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_14_e2_3606.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:27:49,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:27:49,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:27:49,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:27:49,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:27:49,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:27:49,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:27:49,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:27:49,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:27:49,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:27:49,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:27:49,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:27:49,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:27:49,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:27:49,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:27:49,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:27:49,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:27:49,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:27:49,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:27:49,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:27:49,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:27:49,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:27:49,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:27:49,663 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:27:49,664 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:27:49,665 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:27:49,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:27:49,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:27:49,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:27:49,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:27:49,673 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:27:49,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:27:49,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:27:49,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:27:49,680 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:27:49,681 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 16:27:49,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:27:49,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:27:49,698 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:27:49,698 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:27:49,699 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:27:49,699 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:27:49,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:27:49,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:27:49,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:27:49,700 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:27:49,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:27:49,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:27:49,703 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:27:49,703 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:27:49,703 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:27:49,703 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:27:49,703 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:27:49,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:27:49,704 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:27:49,705 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:27:49,705 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:27:49,752 INFO ]: Repository-Root is: /tmp [2018-06-22 16:27:49,767 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:27:49,773 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:27:49,774 INFO ]: Initializing SmtParser... [2018-06-22 16:27:49,775 INFO ]: SmtParser initialized [2018-06-22 16:27:49,775 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 [2018-06-22 16:27:49,777 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 16:27:49,860 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 unknown [2018-06-22 16:27:50,427 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_14_e2_3606.smt2 [2018-06-22 16:27:50,432 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:27:50,438 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:27:50,439 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:27:50,439 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:27:50,439 INFO ]: ChcToBoogie initialized [2018-06-22 16:27:50,442 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,521 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50 Unit [2018-06-22 16:27:50,521 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:27:50,522 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:27:50,522 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:27:50,522 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:27:50,545 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,545 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,561 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,561 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,582 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,584 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,588 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (1/1) ... [2018-06-22 16:27:50,603 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:27:50,604 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:27:50,604 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:27:50,604 INFO ]: RCFGBuilder initialized [2018-06-22 16:27:50,605 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (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 16:27:50,619 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:27:50,619 INFO ]: Found specification of procedure False [2018-06-22 16:27:50,619 INFO ]: Found implementation of procedure False [2018-06-22 16:27:50,619 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:27:50,619 INFO ]: Found specification of procedure state [2018-06-22 16:27:50,619 INFO ]: Found implementation of procedure state [2018-06-22 16:27:50,619 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:27:50,619 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:27:50,619 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 16:27:51,154 INFO ]: Using library mode [2018-06-22 16:27:51,155 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:27:51 BoogieIcfgContainer [2018-06-22 16:27:51,155 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:27:51,156 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:27:51,156 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:27:51,161 INFO ]: TraceAbstraction initialized [2018-06-22 16:27:51,162 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:27:50" (1/3) ... [2018-06-22 16:27:51,162 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd8f747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:27:51, skipping insertion in model container [2018-06-22 16:27:51,162 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:27:50" (2/3) ... [2018-06-22 16:27:51,163 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd8f747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:27:51, skipping insertion in model container [2018-06-22 16:27:51,163 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:27:51" (3/3) ... [2018-06-22 16:27:51,165 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:27:51,175 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:27:51,185 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:27:51,238 INFO ]: Using default assertion order modulation [2018-06-22 16:27:51,238 INFO ]: Interprodecural is true [2018-06-22 16:27:51,238 INFO ]: Hoare is false [2018-06-22 16:27:51,238 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:27:51,238 INFO ]: Backedges is TWOTRACK [2018-06-22 16:27:51,238 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:27:51,238 INFO ]: Difference is false [2018-06-22 16:27:51,238 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:27:51,239 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:27:51,259 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:27:51,277 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:27:51,277 INFO ]: Found error trace [2018-06-22 16:27:51,278 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:27:51,278 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:27:51,283 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:27:51,285 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:27:51,286 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:27:51,331 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:27:51,331 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:27:51,331 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:27:51,473 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:27:51,864 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-22 16:27:51,868 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:27:51,870 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:27:51,870 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:27:51,872 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:27:51,887 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:27:51,887 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:27:51,890 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:27:52,039 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:27:52,039 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:27:52,040 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:27:52,042 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:27:52,042 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:27:52,056 INFO ]: With dead ends: 13 [2018-06-22 16:27:52,056 INFO ]: Without dead ends: 13 [2018-06-22 16:27:52,057 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 16:27:52,077 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:27:52,112 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:27:52,113 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:27:52,114 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:27:52,116 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:27:52,116 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:27:52,116 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:27:52,116 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:27:52,116 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:27:52,117 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:27:52,117 INFO ]: Found error trace [2018-06-22 16:27:52,118 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:27:52,118 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:27:52,118 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:27:52,118 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:27:52,118 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:27:52,119 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:27:52,119 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:27:52,119 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:27:52,253 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:27:53,551 WARN ]: Spent 951.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 57 [2018-06-22 16:27:53,612 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:27:53,612 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:27:53,613 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 16:27:53,620 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:27:53,796 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:27:53,816 INFO ]: Computing forward predicates... [2018-06-22 16:27:53,995 WARN ]: expecting exponential blowup for input size 33 Received shutdown request... [2018-06-22 16:28:40,172 INFO ]: Timeout while computing interpolants [2018-06-22 16:28:40,372 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:28:40,372 WARN ]: Verification canceled [2018-06-22 16:28:40,377 WARN ]: Timeout [2018-06-22 16:28:40,378 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:28:40 BoogieIcfgContainer [2018-06-22 16:28:40,378 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:28:40,378 INFO ]: Toolchain (without parser) took 49946.19 ms. Allocated memory was 309.3 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 230.8 MB in the beginning and 1.1 GB in the end (delta: -861.1 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:28:40,379 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:28:40,380 INFO ]: ChcToBoogie took 82.57 ms. Allocated memory is still 309.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:28:40,380 INFO ]: Boogie Preprocessor took 81.68 ms. Allocated memory is still 309.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:28:40,380 INFO ]: RCFGBuilder took 551.27 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 224.8 MB in the beginning and 288.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:28:40,381 INFO ]: TraceAbstraction took 49221.32 ms. Allocated memory was 326.1 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 288.7 MB in the beginning and 1.1 GB in the end (delta: -803.2 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:28:40,394 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 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.57 ms. Allocated memory is still 309.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 81.68 ms. Allocated memory is still 309.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 551.27 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 224.8 MB in the beginning and 288.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49221.32 ms. Allocated memory was 326.1 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 288.7 MB in the beginning and 1.1 GB in the end (delta: -803.2 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 33 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.1s 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, 0.2s 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, 184 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_14_e2_3606.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-28-40-409.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_14_e2_3606.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-28-40-409.csv Completed graceful shutdown