java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 14:50:37,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 14:50:37,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 14:50:37,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 14:50:37,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 14:50:37,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 14:50:37,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 14:50:37,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 14:50:37,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 14:50:37,911 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 14:50:37,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 14:50:37,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 14:50:37,916 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 14:50:37,917 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 14:50:37,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 14:50:37,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 14:50:37,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 14:50:37,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 14:50:37,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 14:50:37,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 14:50:37,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 14:50:37,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 14:50:37,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 14:50:37,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 14:50:37,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 14:50:37,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 14:50:37,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 14:50:37,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 14:50:37,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 14:50:37,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 14:50:37,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 14:50:37,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 14:50:37,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 14:50:37,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 14:50:37,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 14:50:37,958 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 14:50:37,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 14:50:37,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 14:50:37,978 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 14:50:37,979 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 14:50:37,983 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 14:50:37,983 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 14:50:37,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 14:50:37,984 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 14:50:37,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:50:37,984 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 14:50:37,984 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 14:50:37,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 14:50:37,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 14:50:37,986 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 14:50:37,986 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 14:50:37,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 14:50:37,986 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 14:50:37,988 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 14:50:37,988 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 14:50:38,044 INFO ]: Repository-Root is: /tmp [2018-06-18 14:50:38,072 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 14:50:38,082 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 14:50:38,092 INFO ]: Initializing SmtParser... [2018-06-18 14:50:38,092 INFO ]: SmtParser initialized [2018-06-18 14:50:38,093 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022.smt2 [2018-06-18 14:50:38,094 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 [2018-06-18 14:50:38,248 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022.smt2 unknown [2018-06-18 14:50:38,991 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e1_4022.smt2 [2018-06-18 14:50:38,996 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 14:50:39,002 INFO ]: Walking toolchain with 4 elements. [2018-06-18 14:50:39,002 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 14:50:39,002 INFO ]: Initializing ChcToBoogie... [2018-06-18 14:50:39,002 INFO ]: ChcToBoogie initialized [2018-06-18 14:50:39,009 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:50:38" (1/1) ... [2018-06-18 14:50:39,245 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39 Unit [2018-06-18 14:50:39,245 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 14:50:39,249 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 14:50:39,249 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 14:50:39,249 INFO ]: Boogie Preprocessor initialized [2018-06-18 14:50:39,298 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,299 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,352 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,352 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,373 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,387 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,401 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (1/1) ... [2018-06-18 14:50:39,415 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 14:50:39,416 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 14:50:39,416 INFO ]: Initializing RCFGBuilder... [2018-06-18 14:50:39,416 INFO ]: RCFGBuilder initialized [2018-06-18 14:50:39,417 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 14:50:39,444 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 14:50:39,444 INFO ]: Found specification of procedure False [2018-06-18 14:50:39,444 INFO ]: Found implementation of procedure False [2018-06-18 14:50:39,444 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 14:50:39,444 INFO ]: Found specification of procedure state [2018-06-18 14:50:39,444 INFO ]: Found implementation of procedure state [2018-06-18 14:50:39,444 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 14:50:39,444 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 14:50:39,444 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 14:50:40,131 INFO ]: Using library mode [2018-06-18 14:50:40,132 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:50:40 BoogieIcfgContainer [2018-06-18 14:50:40,133 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 14:50:40,134 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 14:50:40,134 INFO ]: Initializing TraceAbstraction... [2018-06-18 14:50:40,137 INFO ]: TraceAbstraction initialized [2018-06-18 14:50:40,138 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 02:50:38" (1/3) ... [2018-06-18 14:50:40,138 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83712c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 02:50:40, skipping insertion in model container [2018-06-18 14:50:40,139 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 02:50:39" (2/3) ... [2018-06-18 14:50:40,139 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b83712c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 02:50:40, skipping insertion in model container [2018-06-18 14:50:40,139 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 02:50:40" (3/3) ... [2018-06-18 14:50:40,142 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 14:50:40,152 