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_u1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:34:26,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:34:26,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:34:26,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:34:26,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:34:26,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:34:26,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:34:26,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:34:26,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:34:26,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:34:26,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:34:26,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:34:26,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:34:26,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:34:26,954 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:34:26,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:34:26,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:34:26,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:34:26,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:34:26,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:34:26,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:34:26,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:34:26,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:34:26,979 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:34:26,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:34:26,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:34:26,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:34:26,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:34:26,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:34:26,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:34:26,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:34:26,992 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:34:26,993 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:34:26,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:34:26,994 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:34:26,994 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 18:34:27,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:34:27,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:34:27,021 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:34:27,021 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:34:27,024 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:34:27,025 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:34:27,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:34:27,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:34:27,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:34:27,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:34:27,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:34:27,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:34:27,026 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:34:27,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:34:27,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:34:27,026 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:34:27,027 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:34:27,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:34:27,027 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:34:27,029 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:34:27,029 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:34:27,076 INFO ]: Repository-Root is: /tmp [2018-06-22 18:34:27,093 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:34:27,098 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:34:27,099 INFO ]: Initializing SmtParser... [2018-06-22 18:34:27,100 INFO ]: SmtParser initialized [2018-06-22 18:34:27,101 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1.smt2 [2018-06-22 18:34:27,102 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 18:34:27,192 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1.smt2 unknown [2018-06-22 18:34:27,688 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1.smt2 [2018-06-22 18:34:27,692 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:34:27,708 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:34:27,709 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:34:27,709 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:34:27,714 INFO ]: ChcToBoogie initialized [2018-06-22 18:34:27,717 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,842 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27 Unit [2018-06-22 18:34:27,842 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:34:27,843 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:34:27,843 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:34:27,843 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:34:27,889 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,889 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,911 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,911 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,936 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,941 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,944 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (1/1) ... [2018-06-22 18:34:27,953 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:34:27,954 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:34:27,954 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:34:27,954 INFO ]: RCFGBuilder initialized [2018-06-22 18:34:27,955 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:34:27,976 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:34:27,976 INFO ]: Found specification of procedure False [2018-06-22 18:34:27,976 INFO ]: Found implementation of procedure False [2018-06-22 18:34:27,976 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:34:27,976 INFO ]: Found specification of procedure state [2018-06-22 18:34:27,976 INFO ]: Found implementation of procedure state [2018-06-22 18:34:27,976 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:34:27,976 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:34:27,976 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 18:34:28,370 INFO ]: Using library mode [2018-06-22 18:34:28,371 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:28 BoogieIcfgContainer [2018-06-22 18:34:28,371 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:34:28,372 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:34:28,373 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:34:28,376 INFO ]: TraceAbstraction initialized [2018-06-22 18:34:28,376 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:34:27" (1/3) ... [2018-06-22 18:34:28,377 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c9699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:34:28, skipping insertion in model container [2018-06-22 18:34:28,377 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:34:27" (2/3) ... [2018-06-22 18:34:28,377 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c9699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:34:28, skipping insertion in model container [2018-06-22 18:34:28,377 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:34:28" (3/3) ... [2018-06-22 18:34:28,380 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:34:28,390 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:34:28,402 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:34:28,453 INFO ]: Using default assertion order modulation [2018-06-22 18:34:28,453 INFO ]: Interprodecural is true [2018-06-22 18:34:28,454 INFO ]: Hoare is false [2018-06-22 18:34:28,454 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:34:28,454 INFO ]: Backedges is TWOTRACK [2018-06-22 18:34:28,454 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:34:28,454 INFO ]: Difference is false [2018-06-22 18:34:28,454 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:34:28,454 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:34:28,473 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:34:28,487 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:34:28,487 INFO ]: Found error trace [2018-06-22 18:34:28,488 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:34:28,488 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:34:28,494 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:34:28,495 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:34:28,495 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:34:28,534 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:34:28,534 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:34:28,534 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:34:28,661 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:34:28,872 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:34:28,874 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:34:28,874 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:34:28,876 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:34:28,887 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:34:28,887 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:34:28,890 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:34:29,036 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:34:29,036 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:34:29,037 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:34:29,038 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:34:29,038 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:34:29,051 INFO ]: With dead ends: 13 [2018-06-22 18:34:29,051 INFO ]: Without dead ends: 13 [2018-06-22 18:34:29,055 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 18:34:29,072 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:34:29,098 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:34:29,099 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:34:29,099 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:34:29,100 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:34:29,101 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:34:29,101 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:34:29,101 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:34:29,101 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:34:29,102 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:34:29,102 INFO ]: Found error trace [2018-06-22 18:34:29,102 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:34:29,102 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:34:29,103 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:34:29,103 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:34:29,103 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:34:29,103 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:34:29,104 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:34:29,104 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:34:29,249 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:34:30,073 WARN ]: Spent 542.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-06-22 18:34:30,227 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:34:30,227 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:34:30,227 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 18:34:30,236 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:34:30,368 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:34:30,382 INFO ]: Computing forward predicates... [2018-06-22 18:34:30,599 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 18:34:30,612 WARN ]: expecting exponential blowup for input size 19 Received shutdown request... [2018-06-22 18:35:17,928 INFO ]: Timeout while computing interpolants [2018-06-22 18:35:18,129 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:35:18,129 WARN ]: Verification canceled [2018-06-22 18:35:18,133 WARN ]: Timeout [2018-06-22 18:35:18,133 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:35:18 BoogieIcfgContainer [2018-06-22 18:35:18,133 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:35:18,134 INFO ]: Toolchain (without parser) took 50441.27 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 244.1 MB in the beginning and 1.1 GB in the end (delta: -840.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 18:35:18,135 INFO ]: SmtParser took 0.10 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:35:18,135 INFO ]: ChcToBoogie took 133.54 ms. Allocated memory is still 308.8 MB. Free memory was 244.1 MB in the beginning and 241.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:35:18,136 INFO ]: Boogie Preprocessor took 110.44 ms. Allocated memory is still 308.8 MB. Free memory was 241.1 MB in the beginning and 239.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:35:18,136 INFO ]: RCFGBuilder took 417.67 ms. Allocated memory is still 308.8 MB. Free memory was 239.1 MB in the beginning and 211.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:35:18,137 INFO ]: TraceAbstraction took 49760.84 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 211.1 MB in the beginning and 1.1 GB in the end (delta: -873.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 18:35:18,140 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 133.54 ms. Allocated memory is still 308.8 MB. Free memory was 244.1 MB in the beginning and 241.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 110.44 ms. Allocated memory is still 308.8 MB. Free memory was 241.1 MB in the beginning and 239.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 417.67 ms. Allocated memory is still 308.8 MB. Free memory was 239.1 MB in the beginning and 211.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49760.84 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 211.1 MB in the beginning and 1.1 GB in the end (delta: -873.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 19 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.6s 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, 0.1s 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_u1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-35-18-150.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_u1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-35-18-150.csv Completed graceful shutdown