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_4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:45:20,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:45:20,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:45:20,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:45:20,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:45:20,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:45:20,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:45:20,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:45:20,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:45:20,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:45:20,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:45:20,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:45:20,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:45:20,796 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:45:20,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:45:20,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:45:20,802 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:45:20,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:45:20,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:45:20,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:45:20,819 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:45:20,821 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:45:20,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:45:20,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:45:20,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:45:20,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:45:20,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:45:20,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:45:20,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:45:20,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:45:20,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:45:20,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:45:20,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:45:20,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:45:20,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:45:20,835 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 17:45:20,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:45:20,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:45:20,856 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:45:20,856 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:45:20,857 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:45:20,857 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:45:20,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:45:20,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:45:20,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:45:20,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:45:20,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:45:20,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:45:20,859 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:45:20,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:45:20,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:45:20,859 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:45:20,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:45:20,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:45:20,861 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:45:20,862 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:45:20,862 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:45:20,913 INFO ]: Repository-Root is: /tmp [2018-06-22 17:45:20,935 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:45:20,940 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:45:20,942 INFO ]: Initializing SmtParser... [2018-06-22 17:45:20,942 INFO ]: SmtParser initialized [2018-06-22 17:45:20,943 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 [2018-06-22 17:45:20,944 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 17:45:21,039 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 unknown [2018-06-22 17:45:21,630 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 [2018-06-22 17:45:21,634 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:45:21,650 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:45:21,650 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:45:21,650 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:45:21,650 INFO ]: ChcToBoogie initialized [2018-06-22 17:45:21,653 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,737 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21 Unit [2018-06-22 17:45:21,737 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:45:21,738 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:45:21,738 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:45:21,738 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:45:21,764 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,764 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,778 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,779 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,800 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,810 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,814 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (1/1) ... [2018-06-22 17:45:21,818 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:45:21,818 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:45:21,818 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:45:21,818 INFO ]: RCFGBuilder initialized [2018-06-22 17:45:21,825 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (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 17:45:21,843 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:45:21,843 INFO ]: Found specification of procedure False [2018-06-22 17:45:21,843 INFO ]: Found implementation of procedure False [2018-06-22 17:45:21,843 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:45:21,843 INFO ]: Found specification of procedure state [2018-06-22 17:45:21,843 INFO ]: Found implementation of procedure state [2018-06-22 17:45:21,843 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:45:21,843 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:45:21,843 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:45:22,203 INFO ]: Using library mode [2018-06-22 17:45:22,204 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:22 BoogieIcfgContainer [2018-06-22 17:45:22,204 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:45:22,205 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:45:22,205 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:45:22,212 INFO ]: TraceAbstraction initialized [2018-06-22 17:45:22,212 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:45:21" (1/3) ... [2018-06-22 17:45:22,213 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bd9e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:45:22, skipping insertion in model container [2018-06-22 17:45:22,213 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:45:21" (2/3) ... [2018-06-22 17:45:22,213 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bd9e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:45:22, skipping insertion in model container [2018-06-22 17:45:22,213 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:45:22" (3/3) ... [2018-06-22 17:45:22,216 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:45:22,227 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:45:22,236 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:45:22,287 INFO ]: Using default assertion order modulation [2018-06-22 17:45:22,288 INFO ]: Interprodecural is true [2018-06-22 17:45:22,288 INFO ]: Hoare is false [2018-06-22 17:45:22,288 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:45:22,288 INFO ]: Backedges is TWOTRACK [2018-06-22 17:45:22,288 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:45:22,288 INFO ]: Difference is false [2018-06-22 17:45:22,288 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:45:22,288 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:45:22,306 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:45:22,317 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:45:22,317 INFO ]: Found error trace [2018-06-22 17:45:22,318 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:45:22,319 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:45:22,324 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:45:22,327 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:45:22,328 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:45:22,373 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:22,373 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:22,373 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:22,507 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:22,830 WARN ]: Spent 118.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 5 [2018-06-22 17:45:22,832 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:45:22,834 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:45:22,835 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:45:22,836 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:45:22,848 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:45:22,849 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:45:22,850 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:45:23,001 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:45:23,002 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:45:23,002 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:45:23,004 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:45:23,004 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:45:23,016 INFO ]: With dead ends: 13 [2018-06-22 17:45:23,016 INFO ]: Without dead ends: 13 [2018-06-22 17:45:23,018 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:45:23,037 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:45:23,070 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:45:23,071 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:45:23,071 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:45:23,073 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:45:23,073 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:45:23,074 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:45:23,074 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:45:23,074 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:45:23,075 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:45:23,075 INFO ]: Found error trace [2018-06-22 17:45:23,075 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:45:23,075 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:45:23,075 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:45:23,075 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:45:23,075 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:45:23,076 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:23,076 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:23,076 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:45:23,220 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:25,896 WARN ]: Spent 2.21 s on a formula simplification. DAG size of input: 267 DAG size of output: 137 [2018-06-22 17:45:26,563 WARN ]: Spent 508.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 6 [2018-06-22 17:45:26,566 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:45:26,567 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:45:26,567 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 17:45:26,574 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:45:26,715 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:45:26,729 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:46:32,395 INFO ]: Timeout while computing interpolants [2018-06-22 17:46:32,596 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:46:32,596 WARN ]: Verification canceled [2018-06-22 17:46:32,600 WARN ]: Timeout [2018-06-22 17:46:32,601 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:46:32 BoogieIcfgContainer [2018-06-22 17:46:32,601 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:46:32,602 INFO ]: Toolchain (without parser) took 70966.73 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 243.9 MB in the beginning and 1.2 GB in the end (delta: -912.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:46:32,603 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:46:32,603 INFO ]: ChcToBoogie took 87.12 ms. Allocated memory is still 308.3 MB. Free memory was 242.9 MB in the beginning and 240.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:46:32,604 INFO ]: Boogie Preprocessor took 80.03 ms. Allocated memory is still 308.3 MB. Free memory was 240.9 MB in the beginning and 238.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:46:32,604 INFO ]: RCFGBuilder took 386.04 ms. Allocated memory is still 308.3 MB. Free memory was 238.9 MB in the beginning and 209.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 3.6 GB. [2018-06-22 17:46:32,604 INFO ]: TraceAbstraction took 70395.44 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 208.6 MB in the beginning and 1.2 GB in the end (delta: -947.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:46:32,612 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.12 ms. Allocated memory is still 308.3 MB. Free memory was 242.9 MB in the beginning and 240.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.03 ms. Allocated memory is still 308.3 MB. Free memory was 240.9 MB in the beginning and 238.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 386.04 ms. Allocated memory is still 308.3 MB. Free memory was 238.9 MB in the beginning and 209.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70395.44 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 208.6 MB in the beginning and 1.2 GB in the end (delta: -947.4 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 59 quantified variables from 75 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.3s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-46-32-623.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-46-32-623.csv Completed graceful shutdown