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_9.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:06:51,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:06:51,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:06:51,224 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:06:51,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:06:51,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:06:51,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:06:51,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:06:51,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:06:51,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:06:51,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:06:51,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:06:51,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:06:51,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:06:51,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:06:51,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:06:51,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:06:51,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:06:51,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:06:51,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:06:51,250 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:06:51,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:06:51,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:06:51,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:06:51,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:06:51,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:06:51,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:06:51,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:06:51,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:06:51,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:06:51,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:06:51,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:06:51,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:06:51,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:06:51,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:06:51,277 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 17:06:51,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:06:51,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:06:51,295 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:06:51,295 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:06:51,296 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:06:51,296 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:06:51,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:06:51,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:06:51,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:06:51,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:06:51,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:06:51,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:06:51,298 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:06:51,299 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:06:51,301 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:06:51,301 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:06:51,346 INFO ]: Repository-Root is: /tmp [2018-06-22 17:06:51,364 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:06:51,370 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:06:51,372 INFO ]: Initializing SmtParser... [2018-06-22 17:06:51,372 INFO ]: SmtParser initialized [2018-06-22 17:06:51,373 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9.smt2 [2018-06-22 17:06:51,375 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 17:06:51,448 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9.smt2 unknown [2018-06-22 17:06:52,129 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9.smt2 [2018-06-22 17:06:52,134 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:06:52,139 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:06:52,140 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:06:52,140 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:06:52,140 INFO ]: ChcToBoogie initialized [2018-06-22 17:06:52,143 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,206 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52 Unit [2018-06-22 17:06:52,206 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:06:52,207 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:06:52,207 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:06:52,207 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:06:52,234 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,234 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,268 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,268 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,288 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,290 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,294 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... [2018-06-22 17:06:52,304 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:06:52,304 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:06:52,304 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:06:52,304 INFO ]: RCFGBuilder initialized [2018-06-22 17:06:52,305 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:06:52,317 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:06:52,317 INFO ]: Found specification of procedure False [2018-06-22 17:06:52,317 INFO ]: Found implementation of procedure False [2018-06-22 17:06:52,317 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:06:52,317 INFO ]: Found specification of procedure state [2018-06-22 17:06:52,317 INFO ]: Found implementation of procedure state [2018-06-22 17:06:52,317 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:06:52,317 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:06:52,317 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:06:52,871 INFO ]: Using library mode [2018-06-22 17:06:52,872 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:06:52 BoogieIcfgContainer [2018-06-22 17:06:52,872 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:06:52,875 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:06:52,875 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:06:52,878 INFO ]: TraceAbstraction initialized [2018-06-22 17:06:52,879 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:06:52" (1/3) ... [2018-06-22 17:06:52,881 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28683b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:06:52, skipping insertion in model container [2018-06-22 17:06:52,881 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:06:52" (2/3) ... [2018-06-22 17:06:52,881 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28683b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:06:52, skipping insertion in model container [2018-06-22 17:06:52,881 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:06:52" (3/3) ... [2018-06-22 17:06:52,883 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:06:52,893 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:06:52,902 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:06:52,943 INFO ]: Using default assertion order modulation [2018-06-22 17:06:52,943 INFO ]: Interprodecural is true [2018-06-22 17:06:52,943 INFO ]: Hoare is false [2018-06-22 17:06:52,943 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:06:52,943 INFO ]: Backedges is TWOTRACK [2018-06-22 17:06:52,943 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:06:52,943 INFO ]: Difference is false [2018-06-22 17:06:52,943 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:06:52,943 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:06:52,956 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:06:52,970 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:06:52,970 INFO ]: Found error trace [2018-06-22 17:06:52,972 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:06:52,973 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:06:52,978 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:06:52,979 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:06:52,980 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:06:53,015 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:06:53,015 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:06:53,015 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:06:53,157 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:06:53,432 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:06:53,434 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:06:53,434 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:06:53,435 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:06:53,446 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:06:53,446 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:06:53,450 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:06:53,611 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:06:53,612 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:06:53,613 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:06:53,614 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:06:53,615 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:06:53,625 INFO ]: With dead ends: 13 [2018-06-22 17:06:53,626 INFO ]: Without dead ends: 13 [2018-06-22 17:06:53,627 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 17:06:53,639 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:06:53,675 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:06:53,677 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:06:53,677 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:06:53,679 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:06:53,679 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:06:53,679 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:06:53,679 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:06:53,679 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:06:53,680 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:06:53,681 INFO ]: Found error trace [2018-06-22 17:06:53,681 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:06:53,681 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:06:53,681 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:06:53,681 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:06:53,681 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:06:53,682 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:06:53,682 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:06:53,682 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:06:53,810 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:06:55,166 WARN ]: Spent 977.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2018-06-22 17:06:55,217 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:06:55,217 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:06:55,217 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 17:06:55,226 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:06:55,410 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:06:55,424 INFO ]: Computing forward predicates... [2018-06-22 17:06:57,801 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 17:06:57,869 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 17:06:58,651 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 17:06:58,961 WARN ]: expecting exponential blowup for input size 9 Received shutdown request... [2018-06-22 17:07:41,849 INFO ]: Timeout while computing interpolants [2018-06-22 17:07:42,050 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:07:42,050 WARN ]: Verification canceled [2018-06-22 17:07:42,055 WARN ]: Timeout [2018-06-22 17:07:42,055 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:07:42 BoogieIcfgContainer [2018-06-22 17:07:42,055 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:07:42,056 INFO ]: Toolchain (without parser) took 49921.54 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 231.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:07:42,057 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:07:42,057 INFO ]: ChcToBoogie took 66.90 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 228.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:42,057 INFO ]: Boogie Preprocessor took 96.78 ms. Allocated memory is still 308.3 MB. Free memory was 228.7 MB in the beginning and 226.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:42,058 INFO ]: RCFGBuilder took 567.42 ms. Allocated memory was 308.3 MB in the beginning and 326.6 MB in the end (delta: 18.4 MB). Free memory was 226.7 MB in the beginning and 288.2 MB in the end (delta: -61.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:07:42,058 INFO ]: TraceAbstraction took 49179.72 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 288.2 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:07:42,068 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 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.90 ms. Allocated memory is still 308.3 MB. Free memory was 231.7 MB in the beginning and 228.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 96.78 ms. Allocated memory is still 308.3 MB. Free memory was 228.7 MB in the beginning and 226.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 567.42 ms. Allocated memory was 308.3 MB in the beginning and 326.6 MB in the end (delta: 18.4 MB). Free memory was 226.7 MB in the beginning and 288.2 MB in the end (delta: -61.5 MB). Peak memory consumption was 45.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49179.72 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 288.2 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 9 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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_9.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-07-42-081.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-07-42-081.csv Completed graceful shutdown