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_144.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:22:12,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:22:12,059 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:22:12,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:22:12,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:22:12,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:22:12,078 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:22:12,080 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:22:12,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:22:12,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:22:12,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:22:12,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:22:12,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:22:12,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:22:12,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:22:12,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:22:12,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:22:12,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:22:12,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:22:12,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:22:12,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:22:12,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:22:12,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:22:12,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:22:12,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:22:12,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:22:12,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:22:12,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:22:12,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:22:12,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:22:12,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:22:12,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:22:12,114 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:22:12,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:22:12,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:22:12,115 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 18:22:12,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:22:12,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:22:12,129 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:22:12,129 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:22:12,130 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:22:12,130 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:22:12,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:22:12,130 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:22:12,130 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:22:12,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:22:12,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:22:12,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:22:12,131 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:22:12,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:22:12,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:22:12,132 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:22:12,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:22:12,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:22:12,132 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:22:12,134 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:22:12,134 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:22:12,180 INFO ]: Repository-Root is: /tmp [2018-06-22 18:22:12,196 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:22:12,199 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:22:12,201 INFO ]: Initializing SmtParser... [2018-06-22 18:22:12,201 INFO ]: SmtParser initialized [2018-06-22 18:22:12,202 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_144.smt2 [2018-06-22 18:22:12,203 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 18:22:12,290 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_144.smt2 unknown [2018-06-22 18:22:12,787 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_luke_1b_e3_144.smt2 [2018-06-22 18:22:12,792 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:22:12,797 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:22:12,797 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:22:12,797 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:22:12,797 INFO ]: ChcToBoogie initialized [2018-06-22 18:22:12,801 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,856 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12 Unit [2018-06-22 18:22:12,856 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:22:12,856 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:22:12,856 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:22:12,856 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:22:12,877 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,878 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,889 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,889 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,899 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,900 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,903 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (1/1) ... [2018-06-22 18:22:12,907 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:22:12,908 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:22:12,908 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:22:12,908 INFO ]: RCFGBuilder initialized [2018-06-22 18:22:12,909 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (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 18:22:12,964 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:22:12,964 INFO ]: Found specification of procedure False [2018-06-22 18:22:12,964 INFO ]: Found implementation of procedure False [2018-06-22 18:22:12,964 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:22:12,964 INFO ]: Found specification of procedure state [2018-06-22 18:22:12,964 INFO ]: Found implementation of procedure state [2018-06-22 18:22:12,964 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:22:12,964 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:22:12,964 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 18:22:13,345 INFO ]: Using library mode [2018-06-22 18:22:13,346 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:22:13 BoogieIcfgContainer [2018-06-22 18:22:13,346 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:22:13,347 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:22:13,348 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:22:13,351 INFO ]: TraceAbstraction initialized [2018-06-22 18:22:13,351 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:22:12" (1/3) ... [2018-06-22 18:22:13,352 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1a193d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:22:13, skipping insertion in model container [2018-06-22 18:22:13,352 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:22:12" (2/3) ... [2018-06-22 18:22:13,352 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1a193d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:22:13, skipping insertion in model container [2018-06-22 18:22:13,353 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:22:13" (3/3) ... [2018-06-22 18:22:13,354 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:22:13,366 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:22:13,377 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:22:13,430 INFO ]: Using default assertion order modulation [2018-06-22 18:22:13,431 INFO ]: Interprodecural is true [2018-06-22 18:22:13,431 INFO ]: Hoare is false [2018-06-22 18:22:13,431 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:22:13,431 INFO ]: Backedges is TWOTRACK [2018-06-22 18:22:13,431 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:22:13,431 INFO ]: Difference is false [2018-06-22 18:22:13,431 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:22:13,431 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:22:13,445 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:22:13,456 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:22:13,456 INFO ]: Found error trace [2018-06-22 18:22:13,457 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:22:13,457 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:22:13,463 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 18:22:13,465 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:22:13,465 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:22:13,501 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:22:13,501 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:22:13,501 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:22:13,604 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:22:13,743 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:22:13,745 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:22:13,745 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:22:13,747 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:22:13,757 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:22:13,757 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:22:13,759 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:22:13,907 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:22:13,907 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:22:13,908 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:22:13,909 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:22:13,909 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:22:13,923 INFO ]: With dead ends: 13 [2018-06-22 18:22:13,923 INFO ]: Without dead ends: 13 [2018-06-22 18:22:13,926 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 18:22:13,961 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:22:13,981 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:22:13,982 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:22:13,983 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:22:13,984 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:22:13,984 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:22:13,984 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:22:13,984 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:22:13,984 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:22:13,986 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:22:13,986 INFO ]: Found error trace [2018-06-22 18:22:13,986 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:22:13,986 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:22:13,987 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 18:22:13,987 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:22:13,987 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:22:13,988 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:22:13,988 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:22:13,988 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:22:14,207 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:22:17,502 WARN ]: Spent 2.67 s on a formula simplification. DAG size of input: 368 DAG size of output: 138 [2018-06-22 18:22:17,648 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:22:17,648 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:22:17,648 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 18:22:17,660 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:22:17,767 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:22:17,780 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 18:23:24,678 INFO ]: Timeout while computing interpolants [2018-06-22 18:23:24,879 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:23:24,879 WARN ]: Verification canceled [2018-06-22 18:23:24,884 WARN ]: Timeout [2018-06-22 18:23:24,884 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:23:24 BoogieIcfgContainer [2018-06-22 18:23:24,884 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:23:24,886 INFO ]: Toolchain (without parser) took 72093.81 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 245.4 MB in the beginning and 1.2 GB in the end (delta: -938.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:23:24,887 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:23:24,887 INFO ]: ChcToBoogie took 58.76 ms. Allocated memory is still 309.3 MB. Free memory was 245.4 MB in the beginning and 242.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:23:24,888 INFO ]: Boogie Preprocessor took 51.08 ms. Allocated memory is still 309.3 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:23:24,888 INFO ]: RCFGBuilder took 437.74 ms. Allocated memory is still 309.3 MB. Free memory was 240.4 MB in the beginning and 212.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. [2018-06-22 18:23:24,889 INFO ]: TraceAbstraction took 71536.99 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 212.2 MB in the beginning and 1.2 GB in the end (delta: -971.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:23:24,901 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 309.3 MB. Free memory is still 275.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.76 ms. Allocated memory is still 309.3 MB. Free memory was 245.4 MB in the beginning and 242.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.08 ms. Allocated memory is still 309.3 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 437.74 ms. Allocated memory is still 309.3 MB. Free memory was 240.4 MB in the beginning and 212.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71536.99 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 212.2 MB in the beginning and 1.2 GB in the end (delta: -971.3 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 27 quantified variables from 44 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.4s 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, 0.0s 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_luke_1b_e3_144.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-23-24-920.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_luke_1b_e3_144.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-23-24-920.csv Completed graceful shutdown