java -Xss4m -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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_3_e2_2236_e7_3681.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 15:15:04,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 15:15:04,285 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 15:15:04,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 15:15:04,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 15:15:04,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 15:15:04,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 15:15:04,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 15:15:04,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 15:15:04,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 15:15:04,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 15:15:04,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 15:15:04,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 15:15:04,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 15:15:04,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 15:15:04,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 15:15:04,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 15:15:04,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 15:15:04,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 15:15:04,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 15:15:04,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 15:15:04,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 15:15:04,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 15:15:04,336 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 15:15:04,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 15:15:04,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 15:15:04,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 15:15:04,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 15:15:04,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 15:15:04,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 15:15:04,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 15:15:04,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 15:15:04,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 15:15:04,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 15:15:04,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 15:15:04,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 15:15:04,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 15:15:04,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 15:15:04,365 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 15:15:04,366 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 15:15:04,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 15:15:04,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 15:15:04,367 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 15:15:04,367 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 15:15:04,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 15:15:04,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 15:15:04,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 15:15:04,368 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 15:15:04,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 15:15:04,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 15:15:04,369 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 15:15:04,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 15:15:04,369 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 15:15:04,369 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 15:15:04,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 15:15:04,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 15:15:04,370 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 15:15:04,372 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 15:15:04,372 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 15:15:04,421 INFO ]: Repository-Root is: /tmp [2018-06-25 15:15:04,441 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 15:15:04,447 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 15:15:04,448 INFO ]: Initializing SmtParser... [2018-06-25 15:15:04,448 INFO ]: SmtParser initialized [2018-06-25 15:15:04,449 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_3_e2_2236_e7_3681.smt2 [2018-06-25 15:15:04,450 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 [2018-06-25 15:15:04,539 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_3_e2_2236_e7_3681.smt2 unknown [2018-06-25 15:15:05,031 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_3_e2_2236_e7_3681.smt2 [2018-06-25 15:15:05,036 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 15:15:05,050 INFO ]: Walking toolchain with 4 elements. [2018-06-25 15:15:05,051 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 15:15:05,051 INFO ]: Initializing ChcToBoogie... [2018-06-25 15:15:05,051 INFO ]: ChcToBoogie initialized [2018-06-25 15:15:05,054 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,154 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05 Unit [2018-06-25 15:15:05,155 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 15:15:05,155 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 15:15:05,155 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 15:15:05,155 INFO ]: Boogie Preprocessor initialized [2018-06-25 15:15:05,178 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,178 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,204 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,204 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,221 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,223 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,226 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (1/1) ... [2018-06-25 15:15:05,235 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 15:15:05,235 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 15:15:05,235 INFO ]: Initializing RCFGBuilder... [2018-06-25 15:15:05,235 INFO ]: RCFGBuilder initialized [2018-06-25 15:15:05,236 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (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) [2018-06-25 15:15:05,258 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 15:15:05,258 INFO ]: Found specification of procedure gotoProc [2018-06-25 15:15:05,258 INFO ]: Found implementation of procedure gotoProc [2018-06-25 15:15:05,258 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 15:15:05,258 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 15:15:05,258 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 [2018-06-25 15:15:05,744 INFO ]: Using library mode [2018-06-25 15:15:05,745 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:15:05 BoogieIcfgContainer [2018-06-25 15:15:05,745 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 15:15:05,746 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 15:15:05,746 INFO ]: Initializing TraceAbstraction... [2018-06-25 15:15:05,752 INFO ]: TraceAbstraction initialized [2018-06-25 15:15:05,752 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:15:05" (1/3) ... [2018-06-25 15:15:05,753 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b274f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 03:15:05, skipping insertion in model container [2018-06-25 15:15:05,753 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:15:05" (2/3) ... [2018-06-25 15:15:05,753 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b274f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 03:15:05, skipping insertion in model container [2018-06-25 15:15:05,753 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:15:05" (3/3) ... [2018-06-25 15:15:05,755 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 15:15:05,765 