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_6.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:51:04,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:51:04,397 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:51:04,411 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:51:04,411 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:51:04,412 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:51:04,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:51:04,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:51:04,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:51:04,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:51:04,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:51:04,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:51:04,422 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:51:04,423 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:51:04,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:51:04,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:51:04,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:51:04,439 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:51:04,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:51:04,442 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:51:04,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:51:04,445 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:51:04,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:51:04,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:51:04,446 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:51:04,447 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:51:04,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:51:04,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:51:04,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:51:04,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:51:04,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:51:04,451 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:51:04,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:51:04,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:51:04,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:51:04,453 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 17:51:04,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:51:04,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:51:04,466 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:51:04,466 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:51:04,470 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:51:04,470 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:51:04,470 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:51:04,470 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:51:04,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:51:04,471 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:51:04,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:51:04,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:51:04,471 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:51:04,472 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:51:04,474 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:51:04,474 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:51:04,523 INFO ]: Repository-Root is: /tmp [2018-06-22 17:51:04,534 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:51:04,538 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:51:04,540 INFO ]: Initializing SmtParser... [2018-06-22 17:51:04,540 INFO ]: SmtParser initialized [2018-06-22 17:51:04,541 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 [2018-06-22 17:51:04,542 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 17:51:04,631 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 unknown [2018-06-22 17:51:05,188 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6.smt2 [2018-06-22 17:51:05,193 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:51:05,208 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:51:05,208 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:51:05,208 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:51:05,208 INFO ]: ChcToBoogie initialized [2018-06-22 17:51:05,212 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,293 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05 Unit [2018-06-22 17:51:05,293 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:51:05,294 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:51:05,294 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:51:05,294 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:51:05,315 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,315 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,327 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,328 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,336 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,337 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,341 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (1/1) ... [2018-06-22 17:51:05,345 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:51:05,345 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:51:05,345 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:51:05,345 INFO ]: RCFGBuilder initialized [2018-06-22 17:51:05,346 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (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 17:51:05,375 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:51:05,375 INFO ]: Found specification of procedure False [2018-06-22 17:51:05,376 INFO ]: Found implementation of procedure False [2018-06-22 17:51:05,376 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:51:05,376 INFO ]: Found specification of procedure state [2018-06-22 17:51:05,376 INFO ]: Found implementation of procedure state [2018-06-22 17:51:05,376 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:51:05,376 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:51:05,376 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 17:51:05,820 INFO ]: Using library mode [2018-06-22 17:51:05,821 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:05 BoogieIcfgContainer [2018-06-22 17:51:05,821 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:51:05,822 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:51:05,822 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:51:05,826 INFO ]: TraceAbstraction initialized [2018-06-22 17:51:05,826 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:05" (1/3) ... [2018-06-22 17:51:05,827 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:51:05, skipping insertion in model container [2018-06-22 17:51:05,827 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:05" (2/3) ... [2018-06-22 17:51:05,827 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:51:05, skipping insertion in model container [2018-06-22 17:51:05,828 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:05" (3/3) ... [2018-06-22 17:51:05,829 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:51:05,839 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:51:05,851 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:51:05,900 INFO ]: Using default assertion order modulation [2018-06-22 17:51:05,900 INFO ]: Interprodecural is true [2018-06-22 17:51:05,901 INFO ]: Hoare is false [2018-06-22 17:51:05,901 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:51:05,901 INFO ]: Backedges is TWOTRACK [2018-06-22 17:51:05,901 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:51:05,901 INFO ]: Difference is false [2018-06-22 17:51:05,901 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:51:05,901 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:51:05,919 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:51:05,932 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:51:05,932 INFO ]: Found error trace [2018-06-22 17:51:05,933 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:51:05,933 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:51:05,939 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:51:05,940 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:51:05,941 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:51:05,987 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:05,987 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:05,987 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:06,093 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:06,286 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:51:06,288 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:51:06,288 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:51:06,289 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:51:06,299 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:51:06,300 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:51:06,302 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:51:06,476 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:51:06,476 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:51:06,481 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:51:06,482 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:51:06,483 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:51:06,498 INFO ]: With dead ends: 13 [2018-06-22 17:51:06,498 INFO ]: Without dead ends: 13 [2018-06-22 17:51:06,500 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:51:06,517 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:51:06,537 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:51:06,538 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:51:06,543 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:51:06,544 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:51:06,544 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:51:06,545 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:51:06,545 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:51:06,545 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:51:06,546 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:51:06,546 INFO ]: Found error trace [2018-06-22 17:51:06,546 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:51:06,546 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:51:06,547 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:51:06,547 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:51:06,547 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:51:06,548 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:06,548 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:06,548 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:51:06,680 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:07,568 WARN ]: Spent 635.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-06-22 17:51:07,631 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:51:07,632 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:51:07,632 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 17:51:07,642 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:51:07,788 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:51:07,800 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:52:14,269 INFO ]: Timeout while computing interpolants [2018-06-22 17:52:14,470 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:52:14,470 WARN ]: Verification canceled [2018-06-22 17:52:14,474 WARN ]: Timeout [2018-06-22 17:52:14,474 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:52:14 BoogieIcfgContainer [2018-06-22 17:52:14,474 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:52:14,475 INFO ]: Toolchain (without parser) took 69281.94 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 241.1 MB in the beginning and 395.6 MB in the end (delta: -154.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:52:14,476 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:52:14,476 INFO ]: ChcToBoogie took 84.89 ms. Allocated memory is still 305.7 MB. Free memory was 241.1 MB in the beginning and 238.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:52:14,477 INFO ]: Boogie Preprocessor took 51.26 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 237.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 17:52:14,477 INFO ]: RCFGBuilder took 475.39 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 208.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:52:14,477 INFO ]: TraceAbstraction took 68652.12 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 208.1 MB in the beginning and 395.6 MB in the end (delta: -187.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:52:14,480 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 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 84.89 ms. Allocated memory is still 305.7 MB. Free memory was 241.1 MB in the beginning and 238.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.26 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 237.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 475.39 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 208.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68652.12 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 208.1 MB in the beginning and 395.6 MB in the end (delta: -187.5 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 14 quantified variables from 16 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.5s 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, 0.0s 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, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-52-14-500.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-52-14-500.csv Completed graceful shutdown