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_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:36:25,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:36:25,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:36:25,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:36:25,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:36:25,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:36:25,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:36:25,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:36:25,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:36:25,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:36:25,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:36:25,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:36:25,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:36:25,929 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:36:25,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:36:25,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:36:25,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:36:25,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:36:25,949 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:36:25,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:36:25,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:36:25,953 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:36:25,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:36:25,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:36:25,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:36:25,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:36:25,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:36:25,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:36:25,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:36:25,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:36:25,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:36:25,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:36:25,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:36:25,965 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:36:25,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:36:25,966 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 16:36:25,983 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:36:25,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:36:25,983 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:36:25,983 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:36:25,984 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:36:25,984 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:36:25,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:36:25,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:36:25,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:36:25,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:36:25,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:36:25,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:36:25,986 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:36:25,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:36:25,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:36:25,986 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:36:25,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:36:25,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:36:25,987 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:36:25,988 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:36:25,988 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:36:26,030 INFO ]: Repository-Root is: /tmp [2018-06-22 16:36:26,044 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:36:26,048 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:36:26,049 INFO ]: Initializing SmtParser... [2018-06-22 16:36:26,049 INFO ]: SmtParser initialized [2018-06-22 16:36:26,050 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1.smt2 [2018-06-22 16:36:26,051 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 16:36:26,145 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1.smt2 unknown [2018-06-22 16:36:26,901 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_1.smt2 [2018-06-22 16:36:26,906 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:36:26,921 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:36:26,921 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:36:26,921 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:36:26,921 INFO ]: ChcToBoogie initialized [2018-06-22 16:36:26,924 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:36:26" (1/1) ... [2018-06-22 16:36:27,028 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27 Unit [2018-06-22 16:36:27,029 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:36:27,029 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:36:27,029 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:36:27,029 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:36:27,048 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,048 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,062 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,063 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,076 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,077 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,081 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (1/1) ... [2018-06-22 16:36:27,096 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:36:27,097 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:36:27,097 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:36:27,097 INFO ]: RCFGBuilder initialized [2018-06-22 16:36:27,103 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (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 16:36:27,118 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:36:27,118 INFO ]: Found specification of procedure False [2018-06-22 16:36:27,118 INFO ]: Found implementation of procedure False [2018-06-22 16:36:27,118 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:36:27,118 INFO ]: Found specification of procedure state [2018-06-22 16:36:27,118 INFO ]: Found implementation of procedure state [2018-06-22 16:36:27,118 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:36:27,118 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:36:27,118 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 16:36:27,566 INFO ]: Using library mode [2018-06-22 16:36:27,566 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:36:27 BoogieIcfgContainer [2018-06-22 16:36:27,566 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:36:27,571 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:36:27,571 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:36:27,574 INFO ]: TraceAbstraction initialized [2018-06-22 16:36:27,574 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:36:26" (1/3) ... [2018-06-22 16:36:27,575 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c764a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:36:27, skipping insertion in model container [2018-06-22 16:36:27,575 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:36:27" (2/3) ... [2018-06-22 16:36:27,575 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c764a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:36:27, skipping insertion in model container [2018-06-22 16:36:27,575 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:36:27" (3/3) ... [2018-06-22 16:36:27,578 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:36:27,588 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:36:27,599 