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_e7_2326.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:54:11,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:54:11,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:54:11,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:54:11,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:54:11,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:54:11,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:54:11,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:54:11,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:54:11,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:54:11,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:54:11,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:54:11,442 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:54:11,443 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:54:11,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:54:11,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:54:11,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:54:11,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:54:11,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:54:11,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:54:11,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:54:11,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:54:11,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:54:11,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:54:11,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:54:11,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:54:11,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:54:11,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:54:11,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:54:11,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:54:11,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:54:11,475 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:54:11,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:54:11,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:54:11,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:54:11,482 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 16:54:11,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:54:11,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:54:11,498 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:54:11,498 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:54:11,499 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:54:11,499 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:54:11,499 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:54:11,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:54:11,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:54:11,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:54:11,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:54:11,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:54:11,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:54:11,502 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:54:11,503 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:54:11,503 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:54:11,553 INFO ]: Repository-Root is: /tmp [2018-06-22 16:54:11,570 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:54:11,577 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:54:11,578 INFO ]: Initializing SmtParser... [2018-06-22 16:54:11,579 INFO ]: SmtParser initialized [2018-06-22 16:54:11,579 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 [2018-06-22 16:54:11,581 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 16:54:11,671 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 unknown [2018-06-22 16:54:12,322 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_5_e7_2017_e7_2326.smt2 [2018-06-22 16:54:12,327 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:54:12,342 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:54:12,343 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:54:12,343 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:54:12,343 INFO ]: ChcToBoogie initialized [2018-06-22 16:54:12,346 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,436 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12 Unit [2018-06-22 16:54:12,436 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:54:12,437 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:54:12,437 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:54:12,437 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:54:12,460 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,460 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,490 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,490 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,506 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,507 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,517 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (1/1) ... [2018-06-22 16:54:12,523 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:54:12,524 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:54:12,524 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:54:12,524 INFO ]: RCFGBuilder initialized [2018-06-22 16:54:12,525 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:54:12,536 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:54:12,536 INFO ]: Found specification of procedure False [2018-06-22 16:54:12,536 INFO ]: Found implementation of procedure False [2018-06-22 16:54:12,536 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:54:12,536 INFO ]: Found specification of procedure state [2018-06-22 16:54:12,536 INFO ]: Found implementation of procedure state [2018-06-22 16:54:12,536 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:54:12,536 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:54:12,536 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:54:13,089 INFO ]: Using library mode [2018-06-22 16:54:13,089 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:54:13 BoogieIcfgContainer [2018-06-22 16:54:13,090 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:54:13,091 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:54:13,091 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:54:13,097 INFO ]: TraceAbstraction initialized [2018-06-22 16:54:13,097 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:54:12" (1/3) ... [2018-06-22 16:54:13,098 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 04:54:13, skipping insertion in model container [2018-06-22 16:54:13,098 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:54:12" (2/3) ... [2018-06-22 16:54:13,098 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 04:54:13, skipping insertion in model container [2018-06-22 16:54:13,099 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:54:13" (3/3) ... [2018-06-22 16:54:13,100 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:54:13,111 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:54:13,122 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:54:13,176 INFO ]: Using default assertion order modulation [2018-06-22 16:54:13,177 INFO ]: Interprodecural is true [2018-06-22 16:54:13,177 INFO ]: Hoare is false [2018-06-22 16:54:13,177 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:54:13,177 INFO ]: Backedges is TWOTRACK [2018-06-22 16:54:13,177 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:54:13,177 INFO ]: Difference is false [2018-06-22 16:54:13,177 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:54:13,177 