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_3_e1_4783_e3_511.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:39:27,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:39:27,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:39:27,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:39:27,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:39:27,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:39:27,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:39:27,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:39:27,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:39:27,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:39:27,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:39:27,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:39:27,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:39:27,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:39:27,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:39:27,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:39:27,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:39:27,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:39:27,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:39:27,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:39:27,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:39:27,977 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:39:27,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:39:27,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:39:27,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:39:27,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:39:27,982 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:39:27,982 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:39:27,983 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:39:27,983 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:39:27,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:39:27,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:39:27,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:39:27,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:39:27,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:39:27,989 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 16:39:28,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:39:28,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:39:28,008 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:39:28,009 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:39:28,009 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:39:28,010 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:39:28,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:39:28,010 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:39:28,010 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:39:28,011 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:39:28,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:39:28,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:39:28,012 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:39:28,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:39:28,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:39:28,012 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:39:28,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:39:28,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:39:28,013 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:39:28,014 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:39:28,014 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:39:28,060 INFO ]: Repository-Root is: /tmp [2018-06-22 16:39:28,076 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:39:28,081 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:39:28,083 INFO ]: Initializing SmtParser... [2018-06-22 16:39:28,083 INFO ]: SmtParser initialized [2018-06-22 16:39:28,083 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e3_511.smt2 [2018-06-22 16:39:28,085 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 16:39:28,165 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e3_511.smt2 unknown [2018-06-22 16:39:28,819 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_3_e1_4783_e3_511.smt2 [2018-06-22 16:39:28,824 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:39:28,830 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:39:28,830 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:39:28,830 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:39:28,831 INFO ]: ChcToBoogie initialized [2018-06-22 16:39:28,833 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:28,917 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28 Unit [2018-06-22 16:39:28,917 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:39:28,918 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:39:28,918 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:39:28,918 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:39:28,956 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:28,956 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:28,973 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:28,973 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:29,001 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:29,006 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:29,009 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (1/1) ... [2018-06-22 16:39:29,013 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:39:29,014 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:39:29,014 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:39:29,014 INFO ]: RCFGBuilder initialized [2018-06-22 16:39:29,015 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (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 16:39:29,028 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:39:29,028 INFO ]: Found specification of procedure False [2018-06-22 16:39:29,028 INFO ]: Found implementation of procedure False [2018-06-22 16:39:29,028 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:39:29,028 INFO ]: Found specification of procedure state [2018-06-22 16:39:29,028 INFO ]: Found implementation of procedure state [2018-06-22 16:39:29,028 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:39:29,028 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:39:29,028 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 16:39:29,576 INFO ]: Using library mode [2018-06-22 16:39:29,577 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:39:29 BoogieIcfgContainer [2018-06-22 16:39:29,577 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:39:29,578 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:39:29,578 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:39:29,584 INFO ]: TraceAbstraction initialized [2018-06-22 16:39:29,584 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:39:28" (1/3) ... [2018-06-22 16:39:29,585 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4554b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:39:29, skipping insertion in model container [2018-06-22 16:39:29,585 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:39:28" (2/3) ... [2018-06-22 16:39:29,585 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4554b26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:39:29, skipping insertion in model container [2018-06-22 16:39:29,585 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:39:29" (3/3) ... [2018-06-22 16:39:29,588 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:39:29,598 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:39:29,607 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:39:29,655 INFO ]: Using default assertion order modulation [2018-06-22 16:39:29,655 INFO ]: Interprodecural is true [2018-06-22 16:39:29,655 INFO ]: Hoare is false [2018-06-22 16:39:29,655 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:39:29,655 INFO ]: Backedges is TWOTRACK [2018-06-22 16:39:29,655 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:39:29,655 INFO ]: Difference is false [2018-06-22 16:39:29,655 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:39:29,655 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:39:29,672 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:39:29,685 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:39:29,685 INFO ]: Found error trace [2018-06-22 16:39:29,686 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:39:29,686 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:39:29,691 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:39:29,693 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:39:29,694 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:39:29,741 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:29,741 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:29,741 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:29,906 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:30,288 WARN ]: Spent 112.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 13 [2018-06-22 16:39:30,290 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:39:30,292 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:39:30,292 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:39:30,294 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:39:30,304 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:39:30,304 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:39:30,305 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:39:30,460 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:39:30,460 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:39:30,462 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:39:30,463 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:39:30,463 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:39:30,475 INFO ]: With dead ends: 13 [2018-06-22 16:39:30,476 INFO ]: Without dead ends: 13 [2018-06-22 16:39:30,477 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 16:39:30,497 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:39:30,535 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:39:30,536 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:39:30,537 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:39:30,538 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:39:30,538 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:39:30,538 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:39:30,538 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:39:30,538 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:39:30,540 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:39:30,540 INFO ]: Found error trace [2018-06-22 16:39:30,540 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:39:30,540 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:39:30,540 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:39:30,540 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:39:30,540 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:39:30,541 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:30,541 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:30,541 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:39:30,803 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:36,386 WARN ]: Spent 4.85 s on a formula simplification. DAG size of input: 534 DAG size of output: 250 [2018-06-22 16:39:36,522 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:39:36,522 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:39:36,522 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 16:39:36,538 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:39:36,726 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:39:36,750 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 16:40:40,506 INFO ]: Timeout while computing interpolants [2018-06-22 16:40:40,707 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:40:40,707 WARN ]: Verification canceled [2018-06-22 16:40:40,712 WARN ]: Timeout [2018-06-22 16:40:40,712 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:40:40 BoogieIcfgContainer [2018-06-22 16:40:40,712 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:40:40,713 INFO ]: Toolchain (without parser) took 71888.75 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.3 MB in the beginning and 1.2 GB in the end (delta: -945.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:40:40,714 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:40:40,714 INFO ]: ChcToBoogie took 87.04 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 225.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:40,714 INFO ]: Boogie Preprocessor took 95.79 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:40,715 INFO ]: RCFGBuilder took 563.07 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 223.3 MB in the beginning and 285.8 MB in the end (delta: -62.4 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:40:40,718 INFO ]: TraceAbstraction took 71133.89 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.8 MB in the beginning and 1.2 GB in the end (delta: -889.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:40:40,721 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 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.04 ms. Allocated memory is still 308.8 MB. Free memory was 229.3 MB in the beginning and 225.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 95.79 ms. Allocated memory is still 308.8 MB. Free memory was 225.3 MB in the beginning and 223.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 563.07 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 223.3 MB in the beginning and 285.8 MB in the end (delta: -62.4 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71133.89 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 285.8 MB in the beginning and 1.2 GB in the end (delta: -889.0 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 63 quantified variables from 80 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.0s 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, 280 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_3_e1_4783_e3_511.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-40-40-731.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_3_e1_4783_e3_511.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-40-40-731.csv Completed graceful shutdown