java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e8_4841.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:54:42,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:54:42,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:54:42,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:54:42,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:54:42,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:54:42,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:54:42,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:54:42,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:54:42,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:54:42,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:54:42,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:54:42,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:54:42,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:54:42,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:54:42,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:54:42,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:54:42,298 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:54:42,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:54:42,300 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:54:42,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:54:42,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:54:42,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:54:42,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:54:42,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:54:42,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:54:42,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:54:42,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:54:42,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:54:42,312 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:54:42,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:54:42,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:54:42,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:54:42,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:54:42,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:54:42,318 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 16:54:42,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:54:42,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:54:42,339 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:54:42,339 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:54:42,340 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:54:42,340 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:54:42,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:54:42,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:54:42,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:54:42,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:54:42,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:54:42,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:54:42,341 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:54:42,342 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:54:42,346 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:54:42,347 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:54:42,394 INFO ]: Repository-Root is: /tmp [2018-06-22 16:54:42,410 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:54:42,415 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:54:42,416 INFO ]: Initializing SmtParser... [2018-06-22 16:54:42,416 INFO ]: SmtParser initialized [2018-06-22 16:54:42,417 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e8_4841.smt2 [2018-06-22 16:54:42,419 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 16:54:42,502 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e8_4841.smt2 unknown [2018-06-22 16:54:43,167 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e8_4841.smt2 [2018-06-22 16:54:43,172 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:54:43,178 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:54:43,179 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:54:43,179 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:54:43,179 INFO ]: ChcToBoogie initialized [2018-06-22 16:54:43,182 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,243 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43 Unit [2018-06-22 16:54:43,243 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:54:43,244 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:54:43,244 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:54:43,244 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:54:43,279 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,279 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,306 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,306 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,324 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,325 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,329 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... [2018-06-22 16:54:43,343 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:54:43,343 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:54:43,343 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:54:43,343 INFO ]: RCFGBuilder initialized [2018-06-22 16:54:43,344 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 16:54:43,363 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:54:43,363 INFO ]: Found specification of procedure False [2018-06-22 16:54:43,363 INFO ]: Found implementation of procedure False [2018-06-22 16:54:43,363 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:54:43,363 INFO ]: Found specification of procedure state [2018-06-22 16:54:43,363 INFO ]: Found implementation of procedure state [2018-06-22 16:54:43,363 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:54:43,363 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:54:43,363 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:54:43,935 INFO ]: Using library mode [2018-06-22 16:54:43,935 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:54:43 BoogieIcfgContainer [2018-06-22 16:54:43,935 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:54:43,938 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:54:43,938 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:54:43,943 INFO ]: TraceAbstraction initialized [2018-06-22 16:54:43,943 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:54:43" (1/3) ... [2018-06-22 16:54:43,944 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f141e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:54:43, skipping insertion in model container [2018-06-22 16:54:43,944 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:43" (2/3) ... [2018-06-22 16:54:43,944 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f141e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:54:43, skipping insertion in model container [2018-06-22 16:54:43,944 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:54:43" (3/3) ... [2018-06-22 16:54:43,947 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:54:43,956 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:54:43,966 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:54:44,016 INFO ]: Using default assertion order modulation [2018-06-22 16:54:44,017 INFO ]: Interprodecural is true [2018-06-22 16:54:44,017 INFO ]: Hoare is false [2018-06-22 16:54:44,017 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:54:44,017 INFO ]: Backedges is TWOTRACK [2018-06-22 16:54:44,017 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:54:44,017 INFO ]: Difference is false [2018-06-22 16:54:44,017 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:54:44,017 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:54:44,034 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:54:44,046 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:54:44,047 INFO ]: Found error trace [2018-06-22 16:54:44,047 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:54:44,048 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:54:44,053 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:54:44,055 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:54:44,056 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:54:44,104 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:44,104 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:44,104 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:44,219 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:44,529 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:54:44,532 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:54:44,532 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:54:44,534 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:54:44,549 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:54:44,549 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:54:44,553 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:54:44,707 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:54:44,707 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:54:44,707 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:54:44,708 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:54:44,709 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:54:44,721 INFO ]: With dead ends: 13 [2018-06-22 16:54:44,721 INFO ]: Without dead ends: 13 [2018-06-22 16:54:44,726 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 [2018-06-22 16:54:44,742 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:54:44,767 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:54:44,768 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:54:44,769 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:54:44,770 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:54:44,770 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:54:44,770 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:54:44,770 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:54:44,770 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:54:44,772 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:54:44,772 INFO ]: Found error trace [2018-06-22 16:54:44,772 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:54:44,772 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:54:44,772 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:54:44,772 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:54:44,772 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:54:44,773 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:44,773 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:44,773 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:44,886 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:46,310 WARN ]: Spent 1.05 s on a formula simplification. DAG size of input: 142 DAG size of output: 74 [2018-06-22 16:54:46,358 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:54:46,359 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:54:46,359 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:54:46,366 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:46,541 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:46,556 INFO ]: Computing forward predicates... [2018-06-22 16:54:48,103 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:54:48,233 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:54:51,112 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:54:51,236 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:54:51,330 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:54:54,308 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 16:54:54,362 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 16:54:54,439 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 16:55:03,494 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 16:55:03,593 WARN ]: Simplifying disjunction of 18144 conjuctions. This might take some time... [2018-06-22 16:55:48,171 INFO ]: Simplified to disjunction of 18144 conjuctions. [2018-06-22 16:55:48,274 WARN ]: expecting exponential blowup for input size 17 [2018-06-22 16:55:48,576 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:56:02,425 INFO ]: Timeout while computing interpolants [2018-06-22 16:56:02,626 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:56:02,626 WARN ]: Verification canceled [2018-06-22 16:56:02,631 WARN ]: Timeout [2018-06-22 16:56:02,631 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:56:02 BoogieIcfgContainer [2018-06-22 16:56:02,631 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:56:02,632 INFO ]: Toolchain (without parser) took 79459.84 ms. Allocated memory was 309.3 MB in the beginning and 444.6 MB in the end (delta: 135.3 MB). Free memory was 232.8 MB in the beginning and 264.1 MB in the end (delta: -31.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:02,633 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. [2018-06-22 16:56:02,633 INFO ]: ChcToBoogie took 64.68 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 229.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:02,634 INFO ]: Boogie Preprocessor took 99.20 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:02,637 INFO ]: RCFGBuilder took 592.01 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 227.8 MB in the beginning and 288.6 MB in the end (delta: -60.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:02,637 INFO ]: TraceAbstraction took 78693.59 ms. Allocated memory was 325.6 MB in the beginning and 444.6 MB in the end (delta: 119.0 MB). Free memory was 288.6 MB in the beginning and 264.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 233.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:56:02,648 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 64.68 ms. Allocated memory is still 309.3 MB. Free memory was 232.8 MB in the beginning and 229.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.20 ms. Allocated memory is still 309.3 MB. Free memory was 229.8 MB in the beginning and 227.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 592.01 ms. Allocated memory was 309.3 MB in the beginning and 325.6 MB in the end (delta: 16.3 MB). Free memory was 227.8 MB in the beginning and 288.6 MB in the end (delta: -60.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78693.59 ms. Allocated memory was 325.6 MB in the beginning and 444.6 MB in the end (delta: 119.0 MB). Free memory was 288.6 MB in the beginning and 264.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 233.9 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 20736 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 78.6s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017_e8_4841.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-56-02-661.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017_e8_4841.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-56-02-661.csv Completed graceful shutdown