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_luke_1b_e3_671_e2_2131.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:23:28,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:23:28,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:23:28,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:23:28,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:23:28,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:23:28,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:23:28,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:23:28,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:23:28,260 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:23:28,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:23:28,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:23:28,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:23:28,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:23:28,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:23:28,268 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:23:28,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:23:28,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:23:28,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:23:28,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:23:28,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:23:28,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:23:28,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:23:28,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:23:28,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:23:28,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:23:28,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:23:28,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:23:28,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:23:28,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:23:28,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:23:28,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:23:28,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:23:28,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:23:28,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:23:28,291 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 18:23:28,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:23:28,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:23:28,303 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:23:28,303 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:23:28,304 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:23:28,304 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:23:28,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:23:28,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:23:28,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:23:28,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:23:28,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:23:28,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:23:28,306 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:23:28,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:23:28,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:23:28,306 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:23:28,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:23:28,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:23:28,307 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:23:28,308 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:23:28,308 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:23:28,356 INFO ]: Repository-Root is: /tmp [2018-06-22 18:23:28,370 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:23:28,375 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:23:28,376 INFO ]: Initializing SmtParser... [2018-06-22 18:23:28,376 INFO ]: SmtParser initialized [2018-06-22 18:23:28,377 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_671_e2_2131.smt2 [2018-06-22 18:23:28,379 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 18:23:28,470 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_671_e2_2131.smt2 unknown [2018-06-22 18:23:29,019 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_671_e2_2131.smt2 [2018-06-22 18:23:29,030 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:23:29,045 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:23:29,046 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:23:29,046 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:23:29,046 INFO ]: ChcToBoogie initialized [2018-06-22 18:23:29,049 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,134 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29 Unit [2018-06-22 18:23:29,134 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:23:29,135 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:23:29,135 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:23:29,135 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:23:29,158 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,158 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,179 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,179 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,187 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,188 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,191 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (1/1) ... [2018-06-22 18:23:29,195 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:23:29,196 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:23:29,196 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:23:29,196 INFO ]: RCFGBuilder initialized [2018-06-22 18:23:29,197 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (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) [2018-06-22 18:23:29,213 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:23:29,213 INFO ]: Found specification of procedure False [2018-06-22 18:23:29,213 INFO ]: Found implementation of procedure False [2018-06-22 18:23:29,213 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:23:29,213 INFO ]: Found specification of procedure state [2018-06-22 18:23:29,213 INFO ]: Found implementation of procedure state [2018-06-22 18:23:29,213 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:23:29,213 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:23:29,213 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 18:23:29,668 INFO ]: Using library mode [2018-06-22 18:23:29,668 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:23:29 BoogieIcfgContainer [2018-06-22 18:23:29,668 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:23:29,670 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:23:29,670 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:23:29,673 INFO ]: TraceAbstraction initialized [2018-06-22 18:23:29,673 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:23:29" (1/3) ... [2018-06-22 18:23:29,674 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e10905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:23:29, skipping insertion in model container [2018-06-22 18:23:29,674 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:23:29" (2/3) ... [2018-06-22 18:23:29,674 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e10905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:23:29, skipping insertion in model container [2018-06-22 18:23:29,675 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:23:29" (3/3) ... [2018-06-22 18:23:29,677 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:23:29,686 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:23:29,697 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:23:29,746 INFO ]: Using default assertion order modulation [2018-06-22 18:23:29,747 INFO ]: Interprodecural is true [2018-06-22 18:23:29,747 INFO ]: Hoare is false [2018-06-22 18:23:29,747 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:23:29,747 INFO ]: Backedges is TWOTRACK [2018-06-22 18:23:29,747 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:23:29,747 INFO ]: Difference is false [2018-06-22 18:23:29,747 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:23:29,747 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:23:29,766 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:23:29,779 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:23:29,779 INFO ]: Found error trace [2018-06-22 18:23:29,780 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:23:29,780 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:23:29,786 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 18:23:29,788 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:23:29,788 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:23:29,838 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:23:29,839 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:23:29,839 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:23:29,949 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:23:30,177 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:23:30,180 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:23:30,180 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:23:30,183 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:23:30,198 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:23:30,198 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:23:30,201 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:23:30,351 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:23:30,352 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:23:30,353 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:23:30,354 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:23:30,354 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:23:30,396 INFO ]: With dead ends: 13 [2018-06-22 18:23:30,396 INFO ]: Without dead ends: 13 [2018-06-22 18:23:30,398 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:23:30,419 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:23:30,441 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:23:30,443 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:23:30,443 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:23:30,447 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:23:30,448 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:23:30,448 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:23:30,448 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:23:30,448 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:23:30,449 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:23:30,449 INFO ]: Found error trace [2018-06-22 18:23:30,449 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:23:30,449 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:23:30,450 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 18:23:30,450 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:23:30,450 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:23:30,451 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:23:30,451 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:23:30,451 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:23:30,659 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:23:32,880 WARN ]: Spent 1.76 s on a formula simplification. DAG size of input: 320 DAG size of output: 86 [2018-06-22 18:23:33,047 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:23:33,047 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:23:33,047 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 18:23:33,060 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:23:33,184 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:23:33,201 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 18:24:41,670 INFO ]: Timeout while computing interpolants [2018-06-22 18:24:41,871 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:24:41,871 WARN ]: Verification canceled [2018-06-22 18:24:41,876 WARN ]: Timeout [2018-06-22 18:24:41,876 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:24:41 BoogieIcfgContainer [2018-06-22 18:24:41,876 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:24:41,877 INFO ]: Toolchain (without parser) took 72846.40 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.0 MB in the beginning and 452.6 MB in the end (delta: -211.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:24:41,878 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:24:41,879 INFO ]: ChcToBoogie took 88.26 ms. Allocated memory is still 305.7 MB. Free memory was 241.0 MB in the beginning and 238.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:24:41,886 INFO ]: Boogie Preprocessor took 60.57 ms. Allocated memory is still 305.7 MB. Free memory was 238.0 MB in the beginning and 236.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:24:41,886 INFO ]: RCFGBuilder took 472.70 ms. Allocated memory is still 305.7 MB. Free memory was 236.0 MB in the beginning and 207.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 3.6 GB. [2018-06-22 18:24:41,887 INFO ]: TraceAbstraction took 72206.08 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.5 MB in the beginning and 452.6 MB in the end (delta: -245.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:24:41,896 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 88.26 ms. Allocated memory is still 305.7 MB. Free memory was 241.0 MB in the beginning and 238.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.57 ms. Allocated memory is still 305.7 MB. Free memory was 238.0 MB in the beginning and 236.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 472.70 ms. Allocated memory is still 305.7 MB. Free memory was 236.0 MB in the beginning and 207.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72206.08 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.5 MB in the beginning and 452.6 MB in the end (delta: -245.1 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 28 quantified variables from 45 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 72.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.1s 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, 0.2s 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_luke_1b_e3_671_e2_2131.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-24-41-910.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_luke_1b_e3_671_e2_2131.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-24-41-910.csv Completed graceful shutdown