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_9.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:20:03,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:20:03,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:20:03,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:20:03,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:20:03,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:20:03,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:20:03,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:20:03,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:20:03,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:20:03,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:20:03,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:20:03,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:20:03,405 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:20:03,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:20:03,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:20:03,408 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:20:03,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:20:03,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:20:03,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:20:03,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:20:03,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:20:03,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:20:03,429 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:20:03,430 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:20:03,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:20:03,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:20:03,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:20:03,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:20:03,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:20:03,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:20:03,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:20:03,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:20:03,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:20:03,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:20:03,448 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:20:03,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:20:03,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:20:03,473 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:20:03,473 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:20:03,474 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:20:03,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:20:03,475 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:20:03,475 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:20:03,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:20:03,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:20:03,476 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:20:03,476 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:20:03,476 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:20:03,477 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:20:03,477 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:20:03,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:20:03,477 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:20:03,479 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:20:03,479 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:20:03,532 INFO ]: Repository-Root is: /tmp [2018-06-18 15:20:03,549 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:20:03,557 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:20:03,558 INFO ]: Initializing SmtParser... [2018-06-18 15:20:03,558 INFO ]: SmtParser initialized [2018-06-18 15:20:03,559 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9.smt2 [2018-06-18 15:20:03,560 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 15:20:03,658 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9.smt2 unknown [2018-06-18 15:20:04,187 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9.smt2 [2018-06-18 15:20:04,192 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:20:04,206 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:20:04,207 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:20:04,207 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:20:04,207 INFO ]: ChcToBoogie initialized [2018-06-18 15:20:04,223 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,379 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04 Unit [2018-06-18 15:20:04,379 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:20:04,380 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:20:04,380 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:20:04,380 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:20:04,403 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,404 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,415 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,415 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,428 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,430 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,433 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (1/1) ... [2018-06-18 15:20:04,440 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:20:04,440 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:20:04,440 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:20:04,440 INFO ]: RCFGBuilder initialized [2018-06-18 15:20:04,441 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (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 15:20:04,469 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:20:04,469 INFO ]: Found specification of procedure False [2018-06-18 15:20:04,469 INFO ]: Found implementation of procedure False [2018-06-18 15:20:04,469 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:20:04,469 INFO ]: Found specification of procedure state [2018-06-18 15:20:04,469 INFO ]: Found implementation of procedure state [2018-06-18 15:20:04,469 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:20:04,469 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:20:04,469 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 15:20:04,912 INFO ]: Using library mode [2018-06-18 15:20:04,912 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:20:04 BoogieIcfgContainer [2018-06-18 15:20:04,913 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:20:04,916 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:20:04,916 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:20:04,922 INFO ]: TraceAbstraction initialized [2018-06-18 15:20:04,922 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:20:04" (1/3) ... [2018-06-18 15:20:04,923 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:20:04, skipping insertion in model container [2018-06-18 15:20:04,923 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:20:04" (2/3) ... [2018-06-18 15:20:04,923 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:20:04, skipping insertion in model container [2018-06-18 15:20:04,923 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:20:04" (3/3) ... [2018-06-18 15:20:04,926 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:20:04,936 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:20:04,949 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:20:05,002 INFO ]: Using default assertion order modulation [2018-06-18 15:20:05,002 INFO ]: Interprodecural is true [2018-06-18 15:20:05,002 INFO ]: Hoare is false [2018-06-18 15:20:05,003 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:20:05,003 INFO ]: Backedges is TWOTRACK [2018-06-18 15:20:05,003 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:20:05,003 INFO ]: Difference is false [2018-06-18 15:20:05,003 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:20:05,003 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:20:05,018 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:20:05,032 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:20:05,032 INFO ]: Found error trace [2018-06-18 15:20:05,033 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:20:05,033 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:20:05,042 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:20:05,044 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:20:05,045 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:20:05,097 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:20:05,098 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:20:05,098 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:20:05,202 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:20:05,212 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:20:05,571 WARN ]: Spent 179.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-18 15:20:05,577 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:20:05,580 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:20:05,580 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:20:05,582 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:20:05,599 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:20:05,599 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:20:05,601 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:20:05,720 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:20:05,720 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:20:05,722 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:20:05,724 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:20:05,724 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:20:05,740 INFO ]: With dead ends: 13 [2018-06-18 15:20:05,740 INFO ]: Without dead ends: 13 [2018-06-18 15:20:05,742 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 15:20:05,762 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:20:05,802 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:20:05,803 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:20:05,804 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:20:05,805 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:20:05,806 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:20:05,806 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:20:05,806 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:20:05,806 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:20:05,807 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:20:05,807 INFO ]: Found error trace [2018-06-18 15:20:05,807 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:20:05,807 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:20:05,808 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:20:05,808 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:20:05,808 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:20:05,809 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:20:05,809 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:20:05,809 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:20:05,942 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:20:05,943 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:20:07,296 WARN ]: Spent 1.05 s on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-06-18 15:20:07,426 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:20:07,426 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:20:07,426 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 15:20:07,436 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:20:07,580 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:20:07,596 INFO ]: Computing forward predicates... [2018-06-18 15:20:07,795 WARN ]: expecting exponential blowup for input size 9 [2018-06-18 15:20:07,810 WARN ]: expecting exponential blowup for input size 31 Received shutdown request... [2018-06-18 15:20:54,451 INFO ]: Timeout while computing interpolants [2018-06-18 15:20:54,652 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:20:54,652 WARN ]: Verification canceled [2018-06-18 15:20:54,656 WARN ]: Timeout [2018-06-18 15:20:54,657 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:20:54 BoogieIcfgContainer [2018-06-18 15:20:54,657 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:20:54,659 INFO ]: Toolchain (without parser) took 50465.32 ms. Allocated memory was 303.6 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 236.0 MB in the beginning and 1.2 GB in the end (delta: -914.9 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:20:54,660 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 303.6 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:20:54,660 INFO ]: ChcToBoogie took 172.83 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 232.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:54,660 INFO ]: Boogie Preprocessor took 59.59 ms. Allocated memory is still 303.6 MB. Free memory was 232.0 MB in the beginning and 230.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:54,661 INFO ]: RCFGBuilder took 473.81 ms. Allocated memory is still 303.6 MB. Free memory was 230.0 MB in the beginning and 200.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:54,661 INFO ]: TraceAbstraction took 49741.21 ms. Allocated memory was 303.6 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 200.1 MB in the beginning and 1.2 GB in the end (delta: -950.8 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:20:54,665 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 303.6 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 172.83 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 232.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.59 ms. Allocated memory is still 303.6 MB. Free memory was 232.0 MB in the beginning and 230.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 473.81 ms. Allocated memory is still 303.6 MB. Free memory was 230.0 MB in the beginning and 200.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49741.21 ms. Allocated memory was 303.6 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 200.1 MB in the beginning and 1.2 GB in the end (delta: -950.8 MB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 31 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.6s 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_9.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-20-54-685.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_9.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-20-54-685.csv Completed graceful shutdown