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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e3_1503_e7_1879.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:01:26,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:01:26,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:01:26,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:01:26,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:01:26,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:01:26,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:01:26,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:01:26,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:01:26,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:01:26,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:01:26,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:01:26,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:01:26,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:01:26,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:01:26,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:01:26,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:01:26,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:01:26,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:01:26,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:01:26,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:01:26,337 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:01:26,337 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:01:26,337 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:01:26,338 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:01:26,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:01:26,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:01:26,341 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:01:26,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:01:26,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:01:26,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:01:26,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:01:26,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:01:26,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:01:26,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:01:26,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:01:26,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:01:26,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:01:26,362 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:01:26,362 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:01:26,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:01:26,364 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:01:26,364 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:01:26,364 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:01:26,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:01:26,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:01:26,365 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:01:26,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:01:26,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:01:26,366 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:01:26,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:01:26,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:01:26,366 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:01:26,368 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:01:26,368 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:01:26,417 INFO ]: Repository-Root is: /tmp [2018-06-22 07:01:26,436 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:01:26,442 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:01:26,444 INFO ]: Initializing SmtParser... [2018-06-22 07:01:26,444 INFO ]: SmtParser initialized [2018-06-22 07:01:26,445 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e3_1503_e7_1879.smt2 [2018-06-22 07:01:26,446 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 07:01:26,546 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e3_1503_e7_1879.smt2 unknown [2018-06-22 07:01:27,303 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e3_1503_e7_1879.smt2 [2018-06-22 07:01:27,308 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:01:27,316 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:01:27,316 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:01:27,316 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:01:27,317 INFO ]: ChcToBoogie initialized [2018-06-22 07:01:27,320 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,429 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27 Unit [2018-06-22 07:01:27,430 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:01:27,430 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:01:27,430 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:01:27,430 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:01:27,449 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,449 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,463 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,463 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,482 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,484 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,496 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (1/1) ... [2018-06-22 07:01:27,502 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:01:27,503 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:01:27,503 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:01:27,503 INFO ]: RCFGBuilder initialized [2018-06-22 07:01:27,504 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (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 07:01:27,525 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:01:27,525 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:01:27,525 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:01:27,525 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:01:27,525 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:01:27,525 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 07:01:28,099 INFO ]: Using library mode [2018-06-22 07:01:28,102 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:01:28 BoogieIcfgContainer [2018-06-22 07:01:28,102 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:01:28,104 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:01:28,104 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:01:28,112 INFO ]: TraceAbstraction initialized [2018-06-22 07:01:28,112 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:01:27" (1/3) ... [2018-06-22 07:01:28,113 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be2b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:01:28, skipping insertion in model container [2018-06-22 07:01:28,113 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:01:27" (2/3) ... [2018-06-22 07:01:28,113 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be2b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:01:28, skipping insertion in model container [2018-06-22 07:01:28,114 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:01:28" (3/3) ... [2018-06-22 07:01:28,115 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:01:28,129 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:01:28,139 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:01:28,199 INFO ]: Using default assertion order modulation [2018-06-22 07:01:28,200 INFO ]: Interprodecural is true [2018-06-22 07:01:28,200 INFO ]: Hoare is false [2018-06-22 07:01:28,200 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:01:28,200 INFO ]: Backedges is TWOTRACK [2018-06-22 07:01:28,200 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:01:28,200 INFO ]: Difference is false [2018-06-22 07:01:28,200 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:01:28,200 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:01:28,225 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:01:28,241 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:01:28,241 INFO ]: Found error trace [2018-06-22 07:01:28,242 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:01:28,242 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:01:28,248 