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_6_e2_3302.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:15:41,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:15:41,245 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:15:41,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:15:41,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:15:41,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:15:41,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:15:41,269 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:15:41,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:15:41,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:15:41,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:15:41,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:15:41,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:15:41,278 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:15:41,278 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:15:41,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:15:41,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:15:41,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:15:41,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:15:41,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:15:41,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:15:41,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:15:41,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:15:41,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:15:41,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:15:41,303 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:15:41,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:15:41,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:15:41,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:15:41,305 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:15:41,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:15:41,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:15:41,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:15:41,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:15:41,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:15:41,310 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:15:41,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:15:41,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:15:41,327 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:15:41,327 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:15:41,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:15:41,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:15:41,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:15:41,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:15:41,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:15:41,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:15:41,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:15:41,334 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:15:41,336 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:15:41,336 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:15:41,387 INFO ]: Repository-Root is: /tmp [2018-06-18 15:15:41,400 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:15:41,404 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:15:41,405 INFO ]: Initializing SmtParser... [2018-06-18 15:15:41,406 INFO ]: SmtParser initialized [2018-06-18 15:15:41,406 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 [2018-06-18 15:15:41,408 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 15:15:41,503 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 unknown [2018-06-18 15:15:42,070 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 [2018-06-18 15:15:42,075 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:15:42,081 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:15:42,081 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:15:42,081 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:15:42,081 INFO ]: ChcToBoogie initialized [2018-06-18 15:15:42,088 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,231 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42 Unit [2018-06-18 15:15:42,231 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:15:42,232 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:15:42,232 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:15:42,232 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:15:42,260 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,260 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,286 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,286 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,303 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,304 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,307 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... [2018-06-18 15:15:42,321 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:15:42,321 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:15:42,321 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:15:42,321 INFO ]: RCFGBuilder initialized [2018-06-18 15:15:42,325 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:15:42,340 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:15:42,340 INFO ]: Found specification of procedure False [2018-06-18 15:15:42,340 INFO ]: Found implementation of procedure False [2018-06-18 15:15:42,340 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:15:42,340 INFO ]: Found specification of procedure state [2018-06-18 15:15:42,340 INFO ]: Found implementation of procedure state [2018-06-18 15:15:42,340 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:15:42,340 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:15:42,340 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 15:15:42,771 INFO ]: Using library mode [2018-06-18 15:15:42,771 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:15:42 BoogieIcfgContainer [2018-06-18 15:15:42,771 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:15:42,773 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:15:42,773 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:15:42,780 INFO ]: TraceAbstraction initialized [2018-06-18 15:15:42,780 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:15:42" (1/3) ... [2018-06-18 15:15:42,781 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3602c74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:15:42, skipping insertion in model container [2018-06-18 15:15:42,781 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:15:42" (2/3) ... [2018-06-18 15:15:42,781 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3602c74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:15:42, skipping insertion in model container [2018-06-18 15:15:42,781 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:15:42" (3/3) ... [2018-06-18 15:15:42,783 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:15:42,793 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:15:42,806 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:15:42,857 INFO ]: Using default assertion order modulation [2018-06-18 15:15:42,857 INFO ]: Interprodecural is true [2018-06-18 15:15:42,857 INFO ]: Hoare is false [2018-06-18 15:15:42,857 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:15:42,857 INFO ]: Backedges is TWOTRACK [2018-06-18 15:15:42,857 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:15:42,857 INFO ]: Difference is false [2018-06-18 15:15:42,857 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:15:42,858 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:15:42,880 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:15:42,895 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:15:42,895 INFO ]: Found error trace [2018-06-18 15:15:42,896 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:15:42,897 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:15:42,905 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 15:15:42,907 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:15:42,907 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:15:42,945 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:15:42,945 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:15:42,945 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:15:43,068 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:15:43,078 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:15:43,378 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-18 15:15:43,381 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:15:43,385 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:15:43,385 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:15:43,387 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:15:43,402 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:15:43,402 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:15:43,404 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:15:43,555 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:15:43,555 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:15:43,556 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:15:43,558 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:15:43,558 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:15:43,571 INFO ]: With dead ends: 13 [2018-06-18 15:15:43,571 INFO ]: Without dead ends: 13 [2018-06-18 15:15:43,573 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 15:15:43,589 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:15:43,629 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:15:43,630 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:15:43,631 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:15:43,632 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:15:43,633 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:15:43,633 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:15:43,633 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:15:43,633 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:15:43,635 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:15:43,635 INFO ]: Found error trace [2018-06-18 15:15:43,635 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:15:43,635 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:15:43,635 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 15:15:43,635 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:15:43,635 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:15:43,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:15:43,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:15:43,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:15:43,768 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:15:43,769 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:15:44,592 WARN ]: Spent 586.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2018-06-18 15:15:44,699 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:15:44,700 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:15:44,700 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 15:15:44,708 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:15:44,851 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:15:44,862 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 15:16:49,083 INFO ]: Timeout while computing interpolants [2018-06-18 15:16:49,285 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:16:49,285 WARN ]: Verification canceled [2018-06-18 15:16:49,289 WARN ]: Timeout [2018-06-18 15:16:49,290 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:16:49 BoogieIcfgContainer [2018-06-18 15:16:49,290 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:16:49,291 INFO ]: Toolchain (without parser) took 67215.13 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.1 MB in the beginning and 568.2 MB in the end (delta: -326.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:16:49,292 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:16:49,292 INFO ]: ChcToBoogie took 150.18 ms. Allocated memory is still 305.7 MB. Free memory was 240.1 MB in the beginning and 236.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:16:49,293 INFO ]: Boogie Preprocessor took 89.02 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 234.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:16:49,295 INFO ]: RCFGBuilder took 450.23 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 206.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. [2018-06-18 15:16:49,296 INFO ]: TraceAbstraction took 66516.61 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.1 MB in the beginning and 568.2 MB in the end (delta: -364.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:16:49,299 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 305.7 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 150.18 ms. Allocated memory is still 305.7 MB. Free memory was 240.1 MB in the beginning and 236.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.02 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 234.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 450.23 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 206.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66516.61 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.1 MB in the beginning and 568.2 MB in the end (delta: -364.1 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 21 quantified variables from 16 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6_e2_3302.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-16-49-324.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6_e2_3302.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-16-49-324.csv Completed graceful shutdown