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_13.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:25:54,623 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:25:54,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:25:54,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:25:54,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:25:54,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:25:54,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:25:54,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:25:54,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:25:54,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:25:54,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:25:54,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:25:54,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:25:54,652 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:25:54,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:25:54,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:25:54,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:25:54,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:25:54,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:25:54,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:25:54,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:25:54,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:25:54,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:25:54,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:25:54,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:25:54,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:25:54,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:25:54,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:25:54,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:25:54,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:25:54,683 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:25:54,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:25:54,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:25:54,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:25:54,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:25:54,685 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 16:25:54,704 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:25:54,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:25:54,705 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:25:54,706 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:25:54,707 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:25:54,707 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:25:54,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:25:54,707 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:25:54,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:25:54,708 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:25:54,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:25:54,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:25:54,708 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:25:54,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:25:54,709 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:25:54,709 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:25:54,709 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:25:54,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:25:54,709 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:25:54,713 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:25:54,713 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:25:54,762 INFO ]: Repository-Root is: /tmp [2018-06-22 16:25:54,776 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:25:54,781 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:25:54,782 INFO ]: Initializing SmtParser... [2018-06-22 16:25:54,783 INFO ]: SmtParser initialized [2018-06-22 16:25:54,783 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13.smt2 [2018-06-22 16:25:54,784 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 16:25:54,861 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13.smt2 unknown [2018-06-22 16:25:55,447 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_13.smt2 [2018-06-22 16:25:55,451 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:25:55,457 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:25:55,457 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:25:55,457 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:25:55,458 INFO ]: ChcToBoogie initialized [2018-06-22 16:25:55,461 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,530 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55 Unit [2018-06-22 16:25:55,530 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:25:55,531 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:25:55,531 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:25:55,531 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:25:55,552 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,552 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,580 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,580 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,601 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,602 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,607 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (1/1) ... [2018-06-22 16:25:55,615 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:25:55,615 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:25:55,615 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:25:55,615 INFO ]: RCFGBuilder initialized [2018-06-22 16:25:55,616 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (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 16:25:55,641 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:25:55,641 INFO ]: Found specification of procedure False [2018-06-22 16:25:55,642 INFO ]: Found implementation of procedure False [2018-06-22 16:25:55,642 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:25:55,642 INFO ]: Found specification of procedure state [2018-06-22 16:25:55,642 INFO ]: Found implementation of procedure state [2018-06-22 16:25:55,642 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:25:55,642 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:25:55,642 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 16:25:56,173 INFO ]: Using library mode [2018-06-22 16:25:56,174 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:25:56 BoogieIcfgContainer [2018-06-22 16:25:56,174 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:25:56,176 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:25:56,176 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:25:56,182 INFO ]: TraceAbstraction initialized [2018-06-22 16:25:56,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:25:55" (1/3) ... [2018-06-22 16:25:56,183 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08efef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:25:56, skipping insertion in model container [2018-06-22 16:25:56,183 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:25:55" (2/3) ... [2018-06-22 16:25:56,183 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08efef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:25:56, skipping insertion in model container [2018-06-22 16:25:56,183 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:25:56" (3/3) ... [2018-06-22 16:25:56,186 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:25:56,195 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:25:56,205 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:25:56,254 INFO ]: Using default assertion order modulation [2018-06-22 16:25:56,254 INFO ]: Interprodecural is true [2018-06-22 16:25:56,254 INFO ]: Hoare is false [2018-06-22 16:25:56,254 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:25:56,254 INFO ]: Backedges is TWOTRACK [2018-06-22 16:25:56,254 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:25:56,254 INFO ]: Difference is false [2018-06-22 16:25:56,255 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:25:56,255 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:25:56,272 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:25:56,286 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:25:56,287 INFO ]: Found error trace [2018-06-22 16:25:56,287 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:25:56,288 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:25:56,294 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:25:56,296 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:25:56,297 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:25:56,345 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:56,345 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:56,345 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:56,493 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:56,851 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 1 [2018-06-22 16:25:56,853 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:25:56,856 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:25:56,856 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:25:56,858 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:25:56,873 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:25:56,873 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:25:56,876 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:25:57,029 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:25:57,029 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:25:57,030 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:25:57,032 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:25:57,032 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:25:57,046 INFO ]: With dead ends: 13 [2018-06-22 16:25:57,046 INFO ]: Without dead ends: 13 [2018-06-22 16:25:57,047 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 [2018-06-22 16:25:57,067 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:25:57,098 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:25:57,099 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:25:57,100 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:25:57,101 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:25:57,101 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:25:57,101 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:25:57,102 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:25:57,102 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:25:57,103 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:25:57,103 INFO ]: Found error trace [2018-06-22 16:25:57,103 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:25:57,103 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:25:57,103 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:25:57,103 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:25:57,103 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:25:57,105 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:57,105 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:57,105 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:25:57,261 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:58,731 WARN ]: Spent 1.10 s on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2018-06-22 16:25:59,029 WARN ]: Spent 281.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-06-22 16:25:59,139 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:25:59,140 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:25:59,140 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 16:25:59,147 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:25:59,284 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:25:59,300 INFO ]: Computing forward predicates... [2018-06-22 16:25:59,614 WARN ]: expecting exponential blowup for input size 27 Received shutdown request... [2018-06-22 16:26:44,458 INFO ]: Timeout while computing interpolants [2018-06-22 16:26:44,659 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:26:44,659 WARN ]: Verification canceled [2018-06-22 16:26:44,663 WARN ]: Timeout [2018-06-22 16:26:44,664 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:26:44 BoogieIcfgContainer [2018-06-22 16:26:44,664 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:26:44,665 INFO ]: Toolchain (without parser) took 49213.21 ms. Allocated memory was 309.3 MB in the beginning and 3.3 GB in the end (delta: 2.9 GB). Free memory was 229.8 MB in the beginning and 939.5 MB in the end (delta: -709.7 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:26:44,666 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:26:44,666 INFO ]: ChcToBoogie took 72.99 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:44,666 INFO ]: Boogie Preprocessor took 83.80 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 223.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:44,667 INFO ]: RCFGBuilder took 559.20 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 223.8 MB in the beginning and 285.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:26:44,667 INFO ]: TraceAbstraction took 48488.37 ms. Allocated memory was 326.1 MB in the beginning and 3.3 GB in the end (delta: 2.9 GB). Free memory was 285.7 MB in the beginning and 939.5 MB in the end (delta: -653.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:26:44,674 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.99 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 83.80 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 223.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 559.20 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 223.8 MB in the beginning and 285.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 48488.37 ms. Allocated memory was 326.1 MB in the beginning and 3.3 GB in the end (delta: 2.9 GB). Free memory was 285.7 MB in the beginning and 939.5 MB in the end (delta: -653.8 MB). Peak memory consumption was 3.4 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 27 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 48.4s 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, 0.3s 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_13.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-26-44-685.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_13.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-26-44-685.csv Completed graceful shutdown