java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i1_e4_1986_e1_1519.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:57:57,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:57:57,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:57:57,251 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:57:57,251 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:57:57,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:57:57,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:57:57,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:57:57,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:57:57,260 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:57:57,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:57:57,261 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:57:57,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:57:57,265 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:57:57,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:57:57,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:57:57,268 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:57:57,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:57:57,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:57:57,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:57:57,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:57:57,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:57:57,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:57:57,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:57:57,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:57:57,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:57:57,289 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:57:57,290 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:57:57,291 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:57:57,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:57:57,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:57:57,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:57:57,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:57:57,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:57:57,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:57:57,297 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:57:57,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:57:57,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:57:57,317 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:57:57,317 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:57:57,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:57:57,318 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:57:57,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:57:57,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:57:57,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:57:57,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:57:57,319 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:57:57,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:57:57,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:57:57,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:57:57,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:57:57,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:57:57,320 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:57:57,325 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:57:57,325 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:57:57,379 INFO ]: Repository-Root is: /tmp [2018-06-18 15:57:57,394 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:57:57,398 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:57:57,399 INFO ]: Initializing SmtParser... [2018-06-18 15:57:57,399 INFO ]: SmtParser initialized [2018-06-18 15:57:57,400 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i1_e4_1986_e1_1519.smt2 [2018-06-18 15:57:57,401 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 [2018-06-18 15:57:57,477 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i1_e4_1986_e1_1519.smt2 unknown [2018-06-18 15:57:57,994 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MESI_i1_e4_1986_e1_1519.smt2 [2018-06-18 15:57:57,999 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:57:58,004 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:57:58,005 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:57:58,005 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:57:58,005 INFO ]: ChcToBoogie initialized [2018-06-18 15:57:58,012 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:57:57" (1/1) ... [2018-06-18 15:57:58,096 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58 Unit [2018-06-18 15:57:58,096 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:57:58,097 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:57:58,097 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:57:58,097 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:57:58,130 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,130 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,141 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,141 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,156 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,158 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,162 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (1/1) ... [2018-06-18 15:57:58,165 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:57:58,166 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:57:58,166 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:57:58,166 INFO ]: RCFGBuilder initialized [2018-06-18 15:57:58,167 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (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) [2018-06-18 15:57:58,193 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:57:58,193 INFO ]: Found specification of procedure False [2018-06-18 15:57:58,193 INFO ]: Found implementation of procedure False [2018-06-18 15:57:58,193 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:57:58,193 INFO ]: Found specification of procedure state [2018-06-18 15:57:58,193 INFO ]: Found implementation of procedure state [2018-06-18 15:57:58,193 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:57:58,193 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:57:58,193 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 [2018-06-18 15:57:58,547 INFO ]: Using library mode [2018-06-18 15:57:58,548 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:57:58 BoogieIcfgContainer [2018-06-18 15:57:58,548 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:57:58,549 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:57:58,549 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:57:58,556 INFO ]: TraceAbstraction initialized [2018-06-18 15:57:58,556 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:57:57" (1/3) ... [2018-06-18 15:57:58,557 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3c27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:57:58, skipping insertion in model container [2018-06-18 15:57:58,557 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:57:58" (2/3) ... [2018-06-18 15:57:58,558 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3c27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:57:58, skipping insertion in model container [2018-06-18 15:57:58,558 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:57:58" (3/3) ... [2018-06-18 15:57:58,560 