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_all2_e3_4612_e1_6463.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:07:36,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:07:36,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:07:36,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:07:36,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:07:36,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:07:36,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:07:36,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:07:36,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:07:36,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:07:36,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:07:36,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:07:36,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:07:36,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:07:36,310 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:07:36,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:07:36,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:07:36,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:07:36,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:07:36,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:07:36,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:07:36,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:07:36,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:07:36,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:07:36,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:07:36,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:07:36,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:07:36,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:07:36,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:07:36,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:07:36,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:07:36,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:07:36,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:07:36,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:07:36,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:07:36,330 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 17:07:36,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:07:36,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:07:36,343 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:07:36,343 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:07:36,344 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:07:36,345 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:07:36,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:07:36,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:07:36,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:07:36,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:07:36,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:07:36,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:07:36,346 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:07:36,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:07:36,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:07:36,347 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:07:36,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:07:36,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:07:36,347 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:07:36,349 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:07:36,349 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:07:36,389 INFO ]: Repository-Root is: /tmp [2018-06-22 17:07:36,404 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:07:36,410 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:07:36,411 INFO ]: Initializing SmtParser... [2018-06-22 17:07:36,411 INFO ]: SmtParser initialized [2018-06-22 17:07:36,412 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e1_6463.smt2 [2018-06-22 17:07:36,413 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 17:07:36,504 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e1_6463.smt2 unknown [2018-06-22 17:07:37,241 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e1_6463.smt2 [2018-06-22 17:07:37,245 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:07:37,259 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:07:37,260 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:07:37,260 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:07:37,260 INFO ]: ChcToBoogie initialized [2018-06-22 17:07:37,265 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,371 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37 Unit [2018-06-22 17:07:37,371 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:07:37,372 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:07:37,372 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:07:37,372 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:07:37,393 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,393 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,420 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,420 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,431 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,433 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,437 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... [2018-06-22 17:07:37,443 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:07:37,444 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:07:37,444 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:07:37,444 INFO ]: RCFGBuilder initialized [2018-06-22 17:07:37,445 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 17:07:37,457 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:07:37,457 INFO ]: Found specification of procedure False [2018-06-22 17:07:37,457 INFO ]: Found implementation of procedure False [2018-06-22 17:07:37,457 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:07:37,457 INFO ]: Found specification of procedure state [2018-06-22 17:07:37,457 INFO ]: Found implementation of procedure state [2018-06-22 17:07:37,457 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:07:37,457 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:07:37,457 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 17:07:38,038 INFO ]: Using library mode [2018-06-22 17:07:38,038 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:07:38 BoogieIcfgContainer [2018-06-22 17:07:38,039 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:07:38,040 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:07:38,040 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:07:38,047 INFO ]: TraceAbstraction initialized [2018-06-22 17:07:38,047 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:07:37" (1/3) ... [2018-06-22 17:07:38,048 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76da0eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:07:38, skipping insertion in model container [2018-06-22 17:07:38,048 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:07:37" (2/3) ... [2018-06-22 17:07:38,048 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76da0eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:07:38, skipping insertion in model container [2018-06-22 17:07:38,048 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:07:38" (3/3) ... [2018-06-22 17:07:38,050 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:07:38,060 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:07:38,070 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:07:38,120 INFO ]: Using default assertion order modulation [2018-06-22 17:07:38,121 INFO ]: Interprodecural is true [2018-06-22 17:07:38,121 INFO ]: Hoare is false [2018-06-22 17:07:38,121 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:07:38,121 INFO ]: Backedges is TWOTRACK [2018-06-22 17:07:38,121 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:07:38,121 INFO ]: Difference is false [2018-06-22 17:07:38,121 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:07:38,121 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:07:38,139 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:07:38,160 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:07:38,160 INFO ]: Found error trace [2018-06-22 17:07:38,162 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:07:38,162 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:07:38,168 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:07:38,170 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:07:38,171 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:07:38,220 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:07:38,220 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:07:38,220 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:07:38,415 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:07:39,571 WARN ]: Spent 786.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 30 [2018-06-22 17:07:39,574 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:07:39,577 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:07:39,577 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:07:39,579 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:07:39,593 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:07:39,594 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:07:39,596 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:07:39,732 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:07:39,732 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:07:39,733 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:07:39,734 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:07:39,734 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:07:39,744 INFO ]: With dead ends: 13 [2018-06-22 17:07:39,744 INFO ]: Without dead ends: 13 [2018-06-22 17:07:39,746 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:07:39,763 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:07:39,783 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:07:39,784 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:07:39,785 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:07:39,786 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:07:39,786 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:07:39,786 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:07:39,786 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:07:39,786 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:07:39,787 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:07:39,787 INFO ]: Found error trace [2018-06-22 17:07:39,787 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:07:39,788 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:07:39,788 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:07:39,788 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:07:39,788 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:07:39,789 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:07:39,789 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:07:39,789 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:07:39,961 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:07:44,320 WARN ]: Spent 3.63 s on a formula simplification. DAG size of input: 681 DAG size of output: 345 [2018-06-22 17:07:44,564 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:07:44,564 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:07:44,564 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) [2018-06-22 17:07:44,582 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:07:44,774 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:07:44,802 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:08:47,976 INFO ]: Timeout while computing interpolants [2018-06-22 17:08:48,177 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:08:48,177 WARN ]: Verification canceled [2018-06-22 17:08:48,182 WARN ]: Timeout [2018-06-22 17:08:48,182 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:08:48 BoogieIcfgContainer [2018-06-22 17:08:48,182 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:08:48,183 INFO ]: Toolchain (without parser) took 70937.86 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 220.8 MB in the beginning and 188.4 MB in the end (delta: 32.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:08:48,184 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:08:48,184 INFO ]: ChcToBoogie took 112.21 ms. Allocated memory is still 305.1 MB. Free memory was 219.8 MB in the beginning and 216.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:08:48,198 INFO ]: Boogie Preprocessor took 71.10 ms. Allocated memory is still 305.1 MB. Free memory was 216.8 MB in the beginning and 213.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:08:48,199 INFO ]: RCFGBuilder took 594.82 ms. Allocated memory was 305.1 MB in the beginning and 323.0 MB in the end (delta: 17.8 MB). Free memory was 213.8 MB in the beginning and 267.1 MB in the end (delta: -53.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:08:48,199 INFO ]: TraceAbstraction took 70142.43 ms. Allocated memory was 323.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 267.1 MB in the beginning and 188.4 MB in the end (delta: 78.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:08:48,201 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 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 112.21 ms. Allocated memory is still 305.1 MB. Free memory was 219.8 MB in the beginning and 216.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 71.10 ms. Allocated memory is still 305.1 MB. Free memory was 216.8 MB in the beginning and 213.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 594.82 ms. Allocated memory was 305.1 MB in the beginning and 323.0 MB in the end (delta: 17.8 MB). Free memory was 213.8 MB in the beginning and 267.1 MB in the end (delta: -53.3 MB). Peak memory consumption was 35.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70142.43 ms. Allocated memory was 323.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 267.1 MB in the beginning and 188.4 MB in the end (delta: 78.7 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 108 quantified variables from 140 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.0s 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, 0.9s 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, 1.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 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_all2_e3_4612_e1_6463.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-08-48-218.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all2_e3_4612_e1_6463.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-08-48-218.csv Completed graceful shutdown