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_4_e7_2329_e8_3915.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:49:37,200 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:49:37,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:49:37,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:49:37,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:49:37,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:49:37,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:49:37,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:49:37,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:49:37,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:49:37,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:49:37,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:49:37,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:49:37,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:49:37,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:49:37,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:49:37,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:49:37,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:49:37,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:49:37,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:49:37,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:49:37,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:49:37,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:49:37,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:49:37,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:49:37,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:49:37,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:49:37,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:49:37,243 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:49:37,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:49:37,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:49:37,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:49:37,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:49:37,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:49:37,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:49:37,246 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 16:49:37,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:49:37,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:49:37,260 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:49:37,261 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:49:37,261 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:49:37,262 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:49:37,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:49:37,262 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:49:37,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:49:37,262 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:49:37,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:49:37,263 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:49:37,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:49:37,265 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:49:37,266 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:49:37,266 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:49:37,308 INFO ]: Repository-Root is: /tmp [2018-06-22 16:49:37,328 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:49:37,334 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:49:37,336 INFO ]: Initializing SmtParser... [2018-06-22 16:49:37,336 INFO ]: SmtParser initialized [2018-06-22 16:49:37,337 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 [2018-06-22 16:49:37,339 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 16:49:37,433 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 unknown [2018-06-22 16:49:38,149 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e7_2329_e8_3915.smt2 [2018-06-22 16:49:38,160 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:49:38,166 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:49:38,166 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:49:38,166 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:49:38,166 INFO ]: ChcToBoogie initialized [2018-06-22 16:49:38,170 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,265 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38 Unit [2018-06-22 16:49:38,266 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:49:38,266 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:49:38,266 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:49:38,266 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:49:38,285 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,285 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,297 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,297 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,315 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,316 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,321 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (1/1) ... [2018-06-22 16:49:38,333 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:49:38,333 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:49:38,333 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:49:38,333 INFO ]: RCFGBuilder initialized [2018-06-22 16:49:38,334 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (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 16:49:38,351 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:49:38,351 INFO ]: Found specification of procedure False [2018-06-22 16:49:38,352 INFO ]: Found implementation of procedure False [2018-06-22 16:49:38,352 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:49:38,352 INFO ]: Found specification of procedure state [2018-06-22 16:49:38,352 INFO ]: Found implementation of procedure state [2018-06-22 16:49:38,352 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:49:38,352 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:49:38,352 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 16:49:38,818 INFO ]: Using library mode [2018-06-22 16:49:38,819 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:49:38 BoogieIcfgContainer [2018-06-22 16:49:38,819 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:49:38,820 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:49:38,820 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:49:38,828 INFO ]: TraceAbstraction initialized [2018-06-22 16:49:38,828 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:49:38" (1/3) ... [2018-06-22 16:49:38,829 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:49:38, skipping insertion in model container [2018-06-22 16:49:38,829 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:49:38" (2/3) ... [2018-06-22 16:49:38,829 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:49:38, skipping insertion in model container [2018-06-22 16:49:38,829 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:49:38" (3/3) ... [2018-06-22 16:49:38,832 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:49:38,843 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:49:38,851 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:49:38,890 INFO ]: Using default assertion order modulation [2018-06-22 16:49:38,890 INFO ]: Interprodecural is true [2018-06-22 16:49:38,890 INFO ]: Hoare is false [2018-06-22 16:49:38,890 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:49:38,890 INFO ]: Backedges is TWOTRACK [2018-06-22 16:49:38,890 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:49:38,890 INFO ]: Difference is false [2018-06-22 16:49:38,890 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:49:38,890 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:49:38,904 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:49:38,917 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:49:38,917 INFO ]: Found error trace [2018-06-22 16:49:38,918 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:49:38,918 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:49:38,925 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:49:38,927 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:49:38,927 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:49:38,967 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:38,967 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:38,967 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:39,075 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:39,296 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:49:39,299 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:49:39,299 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:49:39,301 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:49:39,316 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:49:39,317 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:49:39,321 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:49:39,492 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:49:39,492 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:49:39,494 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:49:39,495 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:49:39,495 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:49:39,507 INFO ]: With dead ends: 13 [2018-06-22 16:49:39,508 INFO ]: Without dead ends: 13 [2018-06-22 16:49:39,509 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 16:49:39,530 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:49:39,571 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:49:39,572 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:49:39,573 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:49:39,575 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:49:39,575 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:49:39,575 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:49:39,575 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:49:39,576 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:49:39,577 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:49:39,577 INFO ]: Found error trace [2018-06-22 16:49:39,577 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:49:39,577 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:49:39,578 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:49:39,578 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:49:39,578 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:49:39,579 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:39,579 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:39,579 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:49:39,739 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:40,947 WARN ]: Spent 884.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 54 [2018-06-22 16:49:41,152 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:49:41,152 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:49:41,152 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 16:49:41,163 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:49:41,329 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:49:41,344 INFO ]: Computing forward predicates... [2018-06-22 16:49:43,700 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:49:44,461 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:49:44,971 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 16:49:45,623 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-22 16:50:31,452 INFO ]: Timeout while computing interpolants [2018-06-22 16:50:31,653 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:50:31,653 WARN ]: Verification canceled [2018-06-22 16:50:31,657 WARN ]: Timeout [2018-06-22 16:50:31,658 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:50:31 BoogieIcfgContainer [2018-06-22 16:50:31,658 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:50:31,658 INFO ]: Toolchain (without parser) took 53497.64 ms. Allocated memory was 309.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 231.9 MB in the beginning and 1.2 GB in the end (delta: -963.3 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:50:31,659 INFO ]: SmtParser took 0.56 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:50:31,660 INFO ]: ChcToBoogie took 99.64 ms. Allocated memory is still 309.3 MB. Free memory was 231.9 MB in the beginning and 229.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:31,660 INFO ]: Boogie Preprocessor took 66.46 ms. Allocated memory is still 309.3 MB. Free memory was 229.9 MB in the beginning and 227.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:31,661 INFO ]: RCFGBuilder took 485.48 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 227.9 MB in the beginning and 288.0 MB in the end (delta: -60.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:50:31,669 INFO ]: TraceAbstraction took 52837.38 ms. Allocated memory was 326.1 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 285.8 MB in the beginning and 1.2 GB in the end (delta: -909.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 16:50:31,672 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.56 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 99.64 ms. Allocated memory is still 309.3 MB. Free memory was 231.9 MB in the beginning and 229.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 66.46 ms. Allocated memory is still 309.3 MB. Free memory was 229.9 MB in the beginning and 227.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 485.48 ms. Allocated memory was 309.3 MB in the beginning and 326.1 MB in the end (delta: 16.8 MB). Free memory was 227.9 MB in the beginning and 288.0 MB in the end (delta: -60.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52837.38 ms. Allocated memory was 326.1 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 285.8 MB in the beginning and 1.2 GB in the end (delta: -909.4 MB). Peak memory consumption was 3.4 GB. 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 transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.7s 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, 0.0s 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, 0.0s 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_4_e7_2329_e8_3915.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-50-31-686.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e7_2329_e8_3915.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-50-31-686.csv Completed graceful shutdown