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_6.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:57:28,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:57:28,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:57:28,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:57:28,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:57:28,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:57:28,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:57:28,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:57:28,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:57:28,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:57:28,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:57:28,703 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:57:28,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:57:28,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:57:28,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:57:28,706 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:57:28,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:57:28,709 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:57:28,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:57:28,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:57:28,712 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:57:28,715 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:57:28,715 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:57:28,715 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:57:28,716 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:57:28,717 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:57:28,718 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:57:28,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:57:28,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:57:28,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:57:28,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:57:28,721 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:57:28,721 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:57:28,721 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:57:28,722 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:57:28,722 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 16:57:28,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:57:28,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:57:28,738 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:57:28,738 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:57:28,739 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:57:28,739 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:57:28,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:57:28,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:57:28,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:57:28,740 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:57:28,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:57:28,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:57:28,741 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:57:28,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:57:28,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:57:28,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:57:28,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:57:28,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:57:28,742 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:57:28,746 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:57:28,746 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:57:28,793 INFO ]: Repository-Root is: /tmp [2018-06-22 16:57:28,807 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:57:28,811 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:57:28,813 INFO ]: Initializing SmtParser... [2018-06-22 16:57:28,813 INFO ]: SmtParser initialized [2018-06-22 16:57:28,814 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_6.smt2 [2018-06-22 16:57:28,815 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 16:57:28,894 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_6.smt2 unknown [2018-06-22 16:57:29,558 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_6.smt2 [2018-06-22 16:57:29,563 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:57:29,571 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:57:29,571 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:57:29,571 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:57:29,571 INFO ]: ChcToBoogie initialized [2018-06-22 16:57:29,575 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,638 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29 Unit [2018-06-22 16:57:29,638 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:57:29,639 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:57:29,639 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:57:29,639 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:57:29,661 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,661 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,676 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,676 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,689 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,690 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,695 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (1/1) ... [2018-06-22 16:57:29,701 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:57:29,701 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:57:29,701 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:57:29,701 INFO ]: RCFGBuilder initialized [2018-06-22 16:57:29,702 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (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 16:57:29,712 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:57:29,712 INFO ]: Found specification of procedure False [2018-06-22 16:57:29,712 INFO ]: Found implementation of procedure False [2018-06-22 16:57:29,712 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:57:29,712 INFO ]: Found specification of procedure state [2018-06-22 16:57:29,712 INFO ]: Found implementation of procedure state [2018-06-22 16:57:29,712 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:57:29,712 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:57:29,712 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 16:57:30,230 INFO ]: Using library mode [2018-06-22 16:57:30,230 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:57:30 BoogieIcfgContainer [2018-06-22 16:57:30,230 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:57:30,232 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:57:30,232 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:57:30,238 INFO ]: TraceAbstraction initialized [2018-06-22 16:57:30,239 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:57:29" (1/3) ... [2018-06-22 16:57:30,240 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:57:30, skipping insertion in model container [2018-06-22 16:57:30,240 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:57:29" (2/3) ... [2018-06-22 16:57:30,241 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:57:30, skipping insertion in model container [2018-06-22 16:57:30,241 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:57:30" (3/3) ... [2018-06-22 16:57:30,243 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:57:30,253 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:57:30,263 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:57:30,315 INFO ]: Using default assertion order modulation [2018-06-22 16:57:30,315 INFO ]: Interprodecural is true [2018-06-22 16:57:30,315 INFO ]: Hoare is false [2018-06-22 16:57:30,315 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:57:30,315 INFO ]: Backedges is TWOTRACK [2018-06-22 16:57:30,315 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:57:30,315 INFO ]: Difference is false [2018-06-22 16:57:30,315 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:57:30,315 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:57:30,334 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:57:30,346 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:57:30,346 INFO ]: Found error trace [2018-06-22 16:57:30,347 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:57:30,347 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:57:30,353 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:57:30,355 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:57:30,355 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:57:30,402 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:57:30,402 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:57:30,402 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:57:30,534 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:57:30,960 WARN ]: Spent 180.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-06-22 16:57:30,963 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:57:30,965 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:57:30,965 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:57:30,966 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:57:30,976 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:57:30,976 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:57:30,978 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:57:31,128 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:57:31,128 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:57:31,130 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:57:31,131 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:57:31,131 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:57:31,146 INFO ]: With dead ends: 13 [2018-06-22 16:57:31,146 INFO ]: Without dead ends: 13 [2018-06-22 16:57:31,148 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 16:57:31,166 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:57:31,201 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:57:31,205 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:57:31,205 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:57:31,206 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:57:31,207 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:57:31,207 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:57:31,207 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:57:31,207 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:57:31,209 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:57:31,209 INFO ]: Found error trace [2018-06-22 16:57:31,209 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:57:31,209 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:57:31,209 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:57:31,209 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:57:31,209 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:57:31,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:57:31,210 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:57:31,210 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:57:31,349 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:57:32,487 WARN ]: Spent 847.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2018-06-22 16:57:32,517 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:57:32,518 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:57:32,518 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 16:57:32,525 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:57:32,688 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:57:32,701 INFO ]: Computing forward predicates... [2018-06-22 16:57:32,871 WARN ]: expecting exponential blowup for input size 19 Received shutdown request... [2018-06-22 16:58:17,551 INFO ]: Timeout while computing interpolants [2018-06-22 16:58:17,751 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:58:17,752 WARN ]: Verification canceled [2018-06-22 16:58:17,755 WARN ]: Timeout [2018-06-22 16:58:17,755 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:58:17 BoogieIcfgContainer [2018-06-22 16:58:17,755 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:58:17,756 INFO ]: Toolchain (without parser) took 48192.34 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 229.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:58:17,756 INFO ]: SmtParser took 0.07 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 16:58:17,758 INFO ]: ChcToBoogie took 67.06 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 16:58:17,758 INFO ]: Boogie Preprocessor took 62.18 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:58:17,759 INFO ]: RCFGBuilder took 528.89 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 225.8 MB in the beginning and 287.4 MB in the end (delta: -61.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:58:17,759 INFO ]: TraceAbstraction took 47523.75 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 287.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:58:17,762 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 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 67.06 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 62.18 ms. Allocated memory is still 309.3 MB. Free memory was 227.8 MB in the beginning and 225.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 528.89 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 225.8 MB in the beginning and 287.4 MB in the end (delta: -61.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 47523.75 ms. Allocated memory was 325.6 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 287.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). 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 19 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 47.4s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-58-17-772.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-58-17-772.csv Completed graceful shutdown