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/FIREFLY_u1_e2_3403_e2_957.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:33:32,170 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:33:32,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:33:32,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:33:32,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:33:32,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:33:32,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:33:32,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:33:32,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:33:32,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:33:32,192 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:33:32,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:33:32,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:33:32,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:33:32,195 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:33:32,196 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:33:32,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:33:32,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:33:32,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:33:32,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:33:32,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:33:32,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:33:32,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:33:32,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:33:32,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:33:32,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:33:32,231 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:33:32,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:33:32,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:33:32,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:33:32,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:33:32,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:33:32,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:33:32,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:33:32,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:33:32,240 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 18:33:32,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:33:32,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:33:32,264 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:33:32,264 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:33:32,265 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:33:32,265 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:33:32,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:33:32,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:33:32,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:33:32,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:33:32,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:33:32,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:33:32,267 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:33:32,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:33:32,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:33:32,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:33:32,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:33:32,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:33:32,268 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:33:32,270 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:33:32,270 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:33:32,314 INFO ]: Repository-Root is: /tmp [2018-06-22 18:33:32,332 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:33:32,340 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:33:32,342 INFO ]: Initializing SmtParser... [2018-06-22 18:33:32,342 INFO ]: SmtParser initialized [2018-06-22 18:33:32,342 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1_e2_3403_e2_957.smt2 [2018-06-22 18:33:32,344 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 18:33:32,438 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1_e2_3403_e2_957.smt2 unknown [2018-06-22 18:33:33,105 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_u1_e2_3403_e2_957.smt2 [2018-06-22 18:33:33,110 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:33:33,115 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:33:33,115 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:33:33,115 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:33:33,115 INFO ]: ChcToBoogie initialized [2018-06-22 18:33:33,118 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,198 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33 Unit [2018-06-22 18:33:33,198 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:33:33,199 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:33:33,199 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:33:33,199 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:33:33,220 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,220 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,242 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,242 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,259 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,260 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,268 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (1/1) ... [2018-06-22 18:33:33,271 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:33:33,272 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:33:33,272 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:33:33,272 INFO ]: RCFGBuilder initialized [2018-06-22 18:33:33,273 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (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 18:33:33,297 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:33:33,297 INFO ]: Found specification of procedure False [2018-06-22 18:33:33,297 INFO ]: Found implementation of procedure False [2018-06-22 18:33:33,297 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:33:33,297 INFO ]: Found specification of procedure state Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:33:33,297 INFO ]: Found implementation of procedure state [2018-06-22 18:33:33,297 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:33:33,297 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:33:33,297 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 18:33:33,624 INFO ]: Using library mode [2018-06-22 18:33:33,624 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:33:33 BoogieIcfgContainer [2018-06-22 18:33:33,624 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:33:33,626 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:33:33,626 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:33:33,631 INFO ]: TraceAbstraction initialized [2018-06-22 18:33:33,631 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:33:33" (1/3) ... [2018-06-22 18:33:33,632 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c9699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:33:33, skipping insertion in model container [2018-06-22 18:33:33,632 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:33:33" (2/3) ... [2018-06-22 18:33:33,632 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c9699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:33:33, skipping insertion in model container [2018-06-22 18:33:33,632 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:33:33" (3/3) ... [2018-06-22 18:33:33,634 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:33:33,643 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:33:33,653 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:33:33,686 INFO ]: Using default assertion order modulation [2018-06-22 18:33:33,687 INFO ]: Interprodecural is true [2018-06-22 18:33:33,687 INFO ]: Hoare is false [2018-06-22 18:33:33,687 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:33:33,687 INFO ]: Backedges is TWOTRACK [2018-06-22 18:33:33,687 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:33:33,687 INFO ]: Difference is false [2018-06-22 18:33:33,687 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:33:33,687 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:33:33,699 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:33:33,711 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:33:33,712 INFO ]: Found error trace [2018-06-22 18:33:33,712 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:33:33,713 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:33:33,718 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:33:33,722 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:33:33,722 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:33:33,754 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:33:33,754 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:33:33,754 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:33:33,863 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:33:34,048 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:33:34,050 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:33:34,050 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:33:34,052 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:33:34,067 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:33:34,067 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:33:34,070 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:33:34,244 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:33:34,245 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:33:34,245 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:33:34,246 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:33:34,247 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:33:34,263 INFO ]: With dead ends: 13 [2018-06-22 18:33:34,263 INFO ]: Without dead ends: 13 [2018-06-22 18:33:34,265 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:33:34,295 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:33:34,332 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:33:34,333 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:33:34,334 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:33:34,335 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:33:34,335 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:33:34,335 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:33:34,335 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:33:34,335 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:33:34,337 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:33:34,337 INFO ]: Found error trace [2018-06-22 18:33:34,337 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:33:34,337 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:33:34,337 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:33:34,337 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:33:34,337 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:33:34,338 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:33:34,338 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:33:34,338 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:33:34,442 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:33:35,100 WARN ]: Spent 377.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2018-06-22 18:33:35,181 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:33:35,181 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:33:35,181 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 18:33:35,189 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:33:35,336 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:33:35,349 INFO ]: Computing forward predicates... [2018-06-22 18:33:35,543 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 18:33:35,558 WARN ]: expecting exponential blowup for input size 19 Received shutdown request... [2018-06-22 18:34:23,441 INFO ]: Timeout while computing interpolants [2018-06-22 18:34:23,642 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:34:23,642 WARN ]: Verification canceled [2018-06-22 18:34:23,647 WARN ]: Timeout [2018-06-22 18:34:23,647 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:34:23 BoogieIcfgContainer [2018-06-22 18:34:23,647 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:34:23,648 INFO ]: Toolchain (without parser) took 50538.16 ms. Allocated memory was 307.8 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 243.2 MB in the beginning and 1.2 GB in the end (delta: -973.7 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 18:34:23,649 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:34:23,650 INFO ]: ChcToBoogie took 83.23 ms. Allocated memory is still 307.8 MB. Free memory was 243.2 MB in the beginning and 240.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:34:23,650 INFO ]: Boogie Preprocessor took 72.61 ms. Allocated memory is still 307.8 MB. Free memory was 240.3 MB in the beginning and 238.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:34:23,651 INFO ]: RCFGBuilder took 352.42 ms. Allocated memory is still 307.8 MB. Free memory was 238.2 MB in the beginning and 210.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:34:23,651 INFO ]: TraceAbstraction took 50021.64 ms. Allocated memory was 307.8 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 210.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 18:34:23,666 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 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 83.23 ms. Allocated memory is still 307.8 MB. Free memory was 243.2 MB in the beginning and 240.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.61 ms. Allocated memory is still 307.8 MB. Free memory was 240.3 MB in the beginning and 238.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 352.42 ms. Allocated memory is still 307.8 MB. Free memory was 238.2 MB in the beginning and 210.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 50021.64 ms. Allocated memory was 307.8 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 210.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 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 19 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.0s 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, 0.1s 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/FIREFLY_u1_e2_3403_e2_957.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-34-23-685.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_u1_e2_3403_e2_957.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-34-23-685.csv Completed graceful shutdown