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/FIREFLY_6.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:16:28,932 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:16:28,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:16:28,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:16:28,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:16:28,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:16:28,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:16:28,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:16:28,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:16:28,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:16:28,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:16:28,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:16:28,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:16:28,964 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:16:28,964 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:16:28,965 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:16:28,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:16:28,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:16:28,970 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:16:28,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:16:28,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:16:28,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:16:28,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:16:28,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:16:28,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:16:28,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:16:28,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:16:28,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:16:28,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:16:28,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:16:28,980 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:16:28,981 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:16:28,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:16:28,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:16:28,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:16:28,983 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:16:28,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:16:28,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:16:28,996 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:16:28,996 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:16:28,998 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:16:28,998 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:16:28,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:16:28,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:16:28,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:16:28,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:16:28,999 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:16:28,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:16:28,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:16:28,999 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:16:29,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:16:29,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:16:29,000 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:16:29,001 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:16:29,001 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:16:29,047 INFO ]: Repository-Root is: /tmp [2018-06-18 15:16:29,064 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:16:29,070 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:16:29,072 INFO ]: Initializing SmtParser... [2018-06-18 15:16:29,072 INFO ]: SmtParser initialized [2018-06-18 15:16:29,073 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 [2018-06-18 15:16:29,074 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 15:16:29,163 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 unknown [2018-06-18 15:16:29,727 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 [2018-06-18 15:16:29,732 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:16:29,738 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:16:29,738 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:16:29,738 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:16:29,738 INFO ]: ChcToBoogie initialized [2018-06-18 15:16:29,745 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,853 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29 Unit [2018-06-18 15:16:29,853 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:16:29,854 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:16:29,854 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:16:29,854 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:16:29,875 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,876 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,889 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,890 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,899 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,900 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,904 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (1/1) ... [2018-06-18 15:16:29,909 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:16:29,910 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:16:29,910 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:16:29,910 INFO ]: RCFGBuilder initialized [2018-06-18 15:16:29,911 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (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) [2018-06-18 15:16:29,926 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:16:29,926 INFO ]: Found specification of procedure False [2018-06-18 15:16:29,926 INFO ]: Found implementation of procedure False [2018-06-18 15:16:29,926 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:16:29,926 INFO ]: Found specification of procedure state [2018-06-18 15:16:29,926 INFO ]: Found implementation of procedure state [2018-06-18 15:16:29,926 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:16:29,926 INFO ]: Found specification of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:16:29,926 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 15:16:30,382 INFO ]: Using library mode [2018-06-18 15:16:30,383 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:16:30 BoogieIcfgContainer [2018-06-18 15:16:30,383 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:16:30,385 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:16:30,385 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:16:30,392 INFO ]: TraceAbstraction initialized [2018-06-18 15:16:30,392 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:16:29" (1/3) ... [2018-06-18 15:16:30,393 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6c8eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:16:30, skipping insertion in model container [2018-06-18 15:16:30,393 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:16:29" (2/3) ... [2018-06-18 15:16:30,393 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6c8eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:16:30, skipping insertion in model container [2018-06-18 15:16:30,393 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:16:30" (3/3) ... [2018-06-18 15:16:30,396 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:16:30,406 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:16:30,416 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:16:30,470 INFO ]: Using default assertion order modulation [2018-06-18 15:16:30,471 INFO ]: Interprodecural is true [2018-06-18 15:16:30,471 INFO ]: Hoare is false [2018-06-18 15:16:30,471 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:16:30,471 INFO ]: Backedges is TWOTRACK [2018-06-18 15:16:30,471 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:16:30,471 INFO ]: Difference is false [2018-06-18 15:16:30,471 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:16:30,471 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:16:30,490 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:16:30,512 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:16:30,512 INFO ]: Found error trace [2018-06-18 15:16:30,513 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:16:30,513 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:16:30,519 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:16:30,521 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:16:30,522 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:16:30,575 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:16:30,575 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:16:30,575 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:16:30,689 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:16:30,698 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:16:30,918 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:16:30,921 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:16:30,921 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:16:30,923 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:16:30,935 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:16:30,935 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:16:30,937 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:16:31,098 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:16:31,099 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:16:31,100 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:16:31,101 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:16:31,102 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:16:31,116 INFO ]: With dead ends: 13 [2018-06-18 15:16:31,116 INFO ]: Without dead ends: 13 [2018-06-18 15:16:31,121 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:16:31,139 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:16:31,160 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:16:31,161 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:16:31,162 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:16:31,163 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:16:31,164 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:16:31,164 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:16:31,164 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:16:31,164 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:16:31,165 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:16:31,165 INFO ]: Found error trace [2018-06-18 15:16:31,165 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:16:31,165 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:16:31,166 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:16:31,166 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:16:31,166 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:16:31,166 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:16:31,166 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:16:31,167 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:16:31,286 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:16:31,286 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:16:32,266 WARN ]: Spent 750.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 26 [2018-06-18 15:16:32,406 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:16:32,406 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:16:32,406 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 15:16:32,413 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:16:32,547 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:16:32,560 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:17:39,965 INFO ]: Timeout while computing interpolants [2018-06-18 15:17:40,167 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:17:40,167 WARN ]: Verification canceled [2018-06-18 15:17:40,172 WARN ]: Timeout [2018-06-18 15:17:40,172 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:17:40 BoogieIcfgContainer [2018-06-18 15:17:40,172 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:17:40,173 INFO ]: Toolchain (without parser) took 70441.13 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 237.6 MB in the beginning and 708.6 MB in the end (delta: -471.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:17:40,175 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 303.0 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:17:40,175 INFO ]: ChcToBoogie took 115.40 ms. Allocated memory is still 303.0 MB. Free memory was 236.6 MB in the beginning and 231.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:17:40,181 INFO ]: Boogie Preprocessor took 55.12 ms. Allocated memory is still 303.0 MB. Free memory was 231.6 MB in the beginning and 230.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:17:40,181 INFO ]: RCFGBuilder took 473.11 ms. Allocated memory is still 303.0 MB. Free memory was 230.6 MB in the beginning and 201.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 3.6 GB. [2018-06-18 15:17:40,182 INFO ]: TraceAbstraction took 69787.78 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 201.1 MB in the beginning and 708.6 MB in the end (delta: -507.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:17:40,185 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 303.0 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.40 ms. Allocated memory is still 303.0 MB. Free memory was 236.6 MB in the beginning and 231.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.12 ms. Allocated memory is still 303.0 MB. Free memory was 231.6 MB in the beginning and 230.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 473.11 ms. Allocated memory is still 303.0 MB. Free memory was 230.6 MB in the beginning and 201.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69787.78 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 201.1 MB in the beginning and 708.6 MB in the end (delta: -507.5 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 14 quantified variables from 16 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.7s 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, 0.1s 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, 0.2s 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/FIREFLY_6.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-17-40-208.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-17-40-208.csv Completed graceful shutdown