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_8_e2_1692.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:52:17,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:52:17,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:52:18,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:52:18,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:52:18,006 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:52:18,007 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:52:18,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:52:18,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:52:18,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:52:18,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:52:18,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:52:18,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:52:18,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:52:18,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:52:18,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:52:18,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:52:18,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:52:18,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:52:18,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:52:18,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:52:18,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:52:18,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:52:18,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:52:18,041 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:52:18,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:52:18,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:52:18,043 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:52:18,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:52:18,045 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:52:18,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:52:18,046 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:52:18,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:52:18,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:52:18,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:52:18,051 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 17:52:18,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:52:18,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:52:18,064 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:52:18,065 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:52:18,066 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:52:18,066 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:52:18,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:52:18,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:52:18,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:52:18,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:52:18,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:52:18,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:52:18,067 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:52:18,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:52:18,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:52:18,068 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:52:18,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:52:18,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:52:18,068 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:52:18,072 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:52:18,073 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:52:18,115 INFO ]: Repository-Root is: /tmp [2018-06-22 17:52:18,129 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:52:18,134 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:52:18,135 INFO ]: Initializing SmtParser... [2018-06-22 17:52:18,135 INFO ]: SmtParser initialized [2018-06-22 17:52:18,136 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1692.smt2 [2018-06-22 17:52:18,137 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 17:52:18,215 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1692.smt2 unknown [2018-06-22 17:52:18,760 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8_e2_1692.smt2 [2018-06-22 17:52:18,765 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:52:18,771 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:52:18,771 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:52:18,771 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:52:18,771 INFO ]: ChcToBoogie initialized [2018-06-22 17:52:18,775 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,831 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18 Unit [2018-06-22 17:52:18,831 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:52:18,832 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:52:18,832 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:52:18,832 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:52:18,855 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,855 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,867 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,867 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,883 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,884 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,887 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (1/1) ... [2018-06-22 17:52:18,891 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:52:18,892 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:52:18,892 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:52:18,892 INFO ]: RCFGBuilder initialized [2018-06-22 17:52:18,893 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (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 17:52:18,910 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:52:18,910 INFO ]: Found specification of procedure False [2018-06-22 17:52:18,910 INFO ]: Found implementation of procedure False [2018-06-22 17:52:18,910 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:52:18,910 INFO ]: Found specification of procedure state [2018-06-22 17:52:18,910 INFO ]: Found implementation of procedure state [2018-06-22 17:52:18,910 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:52:18,910 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:52:18,910 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 17:52:19,356 INFO ]: Using library mode [2018-06-22 17:52:19,357 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:52:19 BoogieIcfgContainer [2018-06-22 17:52:19,357 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:52:19,359 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:52:19,359 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:52:19,365 INFO ]: TraceAbstraction initialized [2018-06-22 17:52:19,365 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:52:18" (1/3) ... [2018-06-22 17:52:19,366 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532db66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:52:19, skipping insertion in model container [2018-06-22 17:52:19,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:52:18" (2/3) ... [2018-06-22 17:52:19,366 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532db66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:52:19, skipping insertion in model container [2018-06-22 17:52:19,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:52:19" (3/3) ... [2018-06-22 17:52:19,369 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:52:19,380 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:52:19,392 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:52:19,445 INFO ]: Using default assertion order modulation [2018-06-22 17:52:19,446 INFO ]: Interprodecural is true [2018-06-22 17:52:19,446 INFO ]: Hoare is false [2018-06-22 17:52:19,446 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:52:19,446 INFO ]: Backedges is TWOTRACK [2018-06-22 17:52:19,446 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:52:19,446 INFO ]: Difference is false [2018-06-22 17:52:19,446 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:52:19,446 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:52:19,467 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:52:19,488 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:52:19,488 INFO ]: Found error trace [2018-06-22 17:52:19,489 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:52:19,490 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:52:19,496 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:52:19,498 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:52:19,499 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:52:19,550 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:52:19,551 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:52:19,551 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:52:19,651 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:52:20,003 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:52:20,006 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:52:20,006 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:52:20,008 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:52:20,023 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:52:20,024 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:52:20,027 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:52:20,212 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:52:20,212 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:52:20,214 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:52:20,215 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:52:20,215 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:52:20,229 INFO ]: With dead ends: 13 [2018-06-22 17:52:20,229 INFO ]: Without dead ends: 13 [2018-06-22 17:52:20,232 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 17:52:20,250 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:52:20,287 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:52:20,288 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:52:20,289 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:52:20,290 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:52:20,290 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:52:20,290 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:52:20,290 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:52:20,290 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:52:20,291 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:52:20,291 INFO ]: Found error trace [2018-06-22 17:52:20,292 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:52:20,292 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:52:20,292 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:52:20,292 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:52:20,292 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:52:20,293 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:52:20,293 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:52:20,293 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:52:20,400 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:52:21,212 WARN ]: Spent 558.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-06-22 17:52:21,418 WARN ]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-06-22 17:52:21,602 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:52:21,602 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:52:21,602 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 17:52:21,609 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:52:21,743 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:52:21,757 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:53:30,018 INFO ]: Timeout while computing interpolants [2018-06-22 17:53:30,220 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:53:30,220 WARN ]: Verification canceled [2018-06-22 17:53:30,224 WARN ]: Timeout [2018-06-22 17:53:30,224 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:53:30 BoogieIcfgContainer [2018-06-22 17:53:30,224 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:53:30,225 INFO ]: Toolchain (without parser) took 71459.43 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 240.6 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:53:30,225 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:53:30,226 INFO ]: ChcToBoogie took 60.17 ms. Allocated memory is still 305.1 MB. Free memory was 240.6 MB in the beginning and 237.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:30,226 INFO ]: Boogie Preprocessor took 59.82 ms. Allocated memory is still 305.1 MB. Free memory was 237.6 MB in the beginning and 235.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:30,227 INFO ]: RCFGBuilder took 465.23 ms. Allocated memory is still 305.1 MB. Free memory was 235.6 MB in the beginning and 207.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. [2018-06-22 17:53:30,227 INFO ]: TraceAbstraction took 70864.84 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:53:30,236 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 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 60.17 ms. Allocated memory is still 305.1 MB. Free memory was 240.6 MB in the beginning and 237.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.82 ms. Allocated memory is still 305.1 MB. Free memory was 237.6 MB in the beginning and 235.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 465.23 ms. Allocated memory is still 305.1 MB. Free memory was 235.6 MB in the beginning and 207.4 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70864.84 ms. Allocated memory was 305.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). 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 29 quantified variables from 40 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.7s 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, 0.2s 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, 0.0s SatisfiabilityAnalysisTime, 0.3s 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_8_e2_1692.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-53-30-252.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_8_e2_1692.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-53-30-252.csv Completed graceful shutdown