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_all_e2_1514.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:13:49,758 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:13:49,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:13:49,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:13:49,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:13:49,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:13:49,776 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:13:49,780 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:13:49,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:13:49,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:13:49,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:13:49,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:13:49,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:13:49,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:13:49,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:13:49,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:13:49,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:13:49,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:13:49,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:13:49,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:13:49,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:13:49,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:13:49,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:13:49,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:13:49,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:13:49,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:13:49,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:13:49,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:13:49,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:13:49,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:13:49,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:13:49,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:13:49,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:13:49,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:13:49,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:13:49,831 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 17:13:49,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:13:49,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:13:49,854 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:13:49,854 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:13:49,855 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:13:49,855 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:13:49,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:13:49,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:13:49,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:13:49,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:13:49,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:13:49,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:13:49,857 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:13:49,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:13:49,858 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:13:49,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:13:49,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:13:49,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:13:49,858 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:13:49,860 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:13:49,860 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:13:49,911 INFO ]: Repository-Root is: /tmp [2018-06-22 17:13:49,927 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:13:49,933 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:13:49,934 INFO ]: Initializing SmtParser... [2018-06-22 17:13:49,934 INFO ]: SmtParser initialized [2018-06-22 17:13:49,935 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_1514.smt2 [2018-06-22 17:13:49,936 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 17:13:50,025 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_1514.smt2 unknown [2018-06-22 17:13:50,778 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all_e2_1514.smt2 [2018-06-22 17:13:50,783 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:13:50,794 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:13:50,794 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:13:50,794 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:13:50,795 INFO ]: ChcToBoogie initialized [2018-06-22 17:13:50,798 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,865 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50 Unit [2018-06-22 17:13:50,865 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:13:50,866 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:13:50,866 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:13:50,866 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:13:50,888 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,888 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,905 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,905 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,918 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,919 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,925 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (1/1) ... [2018-06-22 17:13:50,931 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:13:50,932 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:13:50,932 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:13:50,932 INFO ]: RCFGBuilder initialized [2018-06-22 17:13:50,933 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (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) [2018-06-22 17:13:50,960 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:13:50,960 INFO ]: Found specification of procedure False [2018-06-22 17:13:50,960 INFO ]: Found implementation of procedure False [2018-06-22 17:13:50,960 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:13:50,960 INFO ]: Found specification of procedure state [2018-06-22 17:13:50,960 INFO ]: Found implementation of procedure state [2018-06-22 17:13:50,960 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:13:50,960 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:13:50,960 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:13:51,507 INFO ]: Using library mode [2018-06-22 17:13:51,507 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:13:51 BoogieIcfgContainer [2018-06-22 17:13:51,507 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:13:51,509 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:13:51,509 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:13:51,513 INFO ]: TraceAbstraction initialized [2018-06-22 17:13:51,513 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:13:50" (1/3) ... [2018-06-22 17:13:51,514 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6b7214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:13:51, skipping insertion in model container [2018-06-22 17:13:51,514 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:13:50" (2/3) ... [2018-06-22 17:13:51,514 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6b7214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:13:51, skipping insertion in model container [2018-06-22 17:13:51,514 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:13:51" (3/3) ... [2018-06-22 17:13:51,516 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:13:51,525 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:13:51,533 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:13:51,583 INFO ]: Using default assertion order modulation [2018-06-22 17:13:51,583 INFO ]: Interprodecural is true [2018-06-22 17:13:51,583 INFO ]: Hoare is false [2018-06-22 17:13:51,584 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:13:51,584 INFO ]: Backedges is TWOTRACK [2018-06-22 17:13:51,584 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:13:51,584 INFO ]: Difference is false [2018-06-22 17:13:51,584 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:13:51,584 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:13:51,601 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:13:51,616 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:13:51,616 INFO ]: Found error trace [2018-06-22 17:13:51,617 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:13:51,617 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:13:51,623 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:13:51,625 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:13:51,625 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:13:51,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:13:51,673 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:13:51,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:13:51,819 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:13:52,240 WARN ]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2018-06-22 17:13:52,243 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:13:52,245 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:13:52,245 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:13:52,247 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:13:52,262 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:13:52,262 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:13:52,265 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:13:52,423 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:13:52,423 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:13:52,424 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:13:52,425 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:13:52,426 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:13:52,438 INFO ]: With dead ends: 13 [2018-06-22 17:13:52,438 INFO ]: Without dead ends: 13 [2018-06-22 17:13:52,443 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 17:13:52,460 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:13:52,495 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:13:52,496 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:13:52,497 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:13:52,498 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:13:52,498 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:13:52,498 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:13:52,498 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:13:52,498 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:13:52,500 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:13:52,500 INFO ]: Found error trace [2018-06-22 17:13:52,500 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:13:52,500 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:13:52,500 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:13:52,500 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:13:52,500 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:13:52,501 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:13:52,501 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:13:52,501 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:13:52,732 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:13:57,686 WARN ]: Spent 4.30 s on a formula simplification. DAG size of input: 561 DAG size of output: 308 [2018-06-22 17:13:57,912 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:13:57,913 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:13:57,913 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 17:13:57,930 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:13:58,117 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:13:58,141 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:14:58,601 INFO ]: Timeout while computing interpolants [2018-06-22 17:14:58,802 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:14:58,802 WARN ]: Verification canceled [2018-06-22 17:14:58,806 WARN ]: Timeout [2018-06-22 17:14:58,807 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:14:58 BoogieIcfgContainer [2018-06-22 17:14:58,807 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:14:58,807 INFO ]: Toolchain (without parser) took 68024.05 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.8 MB in the beginning and 329.1 MB in the end (delta: -98.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:14:58,808 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:14:58,809 INFO ]: ChcToBoogie took 71.16 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:14:58,809 INFO ]: Boogie Preprocessor took 65.39 ms. Allocated memory is still 308.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:14:58,809 INFO ]: RCFGBuilder took 575.54 ms. Allocated memory was 308.3 MB in the beginning and 325.1 MB in the end (delta: 16.8 MB). Free memory was 224.8 MB in the beginning and 284.7 MB in the end (delta: -59.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:14:58,816 INFO ]: TraceAbstraction took 67297.80 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 284.7 MB in the beginning and 329.1 MB in the end (delta: -44.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:14:58,818 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 71.16 ms. Allocated memory is still 308.3 MB. Free memory was 230.8 MB in the beginning and 226.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.39 ms. Allocated memory is still 308.3 MB. Free memory was 226.8 MB in the beginning and 224.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 575.54 ms. Allocated memory was 308.3 MB in the beginning and 325.1 MB in the end (delta: 16.8 MB). Free memory was 224.8 MB in the beginning and 284.7 MB in the end (delta: -59.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67297.80 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 284.7 MB in the beginning and 329.1 MB in the end (delta: -44.5 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 62 quantified variables from 80 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.2s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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_all_e2_1514.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-14-58-837.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all_e2_1514.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-14-58-837.csv Completed graceful shutdown