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_8_e2_3896_e3_3125.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:00:28,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:00:28,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:00:28,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:00:28,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:00:28,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:00:28,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:00:28,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:00:28,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:00:28,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:00:28,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:00:28,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:00:28,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:00:28,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:00:28,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:00:28,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:00:28,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:00:28,055 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:00:28,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:00:28,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:00:28,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:00:28,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:00:28,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:00:28,072 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:00:28,073 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:00:28,074 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:00:28,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:00:28,075 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:00:28,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:00:28,076 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:00:28,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:00:28,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:00:28,081 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:00:28,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:00:28,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:00:28,082 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 17:00:28,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:00:28,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:00:28,106 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:00:28,106 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:00:28,107 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:00:28,107 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:00:28,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:00:28,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:00:28,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:00:28,108 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:00:28,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:00:28,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:00:28,112 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:00:28,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:00:28,112 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:00:28,112 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:00:28,112 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:00:28,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:00:28,113 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:00:28,114 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:00:28,114 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:00:28,165 INFO ]: Repository-Root is: /tmp [2018-06-22 17:00:28,184 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:00:28,190 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:00:28,192 INFO ]: Initializing SmtParser... [2018-06-22 17:00:28,192 INFO ]: SmtParser initialized [2018-06-22 17:00:28,193 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 [2018-06-22 17:00:28,194 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 17:00:28,285 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 unknown [2018-06-22 17:00:28,979 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8_e2_3896_e3_3125.smt2 [2018-06-22 17:00:28,983 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:00:28,988 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:00:28,989 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:00:28,989 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:00:28,989 INFO ]: ChcToBoogie initialized [2018-06-22 17:00:28,992 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:00:28" (1/1) ... [2018-06-22 17:00:29,061 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29 Unit [2018-06-22 17:00:29,062 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:00:29,062 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:00:29,062 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:00:29,062 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:00:29,086 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,086 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,103 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,104 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,123 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,124 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,135 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (1/1) ... [2018-06-22 17:00:29,141 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:00:29,142 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:00:29,142 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:00:29,142 INFO ]: RCFGBuilder initialized [2018-06-22 17:00:29,143 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (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 17:00:29,161 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:00:29,161 INFO ]: Found specification of procedure False [2018-06-22 17:00:29,161 INFO ]: Found implementation of procedure False [2018-06-22 17:00:29,161 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:00:29,161 INFO ]: Found specification of procedure state [2018-06-22 17:00:29,161 INFO ]: Found implementation of procedure state [2018-06-22 17:00:29,161 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:00:29,161 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:00:29,161 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 17:00:29,665 INFO ]: Using library mode [2018-06-22 17:00:29,666 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:00:29 BoogieIcfgContainer [2018-06-22 17:00:29,666 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:00:29,667 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:00:29,667 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:00:29,672 INFO ]: TraceAbstraction initialized [2018-06-22 17:00:29,672 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:00:28" (1/3) ... [2018-06-22 17:00:29,673 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:00:29, skipping insertion in model container [2018-06-22 17:00:29,673 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:00:29" (2/3) ... [2018-06-22 17:00:29,673 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44af0132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:00:29, skipping insertion in model container [2018-06-22 17:00:29,673 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:00:29" (3/3) ... [2018-06-22 17:00:29,675 