 ms. Allocated memory is still 306.2 MB. Free memory was 229.6 MB in the beginning and 224.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:18,314 INFO ]: Boogie Preprocessor took 74.85 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:18,314 INFO ]: RCFGBuilder took 587.33 ms. Allocated memory was 306.2 MB in the beginning and 326.6 MB in the end (delta: 20.4 MB). Free memory was 222.6 MB in the beginning and 288.1 MB in the end (delta: -65.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:46:18,315 INFO ]: TraceAbstraction took 47227.86 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 288.1 MB in the beginning and 1.3 GB in the end (delta: -980.2 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:46:18,329 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.32 ms. Allocated memory is still 306.2 MB. Free memory was 229.6 MB in the beginning and 224.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.85 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 587.33 ms. Allocated memory was 306.2 MB in the beginning and 326.6 MB in the end (delta: 20.4 MB). Free memory was 222.6 MB in the beginning and 288.1 MB in the end (delta: -65.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 47227.86 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 288.1 MB in the beginning and 1.3 GB in the end (delta: -980.2 MB). 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 22 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 47.1s 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, 0.1s 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, 0.2s 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_e2_2799_e3_1915.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-46-18-348.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e2_2799_e3_1915.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-46-18-348.csv Completed graceful shutdown