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_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:37:36,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:37:36,999 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:37:37,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:37:37,017 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:37:37,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:37:37,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:37:37,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:37:37,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:37:37,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:37:37,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:37:37,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:37:37,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:37:37,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:37:37,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:37:37,033 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:37:37,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:37:37,048 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:37:37,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:37:37,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:37:37,052 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:37:37,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:37:37,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:37:37,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:37:37,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:37:37,055 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:37:37,061 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:37:37,062 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:37:37,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:37:37,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:37:37,063 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:37:37,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:37:37,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:37:37,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:37:37,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:37:37,066 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 17:37:37,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:37:37,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:37:37,084 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:37:37,084 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:37:37,085 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:37:37,085 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:37:37,085 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:37:37,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:37:37,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:37:37,086 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:37:37,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:37:37,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:37:37,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:37:37,088 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:37:37,089 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:37:37,089 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:37:37,137 INFO ]: Repository-Root is: /tmp [2018-06-22 17:37:37,153 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:37:37,159 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:37:37,161 INFO ]: Initializing SmtParser... [2018-06-22 17:37:37,161 INFO ]: SmtParser initialized [2018-06-22 17:37:37,161 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 [2018-06-22 17:37:37,163 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 17:37:37,253 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 unknown [2018-06-22 17:37:37,731 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 [2018-06-22 17:37:37,736 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:37:37,745 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:37:37,745 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:37:37,746 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:37:37,746 INFO ]: ChcToBoogie initialized [2018-06-22 17:37:37,749 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,839 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37 Unit [2018-06-22 17:37:37,839 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:37:37,840 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:37:37,840 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:37:37,840 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:37:37,876 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,877 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,890 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,890 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,910 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,912 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,919 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (1/1) ... [2018-06-22 17:37:37,923 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:37:37,924 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:37:37,924 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:37:37,924 INFO ]: RCFGBuilder initialized [2018-06-22 17:37:37,924 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (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 17:37:37,939 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:37:37,939 INFO ]: Found specification of procedure False [2018-06-22 17:37:37,939 INFO ]: Found implementation of procedure False [2018-06-22 17:37:37,939 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:37:37,939 INFO ]: Found specification of procedure state [2018-06-22 17:37:37,940 INFO ]: Found implementation of procedure state [2018-06-22 17:37:37,940 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:37:37,940 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:37:37,940 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:37:38,333 INFO ]: Using library mode [2018-06-22 17:37:38,335 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:37:38 BoogieIcfgContainer [2018-06-22 17:37:38,335 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:37:38,336 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:37:38,336 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:37:38,339 INFO ]: TraceAbstraction initialized [2018-06-22 17:37:38,339 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:37:37" (1/3) ... [2018-06-22 17:37:38,340 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab65645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:37:38, skipping insertion in model container [2018-06-22 17:37:38,340 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:37:37" (2/3) ... [2018-06-22 17:37:38,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab65645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:37:38, skipping insertion in model container [2018-06-22 17:37:38,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:37:38" (3/3) ... [2018-06-22 17:37:38,342 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:37:38,353 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:37:38,364 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:37:38,418 INFO ]: Using default assertion order modulation [2018-06-22 17:37:38,418 INFO ]: Interprodecural is true [2018-06-22 17:37:38,418 INFO ]: Hoare is false [2018-06-22 17:37:38,418 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:37:38,418 INFO ]: Backedges is TWOTRACK [2018-06-22 17:37:38,418 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:37:38,419 INFO ]: Difference is false [2018-06-22 17:37:38,419 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:37:38,419 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:37:38,430 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:37:38,440 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:37:38,440 INFO ]: Found error trace [2018-06-22 17:37:38,441 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:37:38,441 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:37:38,447 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:37:38,449 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:37:38,449 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:37:38,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:37:38,485 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:37:38,485 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:37:38,612 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:37:38,951 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 7 [2018-06-22 17:37:38,953 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:37:38,955 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:37:38,955 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:37:38,956 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:37:38,987 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:37:38,987 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:37:38,988 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:37:39,125 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:37:39,126 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:37:39,128 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:37:39,130 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:37:39,130 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:37:39,146 INFO ]: With dead ends: 13 [2018-06-22 17:37:39,146 INFO ]: Without dead ends: 13 [2018-06-22 17:37:39,148 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:37:39,165 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:37:39,204 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:37:39,205 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:37:39,206 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:37:39,208 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:37:39,208 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:37:39,208 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:37:39,208 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:37:39,208 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:37:39,210 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:37:39,210 INFO ]: Found error trace [2018-06-22 17:37:39,210 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:37:39,210 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:37:39,210 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:37:39,210 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:37:39,210 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:37:39,211 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:37:39,211 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:37:39,211 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:37:39,433 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:37:44,031 WARN ]: Spent 4.05 s on a formula simplification. DAG size of input: 426 DAG size of output: 163 [2018-06-22 17:37:44,501 WARN ]: Spent 313.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2018-06-22 17:37:44,504 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:37:44,505 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:37:44,505 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 17:37:44,512 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:37:44,639 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:37:44,660 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:38:47,742 INFO ]: Timeout while computing interpolants [2018-06-22 17:38:47,943 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:38:47,943 WARN ]: Verification canceled [2018-06-22 17:38:47,947 WARN ]: Timeout [2018-06-22 17:38:47,947 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:38:47 BoogieIcfgContainer [2018-06-22 17:38:47,947 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:38:47,948 INFO ]: Toolchain (without parser) took 70211.61 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.6 MB in the beginning and 1.1 GB in the end (delta: -843.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:38:47,949 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:38:47,949 INFO ]: ChcToBoogie took 94.28 ms. Allocated memory is still 306.2 MB. Free memory was 239.6 MB in the beginning and 236.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:38:47,950 INFO ]: Boogie Preprocessor took 82.98 ms. Allocated memory is still 306.2 MB. Free memory was 236.6 MB in the beginning and 234.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:38:47,950 INFO ]: RCFGBuilder took 411.34 ms. Allocated memory is still 306.2 MB. Free memory was 234.6 MB in the beginning and 205.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:38:47,951 INFO ]: TraceAbstraction took 69610.93 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.7 MB in the beginning and 1.1 GB in the end (delta: -878.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:38:47,962 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.28 ms. Allocated memory is still 306.2 MB. Free memory was 239.6 MB in the beginning and 236.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 82.98 ms. Allocated memory is still 306.2 MB. Free memory was 236.6 MB in the beginning and 234.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 411.34 ms. Allocated memory is still 306.2 MB. Free memory was 234.6 MB in the beginning and 205.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69610.93 ms. Allocated memory was 306.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.7 MB in the beginning and 1.1 GB in the end (delta: -878.2 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 37 quantified variables from 49 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.5s 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, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-38-47-974.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-38-47-974.csv Completed graceful shutdown