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:00:29,683 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:00:29,693 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:00:29,738 INFO ]: Using default assertion order modulation [2018-06-22 17:00:29,739 INFO ]: Interprodecural is true [2018-06-22 17:00:29,739 INFO ]: Hoare is false [2018-06-22 17:00:29,739 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:00:29,739 INFO ]: Backedges is TWOTRACK [2018-06-22 17:00:29,739 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:00:29,739 INFO ]: Difference is false [2018-06-22 17:00:29,739 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:00:29,739 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:00:29,757 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:00:29,771 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:00:29,771 INFO ]: Found error trace [2018-06-22 17:00:29,772 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:00:29,772 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:00:29,778 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:00:29,780 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:00:29,780 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:00:29,815 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:29,815 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:29,815 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:29,904 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:30,245 WARN ]: Spent 106.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 17:00:30,248 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:00:30,250 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:00:30,251 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:00:30,252 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:00:30,267 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:00:30,268 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:00:30,271 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:00:30,407 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:00:30,408 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:00:30,409 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:00:30,411 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:00:30,411 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:00:30,425 INFO ]: With dead ends: 13 [2018-06-22 17:00:30,425 INFO ]: Without dead ends: 13 [2018-06-22 17:00:30,428 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 17:00:30,448 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:00:30,484 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:00:30,485 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:00:30,486 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:00:30,487 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:00:30,487 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:00:30,487 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:00:30,487 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:00:30,488 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:00:30,489 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:00:30,489 INFO ]: Found error trace [2018-06-22 17:00:30,489 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:00:30,489 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:00:30,489 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:00:30,489 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:00:30,489 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:00:30,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:30,491 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:30,491 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:00:30,609 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:31,415 WARN ]: Spent 533.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2018-06-22 17:00:31,599 WARN ]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-22 17:00:31,686 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:00:31,686 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:00:31,686 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 17:00:31,693 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:00:31,884 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:00:31,899 INFO ]: Computing forward predicates... [2018-06-22 17:00:32,209 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:00:32,224 WARN ]: expecting exponential blowup for input size 18 Received shutdown request... [2018-06-22 17:01:18,856 INFO ]: Timeout while computing interpolants [2018-06-22 17:01:19,056 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:01:19,057 WARN ]: Verification canceled [2018-06-22 17:01:19,070 WARN ]: Timeout [2018-06-22 17:01:19,070 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:01:19 BoogieIcfgContainer [2018-06-22 17:01:19,070 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:01:19,071 INFO ]: Toolchain (without parser) took 50087.42 ms. Allocated memory was 304.1 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 227.7 MB in the beginning and 727.3 MB in the end (delta: -499.6 MB). Peak memory consumption was 3.6 GB. Max. memory is 3.6 GB. [2018-06-22 17:01:19,072 INFO ]: SmtParser took 0.50 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:01:19,072 INFO ]: ChcToBoogie took 73.08 ms. Allocated memory is still 304.1 MB. Free memory was 227.7 MB in the beginning and 224.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:19,072 INFO ]: Boogie Preprocessor took 79.10 ms. Allocated memory is still 304.1 MB. Free memory was 224.7 MB in the beginning and 222.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:19,073 INFO ]: RCFGBuilder took 524.09 ms. Allocated memory was 304.1 MB in the beginning and 324.5 MB in the end (delta: 20.4 MB). Free memory was 222.7 MB in the beginning and 287.4 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:01:19,073 INFO ]: TraceAbstraction took 49402.75 ms. Allocated memory was 324.5 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 285.9 MB in the beginning and 727.3 MB in the end (delta: -441.4 MB). Peak memory consumption was 3.6 GB. Max. memory is 3.6 GB. [2018-06-22 17:01:19,087 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.50 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 73.08 ms. Allocated memory is still 304.1 MB. Free memory was 227.7 MB in the beginning and 224.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 79.10 ms. Allocated memory is still 304.1 MB. Free memory was 224.7 MB in the beginning and 222.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 524.09 ms. Allocated memory was 304.1 MB in the beginning and 324.5 MB in the end (delta: 20.4 MB). Free memory was 222.7 MB in the beginning and 287.4 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49402.75 ms. Allocated memory was 324.5 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 285.9 MB in the beginning and 727.3 MB in the end (delta: -441.4 MB). Peak memory consumption was 3.6 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 18 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.3s 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8_e2_3896_e3_3125.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-01-19-099.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8_e2_3896_e3_3125.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-01-19-099.csv Completed graceful shutdown