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_9_e7_1843.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:05:53,170 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:05:53,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:05:53,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:05:53,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:05:53,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:05:53,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:05:53,195 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:05:53,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:05:53,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:05:53,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:05:53,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:05:53,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:05:53,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:05:53,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:05:53,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:05:53,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:05:53,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:05:53,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:05:53,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:05:53,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:05:53,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:05:53,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:05:53,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:05:53,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:05:53,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:05:53,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:05:53,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:05:53,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:05:53,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:05:53,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:05:53,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:05:53,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:05:53,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:05:53,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:05:53,236 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 17:05:53,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:05:53,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:05:53,261 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:05:53,262 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:05:53,263 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:05:53,263 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:05:53,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:05:53,264 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:05:53,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:05:53,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:05:53,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:05:53,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:05:53,265 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:05:53,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:05:53,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:05:53,265 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:05:53,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:05:53,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:05:53,266 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:05:53,268 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:05:53,268 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:05:53,321 INFO ]: Repository-Root is: /tmp [2018-06-22 17:05:53,334 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:05:53,340 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:05:53,342 INFO ]: Initializing SmtParser... [2018-06-22 17:05:53,342 INFO ]: SmtParser initialized [2018-06-22 17:05:53,343 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843.smt2 [2018-06-22 17:05:53,344 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 17:05:53,429 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843.smt2 unknown [2018-06-22 17:05:54,087 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843.smt2 [2018-06-22 17:05:54,091 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:05:54,096 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:05:54,097 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:05:54,097 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:05:54,097 INFO ]: ChcToBoogie initialized [2018-06-22 17:05:54,103 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,187 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54 Unit [2018-06-22 17:05:54,187 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:05:54,187 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:05:54,187 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:05:54,187 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:05:54,208 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,209 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,235 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,235 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,256 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,257 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,270 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (1/1) ... [2018-06-22 17:05:54,276 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:05:54,276 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:05:54,276 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:05:54,276 INFO ]: RCFGBuilder initialized [2018-06-22 17:05:54,277 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (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 17:05:54,299 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:05:54,299 INFO ]: Found specification of procedure False [2018-06-22 17:05:54,299 INFO ]: Found implementation of procedure False [2018-06-22 17:05:54,299 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:05:54,299 INFO ]: Found specification of procedure state [2018-06-22 17:05:54,299 INFO ]: Found implementation of procedure state [2018-06-22 17:05:54,299 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:05:54,299 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:05:54,299 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 17:05:54,805 INFO ]: Using library mode [2018-06-22 17:05:54,806 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:05:54 BoogieIcfgContainer [2018-06-22 17:05:54,806 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:05:54,807 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:05:54,807 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:05:54,811 INFO ]: TraceAbstraction initialized [2018-06-22 17:05:54,811 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:05:54" (1/3) ... [2018-06-22 17:05:54,812 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6d1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:05:54, skipping insertion in model container [2018-06-22 17:05:54,812 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:05:54" (2/3) ... [2018-06-22 17:05:54,812 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a6d1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:05:54, skipping insertion in model container [2018-06-22 17:05:54,812 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:05:54" (3/3) ... [2018-06-22 17:05:54,814 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:05:54,824 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:05:54,832 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:05:54,882 INFO ]: Using default assertion order modulation [2018-06-22 17:05:54,883 INFO ]: Interprodecural is true [2018-06-22 17:05:54,883 INFO ]: Hoare is false [2018-06-22 17:05:54,883 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:05:54,883 INFO ]: Backedges is TWOTRACK [2018-06-22 17:05:54,883 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:05:54,883 INFO ]: Difference is false [2018-06-22 17:05:54,883 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:05:54,883 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:05:54,899 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:05:54,912 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:05:54,912 INFO ]: Found error trace [2018-06-22 17:05:54,913 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:05:54,913 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:05:54,919 