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_12_e2_1618_e2_138.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:22:07,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:22:07,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:22:07,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:22:07,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:22:07,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:22:07,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:22:07,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:22:07,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:22:07,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:22:07,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:22:07,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:22:07,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:22:07,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:22:07,244 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:22:07,245 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:22:07,247 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:22:07,248 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:22:07,250 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:22:07,251 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:22:07,252 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:22:07,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:22:07,255 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:22:07,255 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:22:07,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:22:07,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:22:07,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:22:07,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:22:07,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:22:07,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:22:07,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:22:07,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:22:07,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:22:07,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:22:07,263 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:22:07,263 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 16:22:07,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:22:07,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:22:07,288 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:22:07,288 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:22:07,289 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:22:07,290 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:22:07,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:22:07,290 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:22:07,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:22:07,291 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:22:07,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:22:07,291 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:22:07,291 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:22:07,291 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:22:07,292 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:22:07,293 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:22:07,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:22:07,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:22:07,294 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:22:07,295 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:22:07,296 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:22:07,348 INFO ]: Repository-Root is: /tmp [2018-06-22 16:22:07,366 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:22:07,371 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:22:07,372 INFO ]: Initializing SmtParser... [2018-06-22 16:22:07,373 INFO ]: SmtParser initialized [2018-06-22 16:22:07,373 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-22 16:22:07,375 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 16:22:07,470 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 unknown [2018-06-22 16:22:08,345 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_12_e2_1618_e2_138.smt2 [2018-06-22 16:22:08,349 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:22:08,365 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:22:08,365 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:22:08,365 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:22:08,365 INFO ]: ChcToBoogie initialized [2018-06-22 16:22:08,369 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,491 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08 Unit [2018-06-22 16:22:08,491 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:22:08,492 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:22:08,492 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:22:08,492 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:22:08,509 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,509 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,522 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,522 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,535 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,577 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,588 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (1/1) ... [2018-06-22 16:22:08,598 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:22:08,599 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:22:08,599 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:22:08,599 INFO ]: RCFGBuilder initialized [2018-06-22 16:22:08,600 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (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 16:22:08,615 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:22:08,615 INFO ]: Found specification of procedure False [2018-06-22 16:22:08,616 INFO ]: Found implementation of procedure False [2018-06-22 16:22:08,616 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:22:08,616 INFO ]: Found specification of procedure state [2018-06-22 16:22:08,616 INFO ]: Found implementation of procedure state [2018-06-22 16:22:08,616 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:22:08,616 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:22:08,616 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 16:22:09,168 INFO ]: Using library mode [2018-06-22 16:22:09,168 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:09 BoogieIcfgContainer [2018-06-22 16:22:09,168 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:22:09,169 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:22:09,169 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:22:09,173 INFO ]: TraceAbstraction initialized [2018-06-22 16:22:09,173 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:22:08" (1/3) ... [2018-06-22 16:22:09,174 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c0f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:22:09, skipping insertion in model container [2018-06-22 16:22:09,174 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:22:08" (2/3) ... [2018-06-22 16:22:09,174 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c0f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:22:09, skipping insertion in model container [2018-06-22 16:22:09,174 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:09" (3/3) ... [2018-06-22 16:22:09,177 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:22:09,187 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:22:09,197 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:22:09,245 