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/DRAGON_4_e3_4133.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:47:12,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:47:12,757 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:47:12,769 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:47:12,770 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:47:12,770 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:47:12,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:47:12,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:47:12,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:47:12,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:47:12,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:47:12,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:47:12,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:47:12,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:47:12,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:47:12,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:47:12,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:47:12,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:47:12,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:47:12,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:47:12,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:47:12,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:47:12,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:47:12,809 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:47:12,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:47:12,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:47:12,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:47:12,814 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:47:12,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:47:12,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:47:12,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:47:12,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:47:12,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:47:12,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:47:12,824 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:47:12,824 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 16:47:12,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:47:12,837 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:47:12,838 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:47:12,840 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:47:12,841 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:47:12,841 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:47:12,841 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:47:12,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:47:12,842 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:47:12,842 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:47:12,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:47:12,842 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:47:12,842 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:47:12,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:47:12,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:47:12,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:47:12,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:47:12,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:47:12,844 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:47:12,846 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:47:12,846 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:47:12,894 INFO ]: Repository-Root is: /tmp [2018-06-22 16:47:12,910 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:47:12,914 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:47:12,915 INFO ]: Initializing SmtParser... [2018-06-22 16:47:12,916 INFO ]: SmtParser initialized [2018-06-22 16:47:12,916 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_4133.smt2 [2018-06-22 16:47:12,917 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 16:47:13,010 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_4133.smt2 unknown [2018-06-22 16:47:13,646 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e3_4133.smt2 [2018-06-22 16:47:13,651 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:47:13,656 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:47:13,657 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:47:13,657 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:47:13,657 INFO ]: ChcToBoogie initialized [2018-06-22 16:47:13,660 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,736 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13 Unit [2018-06-22 16:47:13,737 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:47:13,737 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:47:13,737 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:47:13,737 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:47:13,767 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,768 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,793 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,793 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,813 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,820 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,824 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (1/1) ... [2018-06-22 16:47:13,832 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:47:13,832 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:47:13,832 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:47:13,832 INFO ]: RCFGBuilder initialized [2018-06-22 16:47:13,833 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (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 16:47:13,843 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:47:13,843 INFO ]: Found specification of procedure False [2018-06-22 16:47:13,843 INFO ]: Found implementation of procedure False [2018-06-22 16:47:13,843 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:47:13,843 INFO ]: Found specification of procedure state [2018-06-22 16:47:13,843 INFO ]: Found implementation of procedure state [2018-06-22 16:47:13,843 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:47:13,843 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:47:13,843 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 16:47:14,333 INFO ]: Using library mode [2018-06-22 16:47:14,333 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:47:14 BoogieIcfgContainer [2018-06-22 16:47:14,333 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:47:14,335 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:47:14,335 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:47:14,338 INFO ]: TraceAbstraction initialized [2018-06-22 16:47:14,340 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:47:13" (1/3) ... [2018-06-22 16:47:14,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217301eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:47:14, skipping insertion in model container [2018-06-22 16:47:14,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:47:13" (2/3) ... [2018-06-22 16:47:14,341 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217301eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:47:14, skipping insertion in model container [2018-06-22 16:47:14,341 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:47:14" (3/3) ... [2018-06-22 16:47:14,343 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:47:14,353 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:47:14,363 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:47:14,416 INFO ]: Using default assertion order modulation [2018-06-22 16:47:14,417 INFO ]: Interprodecural is true [2018-06-22 16:47:14,417 INFO ]: Hoare is false [2018-06-22 16:47:14,417 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:47:14,417 INFO ]: Backedges is TWOTRACK [2018-06-22 16:47:14,417 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:47:14,417 INFO ]: Difference is false [2018-06-22 16:47:14,417 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:47:14,417 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:47:14,435 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:47:14,452 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:47:14,452 INFO ]: Found error trace [2018-06-22 16:47:14,454 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:47:14,454 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:47:14,460 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:47:14,462 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:47:14,462 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:47:14,509 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:47:14,509 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:47:14,509 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:47:14,649 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:47:14,991 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:47:14,993 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:47:14,994 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:47:14,996 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:47:15,011 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:47:15,012 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:47:15,015 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:47:15,171 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:47:15,172 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:47:15,173 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:47:15,175 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:47:15,175 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:47:15,189 INFO ]: With dead ends: 13 [2018-06-22 16:47:15,189 INFO ]: Without dead ends: 13 [2018-06-22 16:47:15,190 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 16:47:15,210 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:47:15,248 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:47:15,251 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:47:15,252 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:47:15,253 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:47:15,253 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:47:15,253 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:47:15,253 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:47:15,253 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:47:15,255 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:47:15,255 INFO ]: Found error trace [2018-06-22 16:47:15,255 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:47:15,256 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:47:15,256 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:47:15,256 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:47:15,256 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:47:15,256 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:47:15,256 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:47:15,256 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:47:15,384 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:47:16,749 WARN ]: Spent 1.07 s on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2018-06-22 16:47:16,884 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:47:16,884 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:47:16,884 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 16:47:16,892 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:47:17,076 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:47:17,090 INFO ]: Computing forward predicates... [2018-06-22 16:47:20,185 WARN ]: expecting exponential blowup for input size 22 Received shutdown request... [2018-06-22 16:48:11,775 INFO ]: Timeout while computing interpolants [2018-06-22 16:48:11,976 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:48:11,976 WARN ]: Verification canceled [2018-06-22 16:48:11,979 WARN ]: Timeout [2018-06-22 16:48:11,979 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:48:11 BoogieIcfgContainer [2018-06-22 16:48:11,979 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:48:11,980 INFO ]: Toolchain (without parser) took 58328.71 ms. Allocated memory was 308.8 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 230.3 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 16:48:11,981 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:48:11,981 INFO ]: ChcToBoogie took 80.29 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:11,981 INFO ]: Boogie Preprocessor took 94.41 ms. Allocated memory is still 308.8 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:11,982 INFO ]: RCFGBuilder took 501.02 ms. Allocated memory was 308.8 MB in the beginning and 325.1 MB in the end (delta: 16.3 MB). Free memory was 225.3 MB in the beginning and 286.9 MB in the end (delta: -61.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:48:11,982 INFO ]: TraceAbstraction took 57644.05 ms. Allocated memory was 325.1 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 286.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 16:48:11,985 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 80.29 ms. Allocated memory is still 308.8 MB. Free memory was 230.3 MB in the beginning and 227.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 94.41 ms. Allocated memory is still 308.8 MB. Free memory was 227.3 MB in the beginning and 225.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 501.02 ms. Allocated memory was 308.8 MB in the beginning and 325.1 MB in the end (delta: 16.3 MB). Free memory was 225.3 MB in the beginning and 286.9 MB in the end (delta: -61.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 57644.05 ms. Allocated memory was 325.1 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 286.9 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 22 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 57.5s 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, 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/DRAGON_4_e3_4133.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-48-11-995.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e3_4133.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-48-11-995.csv Completed graceful shutdown