java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_1713.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:09:47,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:09:47,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:09:47,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:09:47,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:09:47,210 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:09:47,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:09:47,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:09:47,219 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:09:47,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:09:47,221 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:09:47,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:09:47,224 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:09:47,225 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:09:47,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:09:47,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:09:47,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:09:47,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:09:47,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:09:47,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:09:47,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:09:47,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:09:47,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:09:47,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:09:47,252 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:09:47,253 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:09:47,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:09:47,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:09:47,261 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:09:47,261 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:09:47,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:09:47,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:09:47,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:09:47,263 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:09:47,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:09:47,264 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:09:47,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:09:47,287 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:09:47,287 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:09:47,288 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:09:47,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:09:47,294 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:09:47,294 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:09:47,294 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:09:47,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:09:47,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:09:47,295 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:09:47,295 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:09:47,295 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:09:47,295 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:09:47,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:09:47,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:09:47,296 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:09:47,298 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:09:47,299 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:09:47,354 INFO ]: Repository-Root is: /tmp [2018-06-18 15:09:47,371 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:09:47,378 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:09:47,380 INFO ]: Initializing SmtParser... [2018-06-18 15:09:47,380 INFO ]: SmtParser initialized [2018-06-18 15:09:47,382 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_1713.smt2 [2018-06-18 15:09:47,383 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 [2018-06-18 15:09:47,484 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_1713.smt2 unknown [2018-06-18 15:09:48,069 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_1713.smt2 [2018-06-18 15:09:48,074 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:09:48,081 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:09:48,081 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:09:48,081 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:09:48,081 INFO ]: ChcToBoogie initialized [2018-06-18 15:09:48,097 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,228 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48 Unit [2018-06-18 15:09:48,228 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:09:48,229 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:09:48,230 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:09:48,230 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:09:48,255 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,255 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,284 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,285 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,294 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,295 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,300 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (1/1) ... [2018-06-18 15:09:48,305 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:09:48,306 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:09:48,306 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:09:48,306 INFO ]: RCFGBuilder initialized [2018-06-18 15:09:48,307 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (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) [2018-06-18 15:09:48,319 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:09:48,319 INFO ]: Found specification of procedure False [2018-06-18 15:09:48,319 INFO ]: Found implementation of procedure False [2018-06-18 15:09:48,319 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:09:48,319 INFO ]: Found specification of procedure state [2018-06-18 15:09:48,319 INFO ]: Found implementation of procedure state [2018-06-18 15:09:48,319 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:09:48,319 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:09:48,319 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 [2018-06-18 15:09:48,790 INFO ]: Using library mode [2018-06-18 15:09:48,791 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:09:48 BoogieIcfgContainer [2018-06-18 15:09:48,791 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:09:48,798 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:09:48,798 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:09:48,804 INFO ]: TraceAbstraction initialized [2018-06-18 15:09:48,804 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:09:48" (1/3) ... [2018-06-18 15:09:48,805 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ef3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:09:48, skipping insertion in model container [2018-06-18 15:09:48,805 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:09:48" (2/3) ... [2018-06-18 15:09:48,806 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ef3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:09:48, skipping insertion in model container [2018-06-18 15:09:48,806 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:09:48" (3/3) ... [2018-06-18 15:09:48,808 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:09:48,820 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:09:48,834 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:09:48,885 INFO ]: Using default assertion order modulation [2018-06-18 15:09:48,885 INFO ]: Interprodecural is true [2018-06-18 15:09:48,885 INFO ]: Hoare is false [2018-06-18 15:09:48,885 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:09:48,885 INFO ]: Backedges is TWOTRACK [2018-06-18 15:09:48,885 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:09:48,885 INFO ]: Difference is false [2018-06-18 15:09:48,885 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:09:48,885 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:09:48,901 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:09:48,914 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:09:48,915 INFO ]: Found error trace [2018-06-18 15:09:48,916 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:09:48,916 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:09:48,922 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:09:48,923 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:09:48,924 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:09:48,960 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:09:48,960 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:09:48,960 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:09:49,088 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:09:49,099 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:09:49,431 WARN ]: Spent 132.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 5 [2018-06-18 15:09:49,461 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:09:49,470 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:09:49,470 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:09:49,472 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:09:49,489 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:09:49,489 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:09:49,492 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:09:49,604 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:09:49,604 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:09:49,605 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:09:49,606 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:09:49,606 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:09:49,615 INFO ]: With dead ends: 13 [2018-06-18 15:09:49,615 INFO ]: Without dead ends: 13 [2018-06-18 15:09:49,617 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 [2018-06-18 15:09:49,631 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:09:49,655 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:09:49,656 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:09:49,657 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:09:49,658 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:09:49,659 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:09:49,659 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:09:49,659 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:09:49,659 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:09:49,660 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:09:49,660 INFO ]: Found error trace [2018-06-18 15:09:49,660 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:09:49,661 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:09:49,661 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:09:49,661 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:09:49,661 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:09:49,662 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:09:49,662 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:09:49,662 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:09:49,897 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:09:49,897 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:09:55,541 WARN ]: Spent 5.00 s on a formula simplification. DAG size of input: 331 DAG size of output: 199 [2018-06-18 15:09:55,775 WARN ]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-06-18 15:09:56,171 WARN ]: Spent 272.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2018-06-18 15:09:56,174 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:09:56,174 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:09:56,174 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 [2018-06-18 15:09:56,197 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:09:56,343 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:09:56,360 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:10:58,465 INFO ]: Timeout while computing interpolants [2018-06-18 15:10:58,670 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:10:58,670 WARN ]: Verification canceled [2018-06-18 15:10:58,676 WARN ]: Timeout [2018-06-18 15:10:58,676 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:10:58 BoogieIcfgContainer [2018-06-18 15:10:58,676 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:10:58,677 INFO ]: Toolchain (without parser) took 70602.46 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 243.9 MB in the beginning and 915.4 MB in the end (delta: -671.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:10:58,678 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:10:58,678 INFO ]: ChcToBoogie took 147.07 ms. Allocated memory is still 308.3 MB. Free memory was 243.9 MB in the beginning and 237.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:10:58,697 INFO ]: Boogie Preprocessor took 76.52 ms. Allocated memory is still 308.3 MB. Free memory was 237.9 MB in the beginning and 236.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:10:58,697 INFO ]: RCFGBuilder took 485.46 ms. Allocated memory is still 308.3 MB. Free memory was 236.9 MB in the beginning and 206.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 3.6 GB. [2018-06-18 15:10:58,697 INFO ]: TraceAbstraction took 69877.94 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.7 MB in the beginning and 915.4 MB in the end (delta: -708.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:10:58,700 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 147.07 ms. Allocated memory is still 308.3 MB. Free memory was 243.9 MB in the beginning and 237.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.52 ms. Allocated memory is still 308.3 MB. Free memory was 237.9 MB in the beginning and 236.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 485.46 ms. Allocated memory is still 308.3 MB. Free memory was 236.9 MB in the beginning and 206.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69877.94 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.7 MB in the beginning and 915.4 MB in the end (delta: -708.7 MB). Peak memory consumption was 1.3 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 XnfDer was eliminating 57 quantified variables from 78 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.7s 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, 0.0s 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, 136 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/FIREFLY_4_e3_1713.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-10-58-737.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4_e3_1713.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-10-58-737.csv Completed graceful shutdown