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_all.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:20:11,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:20:11,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:20:11,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:20:11,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:20:11,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:20:11,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:20:11,683 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:20:11,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:20:11,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:20:11,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:20:11,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:20:11,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:20:11,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:20:11,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:20:11,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:20:11,695 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:20:11,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:20:11,711 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:20:11,712 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:20:11,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:20:11,716 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:20:11,716 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:20:11,716 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:20:11,717 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:20:11,718 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:20:11,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:20:11,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:20:11,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:20:11,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:20:11,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:20:11,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:20:11,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:20:11,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:20:11,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:20:11,730 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 17:20:11,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:20:11,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:20:11,754 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:20:11,754 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:20:11,755 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:20:11,756 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:20:11,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:20:11,757 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:20:11,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:20:11,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:20:11,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:20:11,758 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:20:11,758 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:20:11,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:20:11,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:20:11,759 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:20:11,759 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:20:11,759 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:20:11,759 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:20:11,761 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:20:11,762 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:20:11,815 INFO ]: Repository-Root is: /tmp [2018-06-22 17:20:11,829 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:20:11,835 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:20:11,837 INFO ]: Initializing SmtParser... [2018-06-22 17:20:11,837 INFO ]: SmtParser initialized [2018-06-22 17:20:11,838 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all.smt2 [2018-06-22 17:20:11,839 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 17:20:11,925 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all.smt2 unknown [2018-06-22 17:20:12,564 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all.smt2 [2018-06-22 17:20:12,568 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:20:12,587 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:20:12,587 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:20:12,587 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:20:12,588 INFO ]: ChcToBoogie initialized [2018-06-22 17:20:12,591 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,668 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12 Unit [2018-06-22 17:20:12,668 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:20:12,668 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:20:12,668 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:20:12,668 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:20:12,704 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,704 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,725 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,725 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,755 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,757 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,761 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (1/1) ... [2018-06-22 17:20:12,767 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:20:12,773 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:20:12,773 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:20:12,773 INFO ]: RCFGBuilder initialized [2018-06-22 17:20:12,774 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (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 17:20:12,790 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:20:12,790 INFO ]: Found specification of procedure False [2018-06-22 17:20:12,790 INFO ]: Found implementation of procedure False [2018-06-22 17:20:12,791 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:20:12,791 INFO ]: Found specification of procedure state [2018-06-22 17:20:12,791 INFO ]: Found implementation of procedure state [2018-06-22 17:20:12,791 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:20:12,791 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:20:12,791 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 17:20:13,286 INFO ]: Using library mode [2018-06-22 17:20:13,287 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:20:13 BoogieIcfgContainer [2018-06-22 17:20:13,287 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:20:13,288 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:20:13,288 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:20:13,292 INFO ]: TraceAbstraction initialized [2018-06-22 17:20:13,293 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:20:12" (1/3) ... [2018-06-22 17:20:13,293 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509e72c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:20:13, skipping insertion in model container [2018-06-22 17:20:13,293 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:20:12" (2/3) ... [2018-06-22 17:20:13,294 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509e72c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:20:13, skipping insertion in model container [2018-06-22 17:20:13,294 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:20:13" (3/3) ... [2018-06-22 17:20:13,295 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:20:13,305 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:20:13,315 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:20:13,361 INFO ]: Using default assertion order modulation [2018-06-22 17:20:13,361 INFO ]: Interprodecural is true [2018-06-22 17:20:13,361 INFO ]: Hoare is false [2018-06-22 17:20:13,361 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:20:13,361 INFO ]: Backedges is TWOTRACK [2018-06-22 17:20:13,361 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:20:13,361 INFO ]: Difference is false [2018-06-22 17:20:13,361 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:20:13,362 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:20:13,379 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:20:13,393 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:20:13,393 INFO ]: Found error trace [2018-06-22 17:20:13,394 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:20:13,394 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:20:13,400 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:20:13,402 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:20:13,402 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:20:13,450 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:20:13,450 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:20:13,450 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:20:13,587 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:20:14,013 WARN ]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2018-06-22 17:20:14,015 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:20:14,017 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:20:14,017 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:20:14,018 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:20:14,030 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:20:14,031 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:20:14,032 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:20:14,174 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:20:14,174 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:20:14,174 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:20:14,176 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:20:14,176 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:20:14,190 INFO ]: With dead ends: 13 [2018-06-22 17:20:14,190 INFO ]: Without dead ends: 13 [2018-06-22 17:20:14,192 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 17:20:14,210 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:20:14,245 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:20:14,246 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:20:14,247 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:20:14,249 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:20:14,249 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:20:14,249 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:20:14,249 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:20:14,249 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:20:14,250 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:20:14,250 INFO ]: Found error trace [2018-06-22 17:20:14,250 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:20:14,250 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:20:14,250 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:20:14,250 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:20:14,250 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:20:14,251 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:20:14,251 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:20:14,251 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:20:14,481 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:20:18,558 WARN ]: Spent 3.37 s on a formula simplification. DAG size of input: 527 DAG size of output: 272 [2018-06-22 17:20:19,095 WARN ]: Spent 285.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 16 [2018-06-22 17:20:19,100 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:20:19,100 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:20:19,100 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 17:20:19,116 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:20:19,279 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:20:19,295 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:21:23,551 INFO ]: Timeout while computing interpolants [2018-06-22 17:21:23,752 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:21:23,752 WARN ]: Verification canceled [2018-06-22 17:21:23,757 WARN ]: Timeout [2018-06-22 17:21:23,757 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:21:23 BoogieIcfgContainer [2018-06-22 17:21:23,757 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:21:23,758 INFO ]: Toolchain (without parser) took 71189.15 ms. Allocated memory was 304.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 225.0 MB in the beginning and 1.1 GB in the end (delta: -846.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:21:23,759 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:21:23,759 INFO ]: ChcToBoogie took 80.59 ms. Allocated memory is still 304.6 MB. Free memory was 225.0 MB in the beginning and 222.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:21:23,759 INFO ]: Boogie Preprocessor took 98.93 ms. Allocated memory is still 304.6 MB. Free memory was 222.1 MB in the beginning and 219.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:21:23,760 INFO ]: RCFGBuilder took 513.96 ms. Allocated memory was 304.6 MB in the beginning and 327.7 MB in the end (delta: 23.1 MB). Free memory was 219.1 MB in the beginning and 287.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 3.6 GB. [2018-06-22 17:21:23,760 INFO ]: TraceAbstraction took 70469.04 ms. Allocated memory was 327.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.4 MB in the beginning and 1.1 GB in the end (delta: -783.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:21:23,762 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 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 80.59 ms. Allocated memory is still 304.6 MB. Free memory was 225.0 MB in the beginning and 222.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 98.93 ms. Allocated memory is still 304.6 MB. Free memory was 222.1 MB in the beginning and 219.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 513.96 ms. Allocated memory was 304.6 MB in the beginning and 327.7 MB in the end (delta: 23.1 MB). Free memory was 219.1 MB in the beginning and 287.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70469.04 ms. Allocated memory was 327.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 287.4 MB in the beginning and 1.1 GB in the end (delta: -783.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 72 quantified variables from 99 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.4s 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, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-21-23-784.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-21-23-784.csv Completed graceful shutdown