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 15:15:05,775 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 15:15:05,841 INFO ]: Using default assertion order modulation [2018-06-25 15:15:05,842 INFO ]: Interprodecural is true [2018-06-25 15:15:05,842 INFO ]: Hoare is false [2018-06-25 15:15:05,842 INFO ]: Compute interpolants for FPandBP [2018-06-25 15:15:05,842 INFO ]: Backedges is TWOTRACK [2018-06-25 15:15:05,842 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 15:15:05,842 INFO ]: Difference is false [2018-06-25 15:15:05,842 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 15:15:05,842 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 15:15:05,862 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 15:15:05,878 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 15:15:05,878 INFO ]: Found error trace [2018-06-25 15:15:05,879 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:15:05,879 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:15:05,884 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 15:15:05,887 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:15:05,888 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:15:05,929 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:15:05,929 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:15:05,929 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:15:06,081 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:15:06,274 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:15:06,276 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 15:15:06,277 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 15:15:06,279 INFO ]: Interpolant automaton has 3 states [2018-06-25 15:15:06,295 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 15:15:06,296 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:15:06,298 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 15:15:06,410 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 15:15:06,410 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 15:15:06,410 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 15:15:06,412 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 15:15:06,412 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 15:15:06,423 INFO ]: With dead ends: 9 [2018-06-25 15:15:06,423 INFO ]: Without dead ends: 9 [2018-06-25 15:15:06,426 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:15:06,445 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 15:15:06,466 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 15:15:06,468 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 15:15:06,468 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 15:15:06,470 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 15:15:06,470 INFO ]: Finished accepts. word is rejected. [2018-06-25 15:15:06,470 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 15:15:06,470 INFO ]: Interpolant automaton has 3 states. [2018-06-25 15:15:06,470 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 15:15:06,471 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 15:15:06,471 INFO ]: Found error trace [2018-06-25 15:15:06,471 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:15:06,471 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:15:06,471 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 15:15:06,471 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:15:06,471 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:15:06,472 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:15:06,472 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:15:06,472 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:15:06,591 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:15:06,822 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:15:06,822 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 15:15:06,822 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) [2018-06-25 15:15:06,840 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 15:15:07,068 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:15:07,082 INFO ]: Computing forward predicates... [2018-06-25 15:15:07,460 WARN ]: expecting exponential blowup for input size 12 [2018-06-25 15:15:07,644 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-25 15:15:12,442 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-25 15:15:12,497 WARN ]: expecting exponential blowup for input size 17 [2018-06-25 15:15:13,043 WARN ]: Simplifying disjunction of 15552 conjuctions. This might take some time... [2018-06-25 15:15:42,373 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-25 15:15:42,537 WARN ]: expecting exponential blowup for input size 18 [2018-06-25 15:15:44,642 WARN ]: Simplifying disjunction of 124416 conjuctions. This might take some time... Received shutdown request... [2018-06-25 15:16:25,019 INFO ]: Timeout while computing interpolants [2018-06-25 15:16:25,220 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 15:16:25,220 WARN ]: Verification canceled [2018-06-25 15:16:25,225 WARN ]: Timeout [2018-06-25 15:16:25,226 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 03:16:25 BoogieIcfgContainer [2018-06-25 15:16:25,226 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 15:16:25,226 INFO ]: Toolchain (without parser) took 80189.82 ms. Allocated memory was 309.3 MB in the beginning and 829.9 MB in the end (delta: 520.6 MB). Free memory was 244.8 MB in the beginning and 504.9 MB in the end (delta: -260.2 MB). Peak memory consumption was 377.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:16:25,228 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. [2018-06-25 15:16:25,228 INFO ]: ChcToBoogie took 104.37 ms. Allocated memory is still 309.3 MB. Free memory was 243.8 MB in the beginning and 240.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:16:25,229 INFO ]: Boogie Preprocessor took 79.32 ms. Allocated memory is still 309.3 MB. Free memory was 240.8 MB in the beginning and 238.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:16:25,229 INFO ]: RCFGBuilder took 509.84 ms. Allocated memory is still 309.3 MB. Free memory was 238.8 MB in the beginning and 200.9 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 3.6 GB. [2018-06-25 15:16:25,230 INFO ]: TraceAbstraction took 79479.17 ms. Allocated memory was 309.3 MB in the beginning and 829.9 MB in the end (delta: 520.6 MB). Free memory was 200.9 MB in the beginning and 504.9 MB in the end (delta: -304.0 MB). Peak memory consumption was 333.2 MB. Max. memory is 3.6 GB. [2018-06-25 15:16:25,241 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 104.37 ms. Allocated memory is still 309.3 MB. Free memory was 243.8 MB in the beginning and 240.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 79.32 ms. Allocated memory is still 309.3 MB. Free memory was 240.8 MB in the beginning and 238.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 509.84 ms. Allocated memory is still 309.3 MB. Free memory was 238.8 MB in the beginning and 200.9 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79479.17 ms. Allocated memory was 309.3 MB in the beginning and 829.9 MB in the end (delta: 520.6 MB). Free memory was 200.9 MB in the beginning and 504.9 MB in the end (delta: -304.0 MB). Peak memory consumption was 333.2 MB. 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 124416 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 79.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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_3_e2_2236_e7_3681.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_15-16-25-254.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_3_e2_2236_e7_3681.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_15-16-25-254.csv Completed graceful shutdown