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_e2_2799_e2_2251.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:44:39,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:44:39,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:44:39,946 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:44:39,946 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:44:39,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:44:39,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:44:39,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:44:39,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:44:39,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:44:39,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:44:39,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:44:39,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:44:39,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:44:39,956 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:44:39,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:44:39,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:44:39,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:44:39,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:44:39,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:44:39,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:44:39,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:44:39,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:44:39,979 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:44:39,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:44:39,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:44:39,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:44:39,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:44:39,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:44:39,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:44:39,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:44:39,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:44:39,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:44:39,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:44:39,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:44:39,989 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 16:44:40,005 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:44:40,006 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:44:40,006 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:44:40,006 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:44:40,007 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:44:40,007 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:44:40,008 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:44:40,008 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:44:40,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:44:40,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:44:40,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:44:40,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:44:40,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:44:40,010 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:44:40,011 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:44:40,012 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:44:40,060 INFO ]: Repository-Root is: /tmp [2018-06-22 16:44:40,076 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:44:40,081 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:44:40,082 INFO ]: Initializing SmtParser... [2018-06-22 16:44:40,083 INFO ]: SmtParser initialized [2018-06-22 16:44:40,084 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e2_2251.smt2 [2018-06-22 16:44:40,085 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 16:44:40,172 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e2_2251.smt2 unknown [2018-06-22 16:44:40,816 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_4_e2_2799_e2_2251.smt2 [2018-06-22 16:44:40,820 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:44:40,828 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:44:40,828 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:44:40,828 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:44:40,828 INFO ]: ChcToBoogie initialized [2018-06-22 16:44:40,831 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,903 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40 Unit [2018-06-22 16:44:40,903 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:44:40,904 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:44:40,904 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:44:40,904 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:44:40,939 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,939 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,960 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,961 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,973 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,974 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,978 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (1/1) ... [2018-06-22 16:44:40,983 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:44:40,983 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:44:40,983 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:44:40,983 INFO ]: RCFGBuilder initialized [2018-06-22 16:44:40,984 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (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 16:44:41,005 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:44:41,005 INFO ]: Found specification of procedure False [2018-06-22 16:44:41,005 INFO ]: Found implementation of procedure False [2018-06-22 16:44:41,005 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:44:41,005 INFO ]: Found specification of procedure state [2018-06-22 16:44:41,005 INFO ]: Found implementation of procedure state [2018-06-22 16:44:41,005 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:44:41,005 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:44:41,005 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 16:44:41,460 INFO ]: Using library mode [2018-06-22 16:44:41,460 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:44:41 BoogieIcfgContainer [2018-06-22 16:44:41,460 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:44:41,461 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:44:41,461 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:44:41,467 INFO ]: TraceAbstraction initialized [2018-06-22 16:44:41,467 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:44:40" (1/3) ... [2018-06-22 16:44:41,468 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12095a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:44:41, skipping insertion in model container [2018-06-22 16:44:41,468 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:44:40" (2/3) ... [2018-06-22 16:44:41,468 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12095a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:44:41, skipping insertion in model container [2018-06-22 16:44:41,468 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:44:41" (3/3) ... [2018-06-22 16:44:41,470 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:44:41,479 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:44:41,489 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:44:41,540 