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_4_e3_3511_e4_1464.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:43:13,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:43:13,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:43:13,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:43:13,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:43:13,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:43:13,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:43:13,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:43:13,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:43:13,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:43:13,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:43:13,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:43:13,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:43:13,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:43:13,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:43:13,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:43:13,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:43:13,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:43:13,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:43:13,150 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:43:13,151 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:43:13,153 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:43:13,153 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:43:13,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:43:13,158 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:43:13,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:43:13,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:43:13,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:43:13,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:43:13,166 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:43:13,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:43:13,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:43:13,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:43:13,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:43:13,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:43:13,169 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 17:43:13,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:43:13,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:43:13,190 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:43:13,190 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:43:13,191 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:43:13,191 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:43:13,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:43:13,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:43:13,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:43:13,192 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:43:13,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:43:13,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:43:13,193 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:43:13,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:43:13,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:43:13,193 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:43:13,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:43:13,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:43:13,194 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:43:13,195 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:43:13,196 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:43:13,244 INFO ]: Repository-Root is: /tmp [2018-06-22 17:43:13,258 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:43:13,264 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:43:13,266 INFO ]: Initializing SmtParser... [2018-06-22 17:43:13,266 INFO ]: SmtParser initialized [2018-06-22 17:43:13,267 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e4_1464.smt2 [2018-06-22 17:43:13,268 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 17:43:13,353 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e4_1464.smt2 unknown [2018-06-22 17:43:13,946 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4_e3_3511_e4_1464.smt2 [2018-06-22 17:43:13,950 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:43:13,956 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:43:13,956 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:43:13,956 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:43:13,957 INFO ]: ChcToBoogie initialized [2018-06-22 17:43:13,959 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:43:13" (1/1) ... [2018-06-22 17:43:14,018 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14 Unit [2018-06-22 17:43:14,018 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:43:14,018 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:43:14,019 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:43:14,019 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:43:14,040 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,040 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,057 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,057 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,066 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,069 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,072 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (1/1) ... [2018-06-22 17:43:14,076 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:43:14,077 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:43:14,077 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:43:14,077 INFO ]: RCFGBuilder initialized [2018-06-22 17:43:14,078 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (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 17:43:14,102 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:43:14,103 INFO ]: Found specification of procedure False [2018-06-22 17:43:14,103 INFO ]: Found implementation of procedure False [2018-06-22 17:43:14,103 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:43:14,103 INFO ]: Found specification of procedure state [2018-06-22 17:43:14,103 INFO ]: Found implementation of procedure state [2018-06-22 17:43:14,103 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:43:14,103 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:43:14,103 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 17:43:14,549 INFO ]: Using library mode [2018-06-22 17:43:14,550 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:43:14 BoogieIcfgContainer [2018-06-22 17:43:14,550 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:43:14,551 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:43:14,551 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:43:14,554 INFO ]: TraceAbstraction initialized [2018-06-22 17:43:14,555 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:43:13" (1/3) ... [2018-06-22 17:43:14,557 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204afa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:43:14, skipping insertion in model container [2018-06-22 17:43:14,558 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:43:14" (2/3) ... [2018-06-22 17:43:14,558 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204afa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:43:14, skipping insertion in model container [2018-06-22 17:43:14,558 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:43:14" (3/3) ... [2018-06-22 17:43:14,560 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:43:14,570 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:43:14,580 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:43:14,629 INFO ]: Using default assertion order modulation [2018-06-22 17:43:14,630 INFO ]: Interprodecural is true [2018-06-22 17:43:14,630 INFO ]: Hoare is false [2018-06-22 17:43:14,630 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:43:14,630 INFO ]: Backedges is TWOTRACK [2018-06-22 17:43:14,630 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:43:14,630 INFO ]: Difference is false [2018-06-22 17:43:14,630 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:43:14,630 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:43:14,647 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:43:14,661 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:43:14,661 INFO ]: Found error trace [2018-06-22 17:43:14,662 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:43:14,662 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:43:14,668 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:43:14,670 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:43:14,670 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:43:14,718 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:43:14,718 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:43:14,718 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:43:14,846 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:43:15,229 WARN ]: Spent 169.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 5 [2018-06-22 17:43:15,232 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:43:15,236 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:43:15,236 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:43:15,239 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:43:15,294 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:43:15,294 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:43:15,297 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:43:15,438 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:43:15,438 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:43:15,439 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:43:15,440 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:43:15,440 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:43:15,450 INFO ]: With dead ends: 13 [2018-06-22 17:43:15,450 INFO ]: Without dead ends: 13 [2018-06-22 17:43:15,452 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:43:15,464 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:43:15,493 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:43:15,494 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:43:15,501 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:43:15,502 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:43:15,502 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:43:15,502 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:43:15,502 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:43:15,502 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:43:15,504 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:43:15,504 INFO ]: Found error trace [2018-06-22 17:43:15,504 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:43:15,504 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:43:15,504 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:43:15,504 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:43:15,504 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:43:15,505 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:43:15,505 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:43:15,505 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:43:15,696 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:43:19,234 WARN ]: Spent 3.08 s on a formula simplification. DAG size of input: 239 DAG size of output: 150 [2018-06-22 17:43:19,369 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:43:19,369 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:43:19,369 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 17:43:19,376 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:43:19,487 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:43:19,501 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:44:26,580 INFO ]: Timeout while computing interpolants [2018-06-22 17:44:26,781 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:44:26,781 WARN ]: Verification canceled [2018-06-22 17:44:26,785 WARN ]: Timeout [2018-06-22 17:44:26,785 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:44:26 BoogieIcfgContainer [2018-06-22 17:44:26,785 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:44:26,786 INFO ]: Toolchain (without parser) took 72834.88 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.1 MB in the beginning and 1.0 GB in the end (delta: -804.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:44:26,795 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:44:26,796 INFO ]: ChcToBoogie took 61.69 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 236.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:44:26,796 INFO ]: Boogie Preprocessor took 57.90 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 234.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:44:26,796 INFO ]: RCFGBuilder took 472.91 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 204.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 3.6 GB. [2018-06-22 17:44:26,797 INFO ]: TraceAbstraction took 72234.02 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.8 MB in the beginning and 1.0 GB in the end (delta: -839.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:44:26,799 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 305.7 MB. Free memory is still 271.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 61.69 ms. Allocated memory is still 305.7 MB. Free memory was 238.1 MB in the beginning and 236.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.90 ms. Allocated memory is still 305.7 MB. Free memory was 236.1 MB in the beginning and 234.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 472.91 ms. Allocated memory is still 305.7 MB. Free memory was 234.1 MB in the beginning and 204.8 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72234.02 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 203.8 MB in the beginning and 1.0 GB in the end (delta: -839.3 MB). Peak memory consumption was 1.3 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 62 quantified variables from 80 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 72.1s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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_4_e3_3511_e4_1464.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-44-26-813.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4_e3_3511_e4_1464.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-44-26-813.csv Completed graceful shutdown