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_8.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:02:17,748 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:02:17,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:02:17,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:02:17,762 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:02:17,762 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:02:17,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:02:17,766 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:02:17,768 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:02:17,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:02:17,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:02:17,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:02:17,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:02:17,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:02:17,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:02:17,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:02:17,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:02:17,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:02:17,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:02:17,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:02:17,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:02:17,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:02:17,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:02:17,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:02:17,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:02:17,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:02:17,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:02:17,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:02:17,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:02:17,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:02:17,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:02:17,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:02:17,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:02:17,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:02:17,807 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:02:17,807 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 17:02:17,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:02:17,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:02:17,830 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:02:17,830 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:02:17,831 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:02:17,831 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:02:17,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:02:17,832 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:02:17,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:02:17,832 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:02:17,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:02:17,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:02:17,832 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:02:17,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:02:17,833 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:02:17,834 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:02:17,834 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:02:17,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:02:17,834 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:02:17,836 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:02:17,836 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:02:17,876 INFO ]: Repository-Root is: /tmp [2018-06-22 17:02:17,890 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:02:17,894 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:02:17,895 INFO ]: Initializing SmtParser... [2018-06-22 17:02:17,895 INFO ]: SmtParser initialized [2018-06-22 17:02:17,896 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 [2018-06-22 17:02:17,897 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 17:02:17,992 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 unknown [2018-06-22 17:02:18,616 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_8.smt2 [2018-06-22 17:02:18,621 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:02:18,626 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:02:18,626 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:02:18,626 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:02:18,627 INFO ]: ChcToBoogie initialized [2018-06-22 17:02:18,630 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,717 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18 Unit [2018-06-22 17:02:18,717 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:02:18,718 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:02:18,718 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:02:18,718 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:02:18,741 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,741 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,773 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,773 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,792 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,793 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,805 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (1/1) ... [2018-06-22 17:02:18,810 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:02:18,811 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:02:18,811 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:02:18,811 INFO ]: RCFGBuilder initialized [2018-06-22 17:02:18,813 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (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 17:02:18,831 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:02:18,832 INFO ]: Found specification of procedure False [2018-06-22 17:02:18,832 INFO ]: Found implementation of procedure False [2018-06-22 17:02:18,832 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:02:18,832 INFO ]: Found specification of procedure state [2018-06-22 17:02:18,832 INFO ]: Found implementation of procedure state [2018-06-22 17:02:18,832 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:02:18,832 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:02:18,832 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:02:19,343 INFO ]: Using library mode [2018-06-22 17:02:19,344 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:02:19 BoogieIcfgContainer [2018-06-22 17:02:19,344 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:02:19,345 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:02:19,345 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:02:19,351 INFO ]: TraceAbstraction initialized [2018-06-22 17:02:19,351 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:02:18" (1/3) ... [2018-06-22 17:02:19,352 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:02:19, skipping insertion in model container [2018-06-22 17:02:19,352 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:02:18" (2/3) ... [2018-06-22 17:02:19,352 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7068b6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:02:19, skipping insertion in model container [2018-06-22 17:02:19,352 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:02:19" (3/3) ... [2018-06-22 17:02:19,355 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:02:19,364 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:02:19,375 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:02:19,417 INFO ]: Using default assertion order modulation [2018-06-22 17:02:19,417 INFO ]: Interprodecural is true [2018-06-22 17:02:19,417 INFO ]: Hoare is false [2018-06-22 17:02:19,418 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:02:19,418 INFO ]: Backedges is TWOTRACK [2018-06-22 17:02:19,418 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:02:19,418 INFO ]: Difference is false [2018-06-22 17:02:19,418 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:02:19,418 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:02:19,429 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:02:19,439 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:02:19,439 INFO ]: Found error trace [2018-06-22 17:02:19,440 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:02:19,440 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:02:19,445 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:02:19,447 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:02:19,447 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:02:19,483 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:02:19,483 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:02:19,483 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:02:19,584 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:02:19,776 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:02:19,777 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:02:19,826 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:02:19,827 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:02:19,838 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:02:19,839 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:02:19,841 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:02:19,987 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:02:19,987 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:02:19,989 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:02:19,990 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:02:19,990 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:02:20,006 INFO ]: With dead ends: 13 [2018-06-22 17:02:20,006 INFO ]: Without dead ends: 13 [2018-06-22 17:02:20,009 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 17:02:20,027 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:02:20,070 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:02:20,071 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:02:20,072 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:02:20,073 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:02:20,073 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:02:20,073 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:02:20,073 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:02:20,073 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:02:20,075 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:02:20,075 INFO ]: Found error trace [2018-06-22 17:02:20,075 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:02:20,075 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:02:20,076 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:02:20,076 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:02:20,076 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:02:20,076 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:02:20,077 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:02:20,077 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:02:20,244 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:02:21,080 WARN ]: Spent 558.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-06-22 17:02:21,191 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:02:21,192 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:02:21,192 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 17:02:21,201 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:02:21,440 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:02:21,456 INFO ]: Computing forward predicates... [2018-06-22 17:02:21,788 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 17:02:21,820 WARN ]: expecting exponential blowup for input size 20 Received shutdown request... [2018-06-22 17:03:08,355 INFO ]: Timeout while computing interpolants [2018-06-22 17:03:08,556 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:03:08,556 WARN ]: Verification canceled [2018-06-22 17:03:08,559 WARN ]: Timeout [2018-06-22 17:03:08,559 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:03:08 BoogieIcfgContainer [2018-06-22 17:03:08,559 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:03:08,560 INFO ]: Toolchain (without parser) took 49939.10 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 231.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 17:03:08,561 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:03:08,561 INFO ]: ChcToBoogie took 91.08 ms. Allocated memory is still 308.8 MB. Free memory was 231.3 MB in the beginning and 227.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:03:08,561 INFO ]: Boogie Preprocessor took 92.23 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 17:03:08,566 INFO ]: RCFGBuilder took 533.76 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 225.3 MB in the beginning and 288.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:03:08,566 INFO ]: TraceAbstraction took 49214.07 ms. Allocated memory was 326.1 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 288.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-22 17:03:08,569 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.08 ms. Allocated memory is still 308.8 MB. Free memory was 231.3 MB in the beginning and 227.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 92.23 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 533.76 ms. Allocated memory was 308.8 MB in the beginning and 326.1 MB in the end (delta: 17.3 MB). Free memory was 225.3 MB in the beginning and 288.0 MB in the end (delta: -62.7 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49214.07 ms. Allocated memory was 326.1 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 288.0 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.5 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 20 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-03-08-590.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_8.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-03-08-590.csv Completed graceful shutdown