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:05:54,921 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:05:54,921 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:05:54,970 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:05:54,970 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:05:54,970 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:05:55,114 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:05:55,303 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:05:55,306 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:05:55,306 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:05:55,307 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:05:55,317 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:05:55,318 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:05:55,320 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:05:55,472 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:05:55,473 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:05:55,474 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:05:55,475 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:05:55,476 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:05:55,491 INFO ]: With dead ends: 13 [2018-06-22 17:05:55,491 INFO ]: Without dead ends: 13 [2018-06-22 17:05:55,493 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:05:55,511 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:05:55,547 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:05:55,548 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:05:55,548 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:05:55,550 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:05:55,550 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:05:55,550 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:05:55,550 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:05:55,550 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:05:55,551 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:05:55,551 INFO ]: Found error trace [2018-06-22 17:05:55,552 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:05:55,552 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:05:55,552 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:05:55,552 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:05:55,552 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:05:55,554 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:05:55,554 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:05:55,554 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:05:55,700 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:05:57,250 WARN ]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 49 [2018-06-22 17:05:57,297 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:05:57,297 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:05:57,297 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 17:05:57,305 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:05:57,475 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:05:57,488 INFO ]: Computing forward predicates... [2018-06-22 17:06:01,968 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:02,184 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:02,208 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:02,274 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:06:02,293 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:02,322 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:06:02,338 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 17:06:04,227 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:04,235 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:04,329 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:04,356 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:04,372 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:06:06,130 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:06,254 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:06,284 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:06,286 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:06,288 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:06,289 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:06,295 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:06,300 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:06,312 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:06,313 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:06,315 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:06,860 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:06:07,032 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:07,118 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:07,120 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:07,124 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:07,137 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:07,141 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:07,166 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:07,167 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:07,169 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:08,143 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:08,144 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:08,145 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 17:06:08,147 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:08,153 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:06:08,364 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 17:06:08,478 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 17:06:11,512 WARN ]: Simplifying disjunction of 363744 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:07:07,062 INFO ]: Timeout while computing interpolants [2018-06-22 17:07:07,263 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:07:07,263 WARN ]: Verification canceled [2018-06-22 17:07:07,268 WARN ]: Timeout [2018-06-22 17:07:07,269 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:07:07 BoogieIcfgContainer [2018-06-22 17:07:07,269 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:07:07,270 INFO ]: Toolchain (without parser) took 73178.15 ms. Allocated memory was 306.2 MB in the beginning and 1.0 GB in the end (delta: 717.2 MB). Free memory was 227.6 MB in the beginning and 441.8 MB in the end (delta: -214.2 MB). Peak memory consumption was 678.9 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:07,270 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:07:07,273 INFO ]: ChcToBoogie took 90.36 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 224.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:07,273 INFO ]: Boogie Preprocessor took 88.33 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:07,274 INFO ]: RCFGBuilder took 529.70 ms. Allocated memory was 306.2 MB in the beginning and 329.8 MB in the end (delta: 23.6 MB). Free memory was 222.6 MB in the beginning and 292.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:07,274 INFO ]: TraceAbstraction took 72461.69 ms. Allocated memory was 329.8 MB in the beginning and 1.0 GB in the end (delta: 693.6 MB). Free memory was 292.4 MB in the beginning and 441.8 MB in the end (delta: -149.3 MB). Peak memory consumption was 720.1 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:07,287 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.36 ms. Allocated memory is still 306.2 MB. Free memory was 227.6 MB in the beginning and 224.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 88.33 ms. Allocated memory is still 306.2 MB. Free memory was 224.6 MB in the beginning and 222.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 529.70 ms. Allocated memory was 306.2 MB in the beginning and 329.8 MB in the end (delta: 23.6 MB). Free memory was 222.6 MB in the beginning and 292.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72461.69 ms. Allocated memory was 329.8 MB in the beginning and 1.0 GB in the end (delta: 693.6 MB). Free memory was 292.4 MB in the beginning and 441.8 MB in the end (delta: -149.3 MB). Peak memory consumption was 720.1 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 363744 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 72.3s 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-07-07-297.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-07-07-297.csv Completed graceful shutdown