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:54:13,196 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:54:13,215 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:54:13,215 INFO ]: Found error trace [2018-06-22 16:54:13,216 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:54:13,216 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:54:13,223 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:54:13,225 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:54:13,226 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:54:13,274 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:13,274 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:13,274 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:13,411 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:13,746 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:54:13,749 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:54:13,749 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:54:13,750 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:54:13,765 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:54:13,765 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:54:13,768 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:54:13,920 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:54:13,920 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:54:13,922 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:54:13,923 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:54:13,924 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:54:13,939 INFO ]: With dead ends: 13 [2018-06-22 16:54:13,940 INFO ]: Without dead ends: 13 [2018-06-22 16:54:13,942 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:54:13,960 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:54:13,998 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:54:14,000 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:54:14,000 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:54:14,002 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:54:14,002 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:54:14,002 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:54:14,002 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:54:14,002 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:54:14,004 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:54:14,004 INFO ]: Found error trace [2018-06-22 16:54:14,004 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:54:14,004 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:54:14,004 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:54:14,004 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:54:14,004 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:54:14,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:14,006 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:14,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:54:14,166 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:15,275 WARN ]: Spent 803.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 59 [2018-06-22 16:54:15,455 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:54:15,455 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:54:15,455 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 16:54:15,462 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:54:15,658 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:54:15,673 INFO ]: Computing forward predicates... [2018-06-22 16:54:16,760 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:54:16,827 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:54:17,950 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:54:18,170 WARN ]: Simplifying disjunction of 13824 conjuctions. This might take some time... [2018-06-22 16:54:58,778 INFO ]: Simplified to disjunction of 13824 conjuctions. [2018-06-22 16:54:58,845 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 16:54:58,914 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:54:58,948 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:54:59,339 WARN ]: Simplifying disjunction of 13824 conjuctions. This might take some time... [2018-06-22 16:55:27,186 INFO ]: Simplified to disjunction of 13824 conjuctions. [2018-06-22 16:55:27,251 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:55:27,285 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:55:27,290 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:55:27,317 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:55:30,066 INFO ]: Timeout while computing interpolants [2018-06-22 16:55:30,267 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:55:30,267 WARN ]: Verification canceled [2018-06-22 16:55:30,271 WARN ]: Timeout [2018-06-22 16:55:30,271 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:55:30 BoogieIcfgContainer [2018-06-22 16:55:30,271 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:55:30,272 INFO ]: Toolchain (without parser) took 77944.73 ms. Allocated memory was 303.0 MB in the beginning and 435.7 MB in the end (delta: 132.6 MB). Free memory was 224.4 MB in the beginning and 270.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 151.7 MB. Max. memory is 3.6 GB. [2018-06-22 16:55:30,273 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:55:30,273 INFO ]: ChcToBoogie took 94.18 ms. Allocated memory is still 303.0 MB. Free memory was 224.4 MB in the beginning and 221.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:55:30,274 INFO ]: Boogie Preprocessor took 86.20 ms. Allocated memory is still 303.0 MB. Free memory was 221.5 MB in the beginning and 218.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:55:30,274 INFO ]: RCFGBuilder took 565.87 ms. Allocated memory was 303.0 MB in the beginning and 323.0 MB in the end (delta: 19.9 MB). Free memory was 218.4 MB in the beginning and 282.9 MB in the end (delta: -64.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:55:30,284 INFO ]: TraceAbstraction took 77180.29 ms. Allocated memory was 323.0 MB in the beginning and 435.7 MB in the end (delta: 112.7 MB). Free memory was 282.9 MB in the beginning and 270.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 190.3 MB. Max. memory is 3.6 GB. [2018-06-22 16:55:30,286 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.18 ms. Allocated memory is still 303.0 MB. Free memory was 224.4 MB in the beginning and 221.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 86.20 ms. Allocated memory is still 303.0 MB. Free memory was 221.5 MB in the beginning and 218.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 565.87 ms. Allocated memory was 303.0 MB in the beginning and 323.0 MB in the end (delta: 19.9 MB). Free memory was 218.4 MB in the beginning and 282.9 MB in the end (delta: -64.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77180.29 ms. Allocated memory was 323.0 MB in the beginning and 435.7 MB in the end (delta: 112.7 MB). Free memory was 282.9 MB in the beginning and 270.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 190.3 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 6912 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.1s 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, 0.2s 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, 0.3s 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_e7_2326.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-55-30-306.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_5_e7_2017_e7_2326.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-55-30-306.csv Completed graceful shutdown