java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:03:11,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:03:11,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:03:11,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:03:11,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:03:11,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:03:11,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:03:11,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:03:11,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:03:11,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:03:11,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:03:11,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:03:11,462 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:03:11,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:03:11,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:03:11,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:03:11,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:03:11,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:03:11,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:03:11,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:03:11,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:03:11,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:03:11,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:03:11,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:03:11,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:03:11,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:03:11,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:03:11,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:03:11,498 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:03:11,498 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:03:11,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:03:11,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:03:11,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:03:11,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:03:11,506 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:03:11,506 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 18:03:11,530 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:03:11,530 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:03:11,530 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:03:11,530 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:03:11,531 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:03:11,532 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:03:11,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:03:11,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:03:11,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:03:11,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:03:11,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:03:11,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:03:11,533 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:03:11,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:03:11,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:03:11,534 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:03:11,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:03:11,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:03:11,534 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:03:11,540 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:03:11,540 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:03:11,594 INFO ]: Repository-Root is: /tmp [2018-06-22 18:03:11,610 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:03:11,615 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:03:11,617 INFO ]: Initializing SmtParser... [2018-06-22 18:03:11,617 INFO ]: SmtParser initialized [2018-06-22 18:03:11,618 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3.smt2 [2018-06-22 18:03:11,620 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 18:03:11,702 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3.smt2 unknown [2018-06-22 18:03:12,348 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3.smt2 [2018-06-22 18:03:12,353 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:03:12,359 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:03:12,360 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:03:12,360 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:03:12,360 INFO ]: ChcToBoogie initialized [2018-06-22 18:03:12,363 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,433 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12 Unit [2018-06-22 18:03:12,433 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:03:12,434 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:03:12,434 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:03:12,434 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:03:12,456 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,456 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,467 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,467 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,481 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,483 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,487 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... [2018-06-22 18:03:12,491 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:03:12,491 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:03:12,492 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:03:12,492 INFO ]: RCFGBuilder initialized [2018-06-22 18:03:12,492 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 18:03:12,502 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:03:12,502 INFO ]: Found specification of procedure False [2018-06-22 18:03:12,502 INFO ]: Found implementation of procedure False [2018-06-22 18:03:12,502 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:03:12,502 INFO ]: Found specification of procedure state [2018-06-22 18:03:12,502 INFO ]: Found implementation of procedure state [2018-06-22 18:03:12,502 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:03:12,502 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:03:12,502 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:03:12,942 INFO ]: Using library mode [2018-06-22 18:03:12,943 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:12 BoogieIcfgContainer [2018-06-22 18:03:12,943 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:03:12,944 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:03:12,944 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:03:12,950 INFO ]: TraceAbstraction initialized [2018-06-22 18:03:12,951 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:03:12" (1/3) ... [2018-06-22 18:03:12,951 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21421f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:03:12, skipping insertion in model container [2018-06-22 18:03:12,952 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:03:12" (2/3) ... [2018-06-22 18:03:12,952 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21421f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:03:12, skipping insertion in model container [2018-06-22 18:03:12,952 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:03:12" (3/3) ... [2018-06-22 18:03:12,954 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:03:12,964 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:03:12,974 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:03:13,023 INFO ]: Using default assertion order modulation [2018-06-22 18:03:13,024 INFO ]: Interprodecural is true [2018-06-22 18:03:13,024 INFO ]: Hoare is false [2018-06-22 18:03:13,024 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:03:13,024 INFO ]: Backedges is TWOTRACK [2018-06-22 18:03:13,024 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:03:13,024 INFO ]: Difference is false [2018-06-22 18:03:13,024 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:03:13,024 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:03:13,043 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:03:13,055 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:03:13,058 INFO ]: Found error trace [2018-06-22 18:03:13,059 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:03:13,059 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:03:13,065 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 18:03:13,067 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:03:13,068 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:03:13,102 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:03:13,102 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:03:13,102 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:03:13,242 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:03:14,072 WARN ]: Spent 551.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 13 [2018-06-22 18:03:14,076 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:03:14,078 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:03:14,079 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:03:14,080 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:03:14,096 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:03:14,096 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:03:14,100 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:03:14,235 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:03:14,235 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:03:14,237 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:03:14,238 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:03:14,238 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:03:14,252 INFO ]: With dead ends: 13 [2018-06-22 18:03:14,252 INFO ]: Without dead ends: 13 [2018-06-22 18:03:14,254 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:03:14,271 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:03:14,308 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:03:14,310 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:03:14,311 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:03:14,312 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:03:14,312 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:03:14,312 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:03:14,312 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:03:14,312 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:03:14,314 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:03:14,314 INFO ]: Found error trace [2018-06-22 18:03:14,315 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:03:14,315 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:03:14,315 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 18:03:14,315 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:03:14,315 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:03:14,316 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:03:14,316 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:03:14,316 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:03:14,528 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:03:18,878 WARN ]: Spent 3.76 s on a formula simplification. DAG size of input: 482 DAG size of output: 167 [2018-06-22 18:03:19,128 WARN ]: Spent 172.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2018-06-22 18:03:19,132 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:03:19,132 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:03:19,132 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:03:19,148 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:03:19,277 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:03:19,295 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 18:04:22,045 INFO ]: Timeout while computing interpolants [2018-06-22 18:04:22,246 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:04:22,246 WARN ]: Verification canceled [2018-06-22 18:04:22,249 WARN ]: Timeout [2018-06-22 18:04:22,250 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:04:22 BoogieIcfgContainer [2018-06-22 18:04:22,250 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:04:22,250 INFO ]: Toolchain (without parser) took 69897.17 ms. Allocated memory was 299.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 232.4 MB in the beginning and 639.4 MB in the end (delta: -407.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:04:22,251 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 299.9 MB. Free memory is still 264.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:04:22,251 INFO ]: ChcToBoogie took 73.56 ms. Allocated memory is still 299.9 MB. Free memory was 232.4 MB in the beginning and 230.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:04:22,252 INFO ]: Boogie Preprocessor took 57.11 ms. Allocated memory is still 299.9 MB. Free memory was 230.4 MB in the beginning and 228.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:04:22,252 INFO ]: RCFGBuilder took 451.33 ms. Allocated memory is still 299.9 MB. Free memory was 228.4 MB in the beginning and 196.4 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:04:22,252 INFO ]: TraceAbstraction took 69305.25 ms. Allocated memory was 299.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 196.4 MB in the beginning and 639.4 MB in the end (delta: -443.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:04:22,255 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 299.9 MB. Free memory is still 264.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 73.56 ms. Allocated memory is still 299.9 MB. Free memory was 232.4 MB in the beginning and 230.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.11 ms. Allocated memory is still 299.9 MB. Free memory was 230.4 MB in the beginning and 228.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 451.33 ms. Allocated memory is still 299.9 MB. Free memory was 228.4 MB in the beginning and 196.4 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69305.25 ms. Allocated memory was 299.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 196.4 MB in the beginning and 639.4 MB in the end (delta: -443.0 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 49 quantified variables from 78 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.2s 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, 0.6s 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, 0.8s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 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_a3.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-04-22-264.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_a3.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-04-22-264.csv Completed graceful shutdown