INFO ]: Using default assertion order modulation [2018-06-22 16:22:09,250 INFO ]: Interprodecural is true [2018-06-22 16:22:09,250 INFO ]: Hoare is false [2018-06-22 16:22:09,251 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:22:09,251 INFO ]: Backedges is TWOTRACK [2018-06-22 16:22:09,251 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:22:09,251 INFO ]: Difference is false [2018-06-22 16:22:09,251 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:22:09,251 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:22:09,272 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:22:09,286 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:22:09,286 INFO ]: Found error trace [2018-06-22 16:22:09,287 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:22:09,287 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:22:09,293 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:22:09,295 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:22:09,296 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:22:09,345 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:22:09,345 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:22:09,345 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:22:09,491 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:22:09,788 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:22:09,790 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:22:09,790 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:22:09,792 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:22:09,804 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:22:09,805 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:22:09,807 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:22:09,977 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:22:09,977 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:22:09,978 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:22:09,979 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:22:09,980 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:22:09,994 INFO ]: With dead ends: 13 [2018-06-22 16:22:09,994 INFO ]: Without dead ends: 13 [2018-06-22 16:22:09,996 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 16:22:10,014 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:22:10,052 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:22:10,054 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:22:10,055 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:22:10,056 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:22:10,056 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:22:10,056 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:22:10,056 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:22:10,057 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:22:10,058 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:22:10,058 INFO ]: Found error trace [2018-06-22 16:22:10,058 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:22:10,058 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:22:10,059 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:22:10,059 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:22:10,059 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:22:10,059 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:22:10,059 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:22:10,059 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:22:10,194 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:22:11,388 WARN ]: Spent 859.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 64 [2018-06-22 16:22:11,456 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:22:11,456 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:22:11,456 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 16:22:11,464 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:22:11,641 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:22:11,657 INFO ]: Computing forward predicates... [2018-06-22 16:22:12,010 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 16:22:12,645 WARN ]: Simplifying disjunction of 17496 conjuctions. This might take some time... [2018-06-22 16:23:04,536 INFO ]: Simplified to disjunction of 17496 conjuctions. [2018-06-22 16:23:04,812 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 16:23:09,389 WARN ]: Simplifying disjunction of 314928 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:23:24,651 INFO ]: Timeout while computing interpolants [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Forcibly destroying the process [2018-06-22 16:23:24,875 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:23:24,875 WARN ]: Verification canceled [2018-06-22 16:23:25,157 WARN ]: Timeout [2018-06-22 16:23:25,163 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:23:25 BoogieIcfgContainer [2018-06-22 16:23:25,163 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:23:25,278 INFO ]: Toolchain (without parser) took 76927.64 ms. Allocated memory was 303.6 MB in the beginning and 1.2 GB in the end (delta: 861.9 MB). Free memory was 226.1 MB in the beginning and 805.9 MB in the end (delta: -579.7 MB). Peak memory consumption was 664.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:23:25,279 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:23:25,279 INFO ]: ChcToBoogie took 126.40 ms. Allocated memory is still 303.6 MB. Free memory was 226.1 MB in the beginning and 223.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:23:25,280 INFO ]: Boogie Preprocessor took 106.51 ms. Allocated memory is still 303.6 MB. Free memory was 223.1 MB in the beginning and 220.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:23:25,288 INFO ]: RCFGBuilder took 569.15 ms. Allocated memory was 303.6 MB in the beginning and 322.4 MB in the end (delta: 18.9 MB). Free memory was 220.1 MB in the beginning and 285.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:23:25,289 INFO ]: TraceAbstraction took 75993.84 ms. Allocated memory was 322.4 MB in the beginning and 1.2 GB in the end (delta: 843.1 MB). Free memory was 285.1 MB in the beginning and 805.9 MB in the end (delta: -520.8 MB). Peak memory consumption was 704.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:23:25,293 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 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 126.40 ms. Allocated memory is still 303.6 MB. Free memory was 226.1 MB in the beginning and 223.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 106.51 ms. Allocated memory is still 303.6 MB. Free memory was 223.1 MB in the beginning and 220.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 569.15 ms. Allocated memory was 303.6 MB in the beginning and 322.4 MB in the end (delta: 18.9 MB). Free memory was 220.1 MB in the beginning and 285.1 MB in the end (delta: -65.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75993.84 ms. Allocated memory was 322.4 MB in the beginning and 1.2 GB in the end (delta: 843.1 MB). Free memory was 285.1 MB in the beginning and 805.9 MB in the end (delta: -520.8 MB). Peak memory consumption was 704.1 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 314928 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 75.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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_12_e2_1618_e2_138.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-23-25-435.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_12_e2_1618_e2_138.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-23-25-435.csv Completed graceful shutdown