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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e2_5774.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:16:25,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:16:25,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:16:25,291 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:16:25,291 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:16:25,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:16:25,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:16:25,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:16:25,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:16:25,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:16:25,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:16:25,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:16:25,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:16:25,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:16:25,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:16:25,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:16:25,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:16:25,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:16:25,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:16:25,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:16:25,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:16:25,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:16:25,327 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:16:25,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:16:25,328 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:16:25,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:16:25,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:16:25,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:16:25,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:16:25,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:16:25,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:16:25,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:16:25,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:16:25,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:16:25,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:16:25,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:16:25,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:16:25,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:16:25,362 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:16:25,363 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:16:25,364 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:16:25,364 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:16:25,364 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:16:25,364 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:16:25,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:16:25,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:16:25,365 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:16:25,365 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:16:25,365 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:16:25,365 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:16:25,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:16:25,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:16:25,366 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:16:25,367 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:16:25,368 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:16:25,422 INFO ]: Repository-Root is: /tmp [2018-06-22 07:16:25,438 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:16:25,442 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:16:25,443 INFO ]: Initializing SmtParser... [2018-06-22 07:16:25,443 INFO ]: SmtParser initialized [2018-06-22 07:16:25,444 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e2_5774.smt2 [2018-06-22 07:16:25,445 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 07:16:25,541 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e2_5774.smt2 unknown [2018-06-22 07:16:26,211 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_all2_e3_4612_e2_5774.smt2 [2018-06-22 07:16:26,215 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:16:26,221 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:16:26,222 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:16:26,222 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:16:26,222 INFO ]: ChcToBoogie initialized [2018-06-22 07:16:26,230 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,395 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26 Unit [2018-06-22 07:16:26,395 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:16:26,396 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:16:26,396 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:16:26,396 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:16:26,419 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,419 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,437 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,437 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,452 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,454 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,459 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (1/1) ... [2018-06-22 07:16:26,467 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:16:26,467 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:16:26,467 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:16:26,467 INFO ]: RCFGBuilder initialized [2018-06-22 07:16:26,468 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (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 07:16:26,493 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:16:26,493 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:16:26,493 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:16:26,493 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:16:26,493 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:16:26,493 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 07:16:27,136 INFO ]: Using library mode [2018-06-22 07:16:27,136 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:16:27 BoogieIcfgContainer [2018-06-22 07:16:27,137 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:16:27,138 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:16:27,138 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:16:27,144 INFO ]: TraceAbstraction initialized [2018-06-22 07:16:27,144 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:16:26" (1/3) ... [2018-06-22 07:16:27,145 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1b7135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:16:27, skipping insertion in model container [2018-06-22 07:16:27,145 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:16:26" (2/3) ... [2018-06-22 07:16:27,145 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1b7135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:16:27, skipping insertion in model container [2018-06-22 07:16:27,145 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:16:27" (3/3) ... [2018-06-22 07:16:27,148 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:16:27,158 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:16:27,170 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:16:27,221 INFO ]: Using default assertion order modulation [2018-06-22 07:16:27,221 INFO ]: Interprodecural is true [2018-06-22 07:16:27,221 INFO ]: Hoare is false [2018-06-22 07:16:27,222 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:16:27,222 INFO ]: Backedges is TWOTRACK [2018-06-22 07:16:27,222 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:16:27,222 INFO ]: Difference is false [2018-06-22 07:16:27,222 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:16:27,222 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:16:27,239 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:16:27,251 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:16:27,251 INFO ]: Found error trace [2018-06-22 07:16:27,252 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:16:27,252 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:16:27,257 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 07:16:27,259 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:16:27,260 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:16:27,312 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:16:27,312 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:16:27,312 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:16:27,530 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:16:27,904 WARN ]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 2 [2018-06-22 07:16:27,908 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:16:27,911 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:16:27,911 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:16:27,913 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:16:27,930 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:16:27,930 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:16:27,933 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:16:28,069 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:16:28,071 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:16:28,072 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:16:28,073 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:16:28,074 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:16:28,087 INFO ]: With dead ends: 9 [2018-06-22 07:16:28,087 INFO ]: Without dead ends: 9 [2018-06-22 07:16:28,089 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:16:28,111 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:16:28,141 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:16:28,143 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:16:28,143 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:16:28,151 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:16:28,152 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:16:28,152 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:16:28,152 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:16:28,152 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:16:28,152 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:16:28,152 INFO ]: Found error trace [2018-06-22 07:16:28,152 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:16:28,152 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:16:28,152 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 07:16:28,152 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:16:28,152 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:16:28,153 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:16:28,153 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:16:28,153 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:16:28,595 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:16:29,272 WARN ]: Spent 207.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 2 [2018-06-22 07:16:29,729 WARN ]: Spent 434.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2018-06-22 07:16:29,731 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:16:29,731 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:16:29,731 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 07:16:29,740 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:16:29,976 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:16:29,998 INFO ]: Computing forward predicates... [2018-06-22 07:16:31,172 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:16:31,205 WARN ]: expecting exponential blowup for input size 122 Received shutdown request... [2018-06-22 07:17:15,358 INFO ]: Timeout while computing interpolants [2018-06-22 07:17:15,559 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:17:15,559 WARN ]: Verification canceled [2018-06-22 07:17:15,589 WARN ]: Timeout [2018-06-22 07:17:15,589 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:17:15 BoogieIcfgContainer [2018-06-22 07:17:15,589 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:17:15,598 INFO ]: Toolchain (without parser) took 49382.42 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 224.8 MB in the beginning and 870.1 MB in the end (delta: -645.4 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:17:15,599 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:17:15,599 INFO ]: ChcToBoogie took 173.89 ms. Allocated memory is still 309.3 MB. Free memory was 223.8 MB in the beginning and 219.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:17:15,600 INFO ]: Boogie Preprocessor took 70.64 ms. Allocated memory is still 309.3 MB. Free memory was 219.8 MB in the beginning and 217.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:17:15,600 INFO ]: RCFGBuilder took 669.23 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 217.8 MB in the beginning and 250.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:17:15,600 INFO ]: TraceAbstraction took 48451.01 ms. Allocated memory was 327.2 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 250.0 MB in the beginning and 870.1 MB in the end (delta: -620.1 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:17:15,613 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 173.89 ms. Allocated memory is still 309.3 MB. Free memory was 223.8 MB in the beginning and 219.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.64 ms. Allocated memory is still 309.3 MB. Free memory was 219.8 MB in the beginning and 217.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 669.23 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 217.8 MB in the beginning and 250.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 48451.01 ms. Allocated memory was 327.2 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 250.0 MB in the beginning and 870.1 MB in the end (delta: -620.1 MB). Peak memory consumption was 3.3 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 122 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 48.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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_e2_5774.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-17-15-642.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_all2_e3_4612_e2_5774.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-17-15-642.csv Completed graceful shutdown