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 14:50:40,162 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 14:50:40,215 INFO ]: Using default assertion order modulation [2018-06-18 14:50:40,215 INFO ]: Interprodecural is true [2018-06-18 14:50:40,215 INFO ]: Hoare is false [2018-06-18 14:50:40,215 INFO ]: Compute interpolants for FPandBP [2018-06-18 14:50:40,215 INFO ]: Backedges is TWOTRACK [2018-06-18 14:50:40,215 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 14:50:40,215 INFO ]: Difference is false [2018-06-18 14:50:40,215 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 14:50:40,216 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 14:50:40,230 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 14:50:40,243 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 14:50:40,243 INFO ]: Found error trace [2018-06-18 14:50:40,244 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:50:40,244 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:50:40,251 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 14:50:40,253 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:50:40,254 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:50:40,294 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:40,294 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:50:40,294 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:40,462 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:40,473 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:50:41,046 WARN ]: Spent 347.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 9 [2018-06-18 14:50:41,062 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 14:50:41,066 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 14:50:41,066 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 14:50:41,069 INFO ]: Interpolant automaton has 4 states [2018-06-18 14:50:41,105 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 14:50:41,115 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:50:41,118 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 14:50:41,337 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 14:50:41,337 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 14:50:41,338 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 14:50:41,340 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 14:50:41,340 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 14:50:41,356 INFO ]: With dead ends: 13 [2018-06-18 14:50:41,356 INFO ]: Without dead ends: 13 [2018-06-18 14:50:41,359 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 14:50:41,380 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 14:50:41,410 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 14:50:41,412 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 14:50:41,413 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 14:50:41,414 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 14:50:41,414 INFO ]: Finished accepts. word is rejected. [2018-06-18 14:50:41,414 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 14:50:41,414 INFO ]: Interpolant automaton has 4 states. [2018-06-18 14:50:41,415 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 14:50:41,416 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 14:50:41,416 INFO ]: Found error trace [2018-06-18 14:50:41,416 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 14:50:41,416 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 14:50:41,416 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 14:50:41,416 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 14:50:41,416 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 14:50:41,417 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:41,417 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:50:41,417 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 14:50:41,728 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:41,729 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 14:50:46,769 WARN ]: Spent 4.40 s on a formula simplification. DAG size of input: 454 DAG size of output: 272 [2018-06-18 14:50:47,242 WARN ]: Spent 288.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2018-06-18 14:50:47,246 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 14:50:47,246 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 14:50:47,246 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 [2018-06-18 14:50:47,265 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 14:50:47,438 INFO ]: Conjunction of SSA is unsat [2018-06-18 14:50:47,458 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 14:51:47,599 INFO ]: Timeout while computing interpolants [2018-06-18 14:51:47,800 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 14:51:47,800 WARN ]: Verification canceled [2018-06-18 14:51:47,804 WARN ]: Timeout [2018-06-18 14:51:47,804 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 02:51:47 BoogieIcfgContainer [2018-06-18 14:51:47,804 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 14:51:47,805 INFO ]: Toolchain (without parser) took 68808.55 ms. Allocated memory was 304.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 227.7 MB in the beginning and 1.1 GB in the end (delta: -844.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:51:47,808 INFO ]: SmtParser took 0.09 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. [2018-06-18 14:51:47,809 INFO ]: ChcToBoogie took 243.19 ms. Allocated memory is still 304.1 MB. Free memory was 226.7 MB in the beginning and 218.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 14:51:47,809 INFO ]: Boogie Preprocessor took 166.30 ms. Allocated memory is still 304.1 MB. Free memory was 218.7 MB in the beginning and 217.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 14:51:47,810 INFO ]: RCFGBuilder took 717.24 ms. Allocated memory was 304.1 MB in the beginning and 321.9 MB in the end (delta: 17.8 MB). Free memory was 217.7 MB in the beginning and 276.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. [2018-06-18 14:51:47,810 INFO ]: TraceAbstraction took 67670.00 ms. Allocated memory was 321.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.0 MB in the beginning and 1.1 GB in the end (delta: -796.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 14:51:47,823 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 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 243.19 ms. Allocated memory is still 304.1 MB. Free memory was 226.7 MB in the beginning and 218.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 166.30 ms. Allocated memory is still 304.1 MB. Free memory was 218.7 MB in the beginning and 217.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 717.24 ms. Allocated memory was 304.1 MB in the beginning and 321.9 MB in the end (delta: 17.8 MB). Free memory was 217.7 MB in the beginning and 276.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67670.00 ms. Allocated memory was 321.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 276.0 MB in the beginning and 1.1 GB in the end (delta: -796.2 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 69 quantified variables from 98 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.4s 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, 0.5s 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_all_e1_4022.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_14-51-47-842.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e1_4022.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_14-51-47-842.csv Completed graceful shutdown