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 07:01:28,251 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:01:28,251 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:01:28,307 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:01:28,307 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:01:28,307 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:01:28,505 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:01:28,700 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:01:28,703 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:01:28,703 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:01:28,707 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:01:28,724 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:01:28,725 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:01:28,727 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:01:28,848 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:01:28,848 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:01:28,851 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:01:28,852 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:01:28,852 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:01:28,864 INFO ]: With dead ends: 9 [2018-06-22 07:01:28,864 INFO ]: Without dead ends: 9 [2018-06-22 07:01:28,866 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 [2018-06-22 07:01:28,885 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:01:28,918 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:01:28,923 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:01:28,924 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:01:28,925 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:01:28,925 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:01:28,925 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:01:28,925 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:01:28,925 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:01:28,926 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:01:28,926 INFO ]: Found error trace [2018-06-22 07:01:28,926 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:01:28,926 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:01:28,927 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 07:01:28,927 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:01:28,927 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:01:28,928 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:01:28,928 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:01:28,928 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:01:29,081 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:01:29,490 WARN ]: Spent 189.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-06-22 07:01:29,492 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:01:29,492 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:01:29,492 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 07:01:29,501 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:01:29,755 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:01:29,773 INFO ]: Computing forward predicates... [2018-06-22 07:01:30,679 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:01:30,757 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:01:31,012 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:01:38,935 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:01:39,018 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:01:39,275 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:01:39,353 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:01:39,501 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:01:51,228 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:01:51,253 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:01:51,332 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:01:58,800 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:01:58,830 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:02:03,566 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:02:03,572 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:02:03,574 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:02:04,434 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:02:04,456 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:02:04,703 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:02:04,765 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:02:18,772 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:02:18,796 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:02:18,798 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:02:18,850 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:02:31,529 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:02:31,555 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:02:31,561 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:02:31,783 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 07:02:43,460 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 07:02:43,489 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:02:44,956 WARN ]: Simplifying disjunction of 8694 conjuctions. This might take some time... Received shutdown request... [2018-06-22 07:02:46,715 INFO ]: Timeout while computing interpolants [2018-06-22 07:02:46,916 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:02:46,916 WARN ]: Verification canceled [2018-06-22 07:02:46,924 WARN ]: Timeout [2018-06-22 07:02:46,924 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:02:46 BoogieIcfgContainer [2018-06-22 07:02:46,924 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:02:46,925 INFO ]: Toolchain (without parser) took 79617.21 ms. Allocated memory was 305.7 MB in the beginning and 438.3 MB in the end (delta: 132.6 MB). Free memory was 228.1 MB in the beginning and 270.1 MB in the end (delta: -42.0 MB). Peak memory consumption was 194.4 MB. Max. memory is 3.6 GB. [2018-06-22 07:02:46,926 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 305.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:02:46,927 INFO ]: ChcToBoogie took 113.65 ms. Allocated memory is still 305.7 MB. Free memory was 228.1 MB in the beginning and 224.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:02:46,927 INFO ]: Boogie Preprocessor took 72.02 ms. Allocated memory is still 305.7 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:02:46,928 INFO ]: RCFGBuilder took 599.29 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 222.2 MB in the beginning and 275.2 MB in the end (delta: -53.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 3.6 GB. [2018-06-22 07:02:46,928 INFO ]: TraceAbstraction took 78820.53 ms. Allocated memory was 324.5 MB in the beginning and 438.3 MB in the end (delta: 113.8 MB). Free memory was 275.2 MB in the beginning and 270.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 222.6 MB. Max. memory is 3.6 GB. [2018-06-22 07:02:46,931 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 305.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 113.65 ms. Allocated memory is still 305.7 MB. Free memory was 228.1 MB in the beginning and 224.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.02 ms. Allocated memory is still 305.7 MB. Free memory was 224.2 MB in the beginning and 222.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 599.29 ms. Allocated memory was 305.7 MB in the beginning and 324.5 MB in the end (delta: 18.9 MB). Free memory was 222.2 MB in the beginning and 275.2 MB in the end (delta: -53.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78820.53 ms. Allocated memory was 324.5 MB in the beginning and 438.3 MB in the end (delta: 113.8 MB). Free memory was 275.2 MB in the beginning and 270.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 222.6 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 8694 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 78.7s 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/DRAGON_5_e3_1503_e7_1879.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-02-46-958.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e3_1503_e7_1879.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-02-46-958.csv Completed graceful shutdown