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:36:27,649 INFO ]: Using default assertion order modulation [2018-06-22 16:36:27,649 INFO ]: Interprodecural is true [2018-06-22 16:36:27,649 INFO ]: Hoare is false [2018-06-22 16:36:27,649 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:36:27,649 INFO ]: Backedges is TWOTRACK [2018-06-22 16:36:27,650 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:36:27,650 INFO ]: Difference is false [2018-06-22 16:36:27,650 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:36:27,650 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:36:27,666 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:36:27,678 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:36:27,679 INFO ]: Found error trace [2018-06-22 16:36:27,679 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:36:27,680 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:36:27,686 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:36:27,688 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:36:27,689 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:36:27,736 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:36:27,736 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:36:27,736 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:36:27,856 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:36:28,123 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:36:28,125 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:36:28,125 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:36:28,126 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:36:28,136 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:36:28,137 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:36:28,138 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:36:28,298 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:36:28,299 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:36:28,300 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:36:28,301 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:36:28,301 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:36:28,314 INFO ]: With dead ends: 13 [2018-06-22 16:36:28,314 INFO ]: Without dead ends: 13 [2018-06-22 16:36:28,316 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:36:28,334 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:36:28,373 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:36:28,374 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:36:28,375 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:36:28,376 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:36:28,377 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:36:28,377 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:36:28,377 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:36:28,377 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:36:28,378 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:36:28,378 INFO ]: Found error trace [2018-06-22 16:36:28,378 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:36:28,378 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:36:28,378 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:36:28,378 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:36:28,378 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:36:28,379 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:36:28,379 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:36:28,379 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:36:28,510 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:36:30,126 WARN ]: Spent 1.26 s on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2018-06-22 16:36:30,171 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:36:30,171 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:36:30,171 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 16:36:30,180 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:36:30,383 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:36:30,399 INFO ]: Computing forward predicates... [2018-06-22 16:36:33,436 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 16:36:33,592 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 16:36:33,653 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 16:36:34,718 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 16:36:34,742 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 16:36:34,980 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 16:36:35,379 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... Received shutdown request... [2018-06-22 16:37:45,001 INFO ]: Timeout while computing interpolants [2018-06-22 16:37:45,201 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:37:45,201 WARN ]: Verification canceled [2018-06-22 16:37:45,207 WARN ]: Timeout [2018-06-22 16:37:45,208 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:37:45 BoogieIcfgContainer [2018-06-22 16:37:45,214 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:37:45,215 INFO ]: Toolchain (without parser) took 78308.90 ms. Allocated memory was 306.7 MB in the beginning and 468.2 MB in the end (delta: 161.5 MB). Free memory was 230.3 MB in the beginning and 328.5 MB in the end (delta: -98.2 MB). Peak memory consumption was 230.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:37:45,216 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:37:45,216 INFO ]: ChcToBoogie took 107.77 ms. Allocated memory is still 306.7 MB. Free memory was 229.3 MB in the beginning and 226.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:37:45,217 INFO ]: Boogie Preprocessor took 67.10 ms. Allocated memory is still 306.7 MB. Free memory was 226.3 MB in the beginning and 224.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:37:45,217 INFO ]: RCFGBuilder took 469.61 ms. Allocated memory was 306.7 MB in the beginning and 324.0 MB in the end (delta: 17.3 MB). Free memory was 224.3 MB in the beginning and 287.9 MB in the end (delta: -63.6 MB). Peak memory consumption was 44.1 MB. Max. memory is 3.6 GB. [2018-06-22 16:37:45,218 INFO ]: TraceAbstraction took 77643.32 ms. Allocated memory was 324.0 MB in the beginning and 468.2 MB in the end (delta: 144.2 MB). Free memory was 287.9 MB in the beginning and 328.5 MB in the end (delta: -40.6 MB). Peak memory consumption was 270.4 MB. Max. memory is 3.6 GB. [2018-06-22 16:37:45,233 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 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 107.77 ms. Allocated memory is still 306.7 MB. Free memory was 229.3 MB in the beginning and 226.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.10 ms. Allocated memory is still 306.7 MB. Free memory was 226.3 MB in the beginning and 224.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 469.61 ms. Allocated memory was 306.7 MB in the beginning and 324.0 MB in the end (delta: 17.3 MB). Free memory was 224.3 MB in the beginning and 287.9 MB in the end (delta: -63.6 MB). Peak memory consumption was 44.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 77643.32 ms. Allocated memory was 324.0 MB in the beginning and 468.2 MB in the end (delta: 144.2 MB). Free memory was 287.9 MB in the beginning and 328.5 MB in the end (delta: -40.6 MB). Peak memory consumption was 270.4 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 20736 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 77.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-37-45-248.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-37-45-248.csv Completed graceful shutdown