java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 15:04:27,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 15:04:27,941 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 15:04:27,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 15:04:27,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 15:04:27,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 15:04:27,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 15:04:27,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 15:04:27,968 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 15:04:27,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 15:04:27,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 15:04:27,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 15:04:27,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 15:04:27,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 15:04:27,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 15:04:27,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 15:04:27,991 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 15:04:27,993 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 15:04:27,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 15:04:27,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 15:04:27,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 15:04:27,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 15:04:27,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 15:04:27,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 15:04:28,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 15:04:28,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 15:04:28,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 15:04:28,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 15:04:28,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 15:04:28,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 15:04:28,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 15:04:28,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 15:04:28,012 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 15:04:28,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 15:04:28,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 15:04:28,014 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 15:04:28,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 15:04:28,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 15:04:28,040 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 15:04:28,040 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 15:04:28,041 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 15:04:28,041 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 15:04:28,041 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 15:04:28,041 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 15:04:28,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 15:04:28,043 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 15:04:28,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 15:04:28,043 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 15:04:28,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 15:04:28,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 15:04:28,044 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 15:04:28,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 15:04:28,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 15:04:28,044 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 15:04:28,044 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 15:04:28,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 15:04:28,045 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 15:04:28,047 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 15:04:28,048 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 15:04:28,093 INFO ]: Repository-Root is: /tmp [2018-06-25 15:04:28,107 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 15:04:28,112 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 15:04:28,113 INFO ]: Initializing SmtParser... [2018-06-25 15:04:28,114 INFO ]: SmtParser initialized [2018-06-25 15:04:28,114 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-25 15:04:28,115 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 [2018-06-25 15:04:28,201 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 unknown [2018-06-25 15:04:28,695 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-25 15:04:28,700 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 15:04:28,706 INFO ]: Walking toolchain with 4 elements. [2018-06-25 15:04:28,706 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 15:04:28,706 INFO ]: Initializing ChcToBoogie... [2018-06-25 15:04:28,707 INFO ]: ChcToBoogie initialized [2018-06-25 15:04:28,709 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,805 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28 Unit [2018-06-25 15:04:28,805 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 15:04:28,806 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 15:04:28,806 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 15:04:28,806 INFO ]: Boogie Preprocessor initialized [2018-06-25 15:04:28,845 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,855 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,866 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,866 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,877 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,879 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,891 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (1/1) ... [2018-06-25 15:04:28,895 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 15:04:28,896 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 15:04:28,896 INFO ]: Initializing RCFGBuilder... [2018-06-25 15:04:28,896 INFO ]: RCFGBuilder initialized [2018-06-25 15:04:28,897 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 15:04:28,926 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 15:04:28,926 INFO ]: Found specification of procedure gotoProc [2018-06-25 15:04:28,926 INFO ]: Found implementation of procedure gotoProc [2018-06-25 15:04:28,926 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 15:04:28,926 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 15:04:28,926 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 15:04:29,391 INFO ]: Using library mode [2018-06-25 15:04:29,391 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:04:29 BoogieIcfgContainer [2018-06-25 15:04:29,391 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 15:04:29,393 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 15:04:29,393 INFO ]: Initializing TraceAbstraction... [2018-06-25 15:04:29,396 INFO ]: TraceAbstraction initialized [2018-06-25 15:04:29,397 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:04:28" (1/3) ... [2018-06-25 15:04:29,398 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e33ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 03:04:29, skipping insertion in model container [2018-06-25 15:04:29,398 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:04:28" (2/3) ... [2018-06-25 15:04:29,398 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e33ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 03:04:29, skipping insertion in model container [2018-06-25 15:04:29,398 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:04:29" (3/3) ... [2018-06-25 15:04:29,400 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 15:04:29,409 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 15:04:29,418 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 15:04:29,481 INFO ]: Using default assertion order modulation [2018-06-25 15:04:29,481 INFO ]: Interprodecural is true [2018-06-25 15:04:29,481 INFO ]: Hoare is false [2018-06-25 15:04:29,481 INFO ]: Compute interpolants for FPandBP [2018-06-25 15:04:29,481 INFO ]: Backedges is TWOTRACK [2018-06-25 15:04:29,481 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 15:04:29,481 INFO ]: Difference is false [2018-06-25 15:04:29,481 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 15:04:29,481 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 15:04:29,500 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 15:04:29,513 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 15:04:29,513 INFO ]: Found error trace [2018-06-25 15:04:29,513 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:04:29,513 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:04:29,517 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 15:04:29,518 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:04:29,519 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:04:29,552 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:04:29,552 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:04:29,552 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:04:29,705 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:04:29,900 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:04:29,901 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 15:04:29,901 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 15:04:29,903 INFO ]: Interpolant automaton has 3 states [2018-06-25 15:04:29,914 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 15:04:29,914 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:04:29,916 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 15:04:30,004 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 15:04:30,004 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 15:04:30,006 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 15:04:30,008 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 15:04:30,008 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 15:04:30,016 INFO ]: With dead ends: 9 [2018-06-25 15:04:30,016 INFO ]: Without dead ends: 9 [2018-06-25 15:04:30,021 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:04:30,038 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 15:04:30,065 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 15:04:30,070 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 15:04:30,070 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 15:04:30,071 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 15:04:30,071 INFO ]: Finished accepts. word is rejected. [2018-06-25 15:04:30,071 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 15:04:30,072 INFO ]: Interpolant automaton has 3 states. [2018-06-25 15:04:30,072 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 15:04:30,072 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 15:04:30,072 INFO ]: Found error trace [2018-06-25 15:04:30,072 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:04:30,072 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:04:30,073 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 15:04:30,073 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:04:30,073 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:04:30,074 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:04:30,074 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:04:30,074 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:04:30,170 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:04:30,507 WARN ]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-25 15:04:30,562 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:04:30,562 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 15:04:30,562 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 [2018-06-25 15:04:30,577 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:04:30,730 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:04:30,741 INFO ]: Computing forward predicates... [2018-06-25 15:04:31,419 WARN ]: expecting exponential blowup for input size 36 Received shutdown request... [2018-06-25 15:05:18,497 INFO ]: Timeout while computing interpolants [2018-06-25 15:05:18,698 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 15:05:18,698 WARN ]: Verification canceled [2018-06-25 15:05:18,702 WARN ]: Timeout [2018-06-25 15:05:18,705 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 03:05:18 BoogieIcfgContainer [2018-06-25 15:05:18,705 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 15:05:18,706 INFO ]: Toolchain (without parser) took 50005.60 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 242.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-25 15:05:18,707 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 15:05:18,707 INFO ]: ChcToBoogie took 99.39 ms. Allocated memory is still 308.3 MB. Free memory was 241.6 MB in the beginning and 238.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:05:18,707 INFO ]: Boogie Preprocessor took 89.19 ms. Allocated memory is still 308.3 MB. Free memory was 238.6 MB in the beginning and 236.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:05:18,708 INFO ]: RCFGBuilder took 495.70 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 191.8 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 3.6 GB. [2018-06-25 15:05:18,708 INFO ]: TraceAbstraction took 49312.30 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 191.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-25 15:05:18,714 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 99.39 ms. Allocated memory is still 308.3 MB. Free memory was 241.6 MB in the beginning and 238.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.19 ms. Allocated memory is still 308.3 MB. Free memory was 238.6 MB in the beginning and 236.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 495.70 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 191.8 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49312.30 ms. Allocated memory was 308.3 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 191.8 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 36 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 49.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 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/fast_2_e8_460.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_15-05-18-732.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fast_2_e8_460.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_15-05-18-732.csv Completed graceful shutdown