INFO ]: Using default assertion order modulation [2018-06-22 16:44:41,541 INFO ]: Interprodecural is true [2018-06-22 16:44:41,541 INFO ]: Hoare is false [2018-06-22 16:44:41,541 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:44:41,541 INFO ]: Backedges is TWOTRACK [2018-06-22 16:44:41,541 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:44:41,541 INFO ]: Difference is false [2018-06-22 16:44:41,541 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:44:41,541 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:44:41,558 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:44:41,572 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:44:41,572 INFO ]: Found error trace [2018-06-22 16:44:41,573 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:44:41,573 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:44:41,580 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 16:44:41,582 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:44:41,582 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:44:41,629 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:41,630 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:41,630 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:41,763 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:42,119 WARN ]: Spent 102.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 16:44:42,122 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:44:42,124 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:44:42,124 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:44:42,126 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:44:42,141 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:44:42,141 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:44:42,145 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:44:42,304 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:44:42,305 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:44:42,306 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:44:42,308 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:44:42,308 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:44:42,322 INFO ]: With dead ends: 13 [2018-06-22 16:44:42,322 INFO ]: Without dead ends: 13 [2018-06-22 16:44:42,324 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 16:44:42,344 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:44:42,374 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:44:42,375 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:44:42,376 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:44:42,377 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:44:42,378 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:44:42,378 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:44:42,378 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:44:42,378 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:44:42,379 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:44:42,379 INFO ]: Found error trace [2018-06-22 16:44:42,379 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:44:42,379 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:44:42,380 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 16:44:42,380 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:44:42,380 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:44:42,381 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:42,381 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:42,381 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:44:42,519 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:43,991 WARN ]: Spent 1.13 s on a formula simplification. DAG size of input: 136 DAG size of output: 70 [2018-06-22 16:44:44,165 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:44:44,165 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:44:44,165 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 16:44:44,172 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:44:44,352 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:44:44,366 INFO ]: Computing forward predicates... [2018-06-22 16:44:46,789 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:44:46,797 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 16:44:51,875 WARN ]: Simplifying disjunction of 344088 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:45:56,021 INFO ]: Timeout while computing interpolants [2018-06-22 16:45:56,221 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:45:56,222 WARN ]: Verification canceled [2018-06-22 16:45:56,226 WARN ]: Timeout [2018-06-22 16:45:56,227 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:45:56 BoogieIcfgContainer [2018-06-22 16:45:56,227 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:45:56,228 INFO ]: Toolchain (without parser) took 75406.71 ms. Allocated memory was 306.7 MB in the beginning and 1.1 GB in the end (delta: 793.8 MB). Free memory was 229.2 MB in the beginning and 639.8 MB in the end (delta: -410.6 MB). Peak memory consumption was 584.2 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:56,229 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:45:56,229 INFO ]: ChcToBoogie took 75.51 ms. Allocated memory is still 306.7 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:56,229 INFO ]: Boogie Preprocessor took 79.05 ms. Allocated memory is still 306.7 MB. Free memory was 227.2 MB in the beginning and 225.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:56,230 INFO ]: RCFGBuilder took 477.04 ms. Allocated memory was 306.7 MB in the beginning and 324.5 MB in the end (delta: 17.8 MB). Free memory was 225.2 MB in the beginning and 286.2 MB in the end (delta: -61.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:56,230 INFO ]: TraceAbstraction took 74765.40 ms. Allocated memory was 324.5 MB in the beginning and 1.1 GB in the end (delta: 775.9 MB). Free memory was 286.2 MB in the beginning and 639.8 MB in the end (delta: -353.6 MB). Peak memory consumption was 623.4 MB. Max. memory is 3.6 GB. [2018-06-22 16:45:56,245 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 75.51 ms. Allocated memory is still 306.7 MB. Free memory was 229.2 MB in the beginning and 227.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 79.05 ms. Allocated memory is still 306.7 MB. Free memory was 227.2 MB in the beginning and 225.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 477.04 ms. Allocated memory was 306.7 MB in the beginning and 324.5 MB in the end (delta: 17.8 MB). Free memory was 225.2 MB in the beginning and 286.2 MB in the end (delta: -61.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74765.40 ms. Allocated memory was 324.5 MB in the beginning and 1.1 GB in the end (delta: 775.9 MB). Free memory was 286.2 MB in the beginning and 639.8 MB in the end (delta: -353.6 MB). Peak memory consumption was 623.4 MB. 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 XNF transformer was simplifying 344088 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.6s 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_e2_2799_e2_2251.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-45-56-262.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_4_e2_2799_e2_2251.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-45-56-262.csv Completed graceful shutdown