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_1_e1_1092.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:04:06,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:04:06,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:04:06,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:04:06,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:04:06,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:04:06,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:04:06,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:04:06,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:04:06,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:04:06,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:04:06,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:04:06,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:04:06,255 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:04:06,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:04:06,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:04:06,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:04:06,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:04:06,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:04:06,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:04:06,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:04:06,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:04:06,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:04:06,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:04:06,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:04:06,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:04:06,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:04:06,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:04:06,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:04:06,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:04:06,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:04:06,275 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:04:06,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:04:06,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:04:06,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:04:06,277 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:04:06,290 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:04:06,291 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:04:06,291 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:04:06,291 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:04:06,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:04:06,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:04:06,293 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:04:06,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:04:06,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:04:06,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:04:06,294 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:04:06,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:04:06,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:04:06,295 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:04:06,295 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:04:06,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:04:06,295 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:04:06,297 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:04:06,297 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:04:06,347 INFO ]: Repository-Root is: /tmp [2018-06-18 15:04:06,362 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:04:06,366 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:04:06,368 INFO ]: Initializing SmtParser... [2018-06-18 15:04:06,368 INFO ]: SmtParser initialized [2018-06-18 15:04:06,369 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 [2018-06-18 15:04:06,370 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 15:04:06,455 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 unknown [2018-06-18 15:04:07,150 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_1_e1_1092.smt2 [2018-06-18 15:04:07,155 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:04:07,161 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:04:07,161 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:04:07,161 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:04:07,161 INFO ]: ChcToBoogie initialized [2018-06-18 15:04:07,168 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,271 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07 Unit [2018-06-18 15:04:07,272 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:04:07,278 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:04:07,278 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:04:07,278 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:04:07,306 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,306 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,325 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,337 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,345 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,355 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,358 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (1/1) ... [2018-06-18 15:04:07,371 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:04:07,372 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:04:07,372 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:04:07,372 INFO ]: RCFGBuilder initialized [2018-06-18 15:04:07,373 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (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 15:04:07,418 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:04:07,418 INFO ]: Found specification of procedure False [2018-06-18 15:04:07,419 INFO ]: Found implementation of procedure False [2018-06-18 15:04:07,419 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:04:07,419 INFO ]: Found specification of procedure state [2018-06-18 15:04:07,419 INFO ]: Found implementation of procedure state [2018-06-18 15:04:07,419 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:04:07,419 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:04:07,419 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 [2018-06-18 15:04:07,841 INFO ]: Using library mode [2018-06-18 15:04:07,842 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:04:07 BoogieIcfgContainer [2018-06-18 15:04:07,842 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:04:07,844 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:04:07,844 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:04:07,852 INFO ]: TraceAbstraction initialized [2018-06-18 15:04:07,852 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:04:07" (1/3) ... [2018-06-18 15:04:07,853 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187f21c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:04:07, skipping insertion in model container [2018-06-18 15:04:07,853 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:04:07" (2/3) ... [2018-06-18 15:04:07,853 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187f21c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:04:07, skipping insertion in model container [2018-06-18 15:04:07,853 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:04:07" (3/3) ... [2018-06-18 15:04:07,856 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:04:07,866 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:04:07,877 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:04:07,932 INFO ]: Using default assertion order modulation [2018-06-18 15:04:07,933 INFO ]: Interprodecural is true [2018-06-18 15:04:07,933 INFO ]: Hoare is false [2018-06-18 15:04:07,933 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:04:07,933 INFO ]: Backedges is TWOTRACK [2018-06-18 15:04:07,933 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:04:07,933 INFO ]: Difference is false [2018-06-18 15:04:07,933 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:04:07,933 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:04:07,952 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:04:07,966 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:04:07,967 INFO ]: Found error trace [2018-06-18 15:04:07,968 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:04:07,968 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:04:07,974 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 15:04:07,977 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:04:07,977 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:04:08,032 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:04:08,033 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:04:08,033 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:04:08,184 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:04:08,194 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:04:08,367 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:04:08,369 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:04:08,369 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:04:08,371 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:04:08,387 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:04:08,388 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:04:08,390 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:04:08,560 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:04:08,560 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:04:08,562 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:04:08,563 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:04:08,563 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:04:08,576 INFO ]: With dead ends: 13 [2018-06-18 15:04:08,576 INFO ]: Without dead ends: 13 [2018-06-18 15:04:08,579 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:04:08,598 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:04:08,638 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:04:08,639 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:04:08,640 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:04:08,641 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:04:08,641 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:04:08,641 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:04:08,641 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:04:08,641 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:04:08,643 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:04:08,644 INFO ]: Found error trace [2018-06-18 15:04:08,644 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:04:08,644 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:04:08,644 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 15:04:08,644 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:04:08,644 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:04:08,645 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:04:08,645 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:04:08,645 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:04:08,979 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:04:08,981 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:04:12,755 WARN ]: Spent 3.23 s on a formula simplification. DAG size of input: 352 DAG size of output: 130 [2018-06-18 15:04:13,106 WARN ]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 1 [2018-06-18 15:04:13,109 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:04:13,110 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:04:13,111 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 15:04:13,121 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:04:13,231 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:04:13,248 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:05:15,544 INFO ]: Timeout while computing interpolants [2018-06-18 15:05:15,745 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:05:15,745 WARN ]: Verification canceled [2018-06-18 15:05:15,749 WARN ]: Timeout [2018-06-18 15:05:15,751 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:05:15 BoogieIcfgContainer [2018-06-18 15:05:15,751 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:05:15,752 INFO ]: Toolchain (without parser) took 68596.36 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.8 MB in the beginning and 996.3 MB in the end (delta: -753.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:05:15,753 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:05:15,753 INFO ]: ChcToBoogie took 116.03 ms. Allocated memory is still 309.3 MB. Free memory was 242.8 MB in the beginning and 237.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:05:15,757 INFO ]: Boogie Preprocessor took 93.69 ms. Allocated memory is still 309.3 MB. Free memory was 237.8 MB in the beginning and 235.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:05:15,757 INFO ]: RCFGBuilder took 470.22 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 206.8 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:05:15,758 INFO ]: TraceAbstraction took 67907.02 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.8 MB in the beginning and 996.3 MB in the end (delta: -789.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:05:15,771 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 116.03 ms. Allocated memory is still 309.3 MB. Free memory was 242.8 MB in the beginning and 237.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.69 ms. Allocated memory is still 309.3 MB. Free memory was 237.8 MB in the beginning and 235.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 470.22 ms. Allocated memory is still 309.3 MB. Free memory was 235.8 MB in the beginning and 206.8 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67907.02 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.8 MB in the beginning and 996.3 MB in the end (delta: -789.5 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 31 quantified variables from 34 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.8s 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, 0.0s 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, 0.1s 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_1_e1_1092.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-05-15-782.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_1_e1_1092.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-05-15-782.csv Completed graceful shutdown