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:57:58,570 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:57:58,579 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:57:58,631 INFO ]: Using default assertion order modulation [2018-06-18 15:57:58,632 INFO ]: Interprodecural is true [2018-06-18 15:57:58,632 INFO ]: Hoare is false [2018-06-18 15:57:58,632 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:57:58,632 INFO ]: Backedges is TWOTRACK [2018-06-18 15:57:58,632 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:57:58,632 INFO ]: Difference is false [2018-06-18 15:57:58,632 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:57:58,632 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:57:58,651 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:57:58,670 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:57:58,671 INFO ]: Found error trace [2018-06-18 15:57:58,671 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:57:58,673 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:57:58,678 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 15:57:58,679 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:57:58,680 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:57:58,716 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:57:58,716 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:57:58,716 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:57:58,791 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:57:58,802 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:57:59,011 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:57:59,014 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:57:59,014 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:57:59,016 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:57:59,035 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:57:59,036 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:57:59,038 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:57:59,161 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:57:59,161 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:57:59,161 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:57:59,162 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:57:59,163 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:57:59,178 INFO ]: With dead ends: 13 [2018-06-18 15:57:59,178 INFO ]: Without dead ends: 13 [2018-06-18 15:57:59,180 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 [2018-06-18 15:57:59,198 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:57:59,225 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:57:59,227 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:57:59,227 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:57:59,229 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:57:59,229 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:57:59,229 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:57:59,229 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:57:59,229 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:57:59,230 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:57:59,230 INFO ]: Found error trace [2018-06-18 15:57:59,230 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:57:59,231 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:57:59,231 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 15:57:59,231 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:57:59,231 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:57:59,232 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:57:59,232 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:57:59,232 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:57:59,352 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:57:59,353 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:58:02,414 WARN ]: Spent 2.60 s on a formula simplification. DAG size of input: 237 DAG size of output: 101 [2018-06-18 15:58:02,566 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:58:02,566 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:58:02,567 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 [2018-06-18 15:58:02,574 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:58:02,681 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:58:02,701 INFO ]: Computing forward predicates... [2018-06-18 15:58:04,924 WARN ]: expecting exponential blowup for input size 6 [2018-06-18 15:58:04,926 WARN ]: expecting exponential blowup for input size 44 Received shutdown request... [2018-06-18 15:58:49,592 INFO ]: Timeout while computing interpolants [2018-06-18 15:58:49,794 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:58:49,794 WARN ]: Verification canceled [2018-06-18 15:58:49,798 WARN ]: Timeout [2018-06-18 15:58:49,799 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:58:49 BoogieIcfgContainer [2018-06-18 15:58:49,799 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:58:49,800 INFO ]: Toolchain (without parser) took 51799.99 ms. Allocated memory was 308.3 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 250.9 MB in the beginning and 1.2 GB in the end (delta: -945.0 MB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-18 15:58:49,801 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:58:49,801 INFO ]: ChcToBoogie took 91.97 ms. Allocated memory is still 308.3 MB. Free memory was 250.9 MB in the beginning and 246.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:58:49,802 INFO ]: Boogie Preprocessor took 68.55 ms. Allocated memory is still 308.3 MB. Free memory was 246.9 MB in the beginning and 244.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:58:49,814 INFO ]: RCFGBuilder took 381.73 ms. Allocated memory is still 308.3 MB. Free memory was 244.9 MB in the beginning and 222.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:58:49,814 INFO ]: TraceAbstraction took 51249.57 ms. Allocated memory was 308.3 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 222.9 MB in the beginning and 1.2 GB in the end (delta: -973.0 MB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-18 15:58:49,816 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 308.3 MB. Free memory is still 273.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.97 ms. Allocated memory is still 308.3 MB. Free memory was 250.9 MB in the beginning and 246.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 68.55 ms. Allocated memory is still 308.3 MB. Free memory was 246.9 MB in the beginning and 244.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 381.73 ms. Allocated memory is still 308.3 MB. Free memory was 244.9 MB in the beginning and 222.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 51249.57 ms. Allocated memory was 308.3 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 222.9 MB in the beginning and 1.2 GB in the end (delta: -973.0 MB). 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 44 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 51.1s 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, 0.0s 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, 0.2s 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/MESI_i1_e4_1986_e1_1519.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-58-49-828.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MESI_i1_e4_1986_e1_1519.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-58-49-828.csv Completed graceful shutdown