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_e7_170_e3_3647.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:19:28,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:19:28,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:19:28,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:19:28,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:19:28,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:19:28,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:19:28,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:19:28,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:19:28,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:19:28,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:19:28,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:19:28,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:19:28,370 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:19:28,373 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:19:28,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:19:28,375 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:19:28,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:19:28,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:19:28,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:19:28,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:19:28,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:19:28,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:19:28,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:19:28,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:19:28,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:19:28,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:19:28,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:19:28,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:19:28,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:19:28,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:19:28,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:19:28,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:19:28,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:19:28,392 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:19:28,392 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:19:28,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:19:28,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:19:28,412 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:19:28,412 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:19:28,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:19:28,414 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:19:28,414 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:19:28,414 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:19:28,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:19:28,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:19:28,415 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:19:28,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:19:28,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:19:28,415 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:19:28,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:19:28,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:19:28,416 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:19:28,417 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:19:28,418 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:19:28,464 INFO ]: Repository-Root is: /tmp [2018-06-18 15:19:28,481 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:19:28,484 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:19:28,486 INFO ]: Initializing SmtParser... [2018-06-18 15:19:28,486 INFO ]: SmtParser initialized [2018-06-18 15:19:28,487 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 [2018-06-18 15:19:28,488 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 15:19:28,585 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 unknown [2018-06-18 15:19:29,126 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_9_e7_170_e3_3647.smt2 [2018-06-18 15:19:29,137 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:19:29,142 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:19:29,142 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:19:29,142 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:19:29,143 INFO ]: ChcToBoogie initialized [2018-06-18 15:19:29,150 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,257 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29 Unit [2018-06-18 15:19:29,257 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:19:29,258 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:19:29,258 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:19:29,258 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:19:29,281 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,285 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,311 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,311 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,319 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,320 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,323 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (1/1) ... [2018-06-18 15:19:29,328 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:19:29,328 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:19:29,328 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:19:29,328 INFO ]: RCFGBuilder initialized [2018-06-18 15:19:29,329 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (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 15:19:29,360 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:19:29,360 INFO ]: Found specification of procedure False [2018-06-18 15:19:29,360 INFO ]: Found implementation of procedure False [2018-06-18 15:19:29,360 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:19:29,360 INFO ]: Found specification of procedure state [2018-06-18 15:19:29,360 INFO ]: Found implementation of procedure state [2018-06-18 15:19:29,360 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:19:29,360 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:19:29,360 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 15:19:29,803 INFO ]: Using library mode [2018-06-18 15:19:29,803 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:19:29 BoogieIcfgContainer [2018-06-18 15:19:29,803 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:19:29,808 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:19:29,808 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:19:29,814 INFO ]: TraceAbstraction initialized [2018-06-18 15:19:29,814 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:19:29" (1/3) ... [2018-06-18 15:19:29,815 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294e23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:19:29, skipping insertion in model container [2018-06-18 15:19:29,815 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:19:29" (2/3) ... [2018-06-18 15:19:29,815 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294e23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:19:29, skipping insertion in model container [2018-06-18 15:19:29,815 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:19:29" (3/3) ... [2018-06-18 15:19:29,818 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:19:29,828 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:19:29,838 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:19:29,888 INFO ]: Using default assertion order modulation [2018-06-18 15:19:29,889 INFO ]: Interprodecural is true [2018-06-18 15:19:29,889 INFO ]: Hoare is false [2018-06-18 15:19:29,889 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:19:29,889 INFO ]: Backedges is TWOTRACK [2018-06-18 15:19:29,889 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:19:29,889 INFO ]: Difference is false [2018-06-18 15:19:29,889 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:19:29,889 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:19:29,911 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:19:29,928 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:19:29,928 INFO ]: Found error trace [2018-06-18 15:19:29,929 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:19:29,930 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:19:29,936 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:19:29,938 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:19:29,938 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:19:29,993 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:19:29,994 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:19:29,994 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:19:30,124 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:19:30,135 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:19:30,478 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-18 15:19:30,482 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:19:30,486 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:19:30,487 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:19:30,489 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:19:30,505 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:19:30,506 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:19:30,508 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:19:30,658 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:19:30,658 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:19:30,659 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:19:30,661 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:19:30,661 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:19:30,675 INFO ]: With dead ends: 13 [2018-06-18 15:19:30,675 INFO ]: Without dead ends: 13 [2018-06-18 15:19:30,677 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 15:19:30,693 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:19:30,713 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:19:30,714 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:19:30,715 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:19:30,716 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:19:30,716 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:19:30,716 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:19:30,716 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:19:30,716 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:19:30,718 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:19:30,718 INFO ]: Found error trace [2018-06-18 15:19:30,718 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:19:30,718 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:19:30,718 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:19:30,718 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:19:30,718 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:19:30,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:19:30,719 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:19:30,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:19:30,813 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:19:30,814 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:19:31,874 WARN ]: Spent 758.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 63 [2018-06-18 15:19:32,133 WARN ]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 1 [2018-06-18 15:19:32,135 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:19:32,136 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:19:32,136 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 15:19:32,143 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:19:32,298 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:19:32,313 INFO ]: Computing forward predicates... [2018-06-18 15:19:43,925 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 15:19:44,601 WARN ]: expecting exponential blowup for input size 17 [2018-06-18 15:19:45,673 WARN ]: Simplifying disjunction of 131220 conjuctions. This might take some time... Received shutdown request... [2018-06-18 15:20:36,660 INFO ]: Timeout while computing interpolants [2018-06-18 15:20:36,861 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:20:36,861 WARN ]: Verification canceled [2018-06-18 15:20:36,866 WARN ]: Timeout [2018-06-18 15:20:36,866 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:20:36 BoogieIcfgContainer [2018-06-18 15:20:36,866 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:20:36,868 INFO ]: Toolchain (without parser) took 67729.89 ms. Allocated memory was 306.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 239.5 MB in the beginning and 571.7 MB in the end (delta: -332.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-18 15:20:36,869 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:20:36,869 INFO ]: ChcToBoogie took 115.39 ms. Allocated memory is still 306.2 MB. Free memory was 239.5 MB in the beginning and 234.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:36,870 INFO ]: Boogie Preprocessor took 69.53 ms. Allocated memory is still 306.2 MB. Free memory was 234.5 MB in the beginning and 232.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:36,870 INFO ]: RCFGBuilder took 475.19 ms. Allocated memory is still 306.2 MB. Free memory was 232.5 MB in the beginning and 202.9 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 3.6 GB. [2018-06-18 15:20:36,871 INFO ]: TraceAbstraction took 67058.48 ms. Allocated memory was 306.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 202.9 MB in the beginning and 571.7 MB in the end (delta: -368.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:20:36,876 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 115.39 ms. Allocated memory is still 306.2 MB. Free memory was 239.5 MB in the beginning and 234.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 69.53 ms. Allocated memory is still 306.2 MB. Free memory was 234.5 MB in the beginning and 232.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 475.19 ms. Allocated memory is still 306.2 MB. Free memory was 232.5 MB in the beginning and 202.9 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67058.48 ms. Allocated memory was 306.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 202.9 MB in the beginning and 571.7 MB in the end (delta: -368.8 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 131220 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.9s 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, 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_e7_170_e3_3647.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-20-36-908.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_9_e7_170_e3_3647.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-20-36-908.csv Completed graceful shutdown