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/rtp_vt.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:36:17,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:36:17,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:36:17,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:36:17,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:36:17,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:36:17,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:36:17,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:36:17,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:36:17,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:36:17,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:36:17,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:36:17,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:36:17,868 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:36:17,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:36:17,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:36:17,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:36:17,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:36:17,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:36:17,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:36:17,877 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:36:17,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:36:17,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:36:17,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:36:17,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:36:17,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:36:17,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:36:17,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:36:17,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:36:17,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:36:17,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:36:17,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:36:17,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:36:17,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:36:17,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:36:17,888 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:36:17,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:36:17,902 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:36:17,902 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:36:17,902 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:36:17,904 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:36:17,904 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:36:17,904 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:36:17,904 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:36:17,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:36:17,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:36:17,905 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:36:17,905 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:36:17,905 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:36:17,906 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:36:17,906 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:36:17,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:36:17,906 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:36:17,908 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:36:17,908 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:36:17,955 INFO ]: Repository-Root is: /tmp [2018-06-18 16:36:17,971 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:36:17,974 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:36:17,976 INFO ]: Initializing SmtParser... [2018-06-18 16:36:17,976 INFO ]: SmtParser initialized [2018-06-18 16:36:17,976 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_vt.smt2 [2018-06-18 16:36:17,978 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 16:36:18,077 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_vt.smt2 unknown [2018-06-18 16:36:18,730 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_vt.smt2 [2018-06-18 16:36:18,734 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:36:18,740 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:36:18,741 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:36:18,741 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:36:18,741 INFO ]: ChcToBoogie initialized [2018-06-18 16:36:18,747 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,891 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18 Unit [2018-06-18 16:36:18,891 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:36:18,892 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:36:18,892 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:36:18,892 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:36:18,912 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,913 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,942 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,942 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,969 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,970 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,976 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (1/1) ... [2018-06-18 16:36:18,984 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:36:18,984 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:36:18,984 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:36:18,984 INFO ]: RCFGBuilder initialized [2018-06-18 16:36:18,985 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:36:18,997 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:36:18,998 INFO ]: Found specification of procedure False [2018-06-18 16:36:18,998 INFO ]: Found implementation of procedure False [2018-06-18 16:36:18,998 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:36:18,998 INFO ]: Found specification of procedure state [2018-06-18 16:36:18,998 INFO ]: Found implementation of procedure state [2018-06-18 16:36:18,998 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:36:18,998 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:36:18,998 INFO ]: Found implementation of procedure Ultimate.START [2018-06-18 16:36:19,460 INFO ]: Using library mode [2018-06-18 16:36:19,460 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:36:19 BoogieIcfgContainer [2018-06-18 16:36:19,460 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:36:19,462 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:36:19,462 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:36:19,469 INFO ]: TraceAbstraction initialized [2018-06-18 16:36:19,470 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:36:18" (1/3) ... [2018-06-18 16:36:19,471 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32901f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:36:19, skipping insertion in model container [2018-06-18 16:36:19,471 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:36:18" (2/3) ... [2018-06-18 16:36:19,471 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32901f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:36:19, skipping insertion in model container [2018-06-18 16:36:19,471 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:36:19" (3/3) ... [2018-06-18 16:36:19,473 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:36:19,483 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:36:19,492 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:36:19,540 INFO ]: Using default assertion order modulation [2018-06-18 16:36:19,540 INFO ]: Interprodecural is true [2018-06-18 16:36:19,540 INFO ]: Hoare is false [2018-06-18 16:36:19,540 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:36:19,540 INFO ]: Backedges is TWOTRACK [2018-06-18 16:36:19,541 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:36:19,541 INFO ]: Difference is false [2018-06-18 16:36:19,541 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:36:19,541 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:36:19,558 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:36:19,574 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:36:19,574 INFO ]: Found error trace [2018-06-18 16:36:19,575 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:36:19,576 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:36:19,583 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 16:36:19,585 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:36:19,586 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:36:19,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:36:19,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:36:19,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:36:19,787 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:36:19,796 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:36:20,133 WARN ]: Spent 119.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 10 [2018-06-18 16:36:20,136 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:36:20,138 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:36:20,138 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:36:20,140 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:36:20,151 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:36:20,151 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:36:20,153 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:36:20,322 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:36:20,322 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:36:20,323 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:36:20,324 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:36:20,325 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:36:20,336 INFO ]: With dead ends: 13 [2018-06-18 16:36:20,336 INFO ]: Without dead ends: 13 [2018-06-18 16:36:20,338 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:36:20,357 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:36:20,385 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:36:20,386 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:36:20,387 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:36:20,388 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:36:20,388 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:36:20,389 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:36:20,389 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:36:20,389 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:36:20,390 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:36:20,390 INFO ]: Found error trace [2018-06-18 16:36:20,390 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:36:20,390 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:36:20,391 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 16:36:20,391 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:36:20,391 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:36:20,391 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:36:20,391 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:36:20,391 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:36:20,538 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:36:20,539 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:36:21,681 WARN ]: Spent 901.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2018-06-18 16:36:21,737 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:36:21,738 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:36:21,738 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 16:36:21,745 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:36:21,945 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:36:21,962 INFO ]: Computing forward predicates... [2018-06-18 16:36:22,256 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 16:36:22,278 WARN ]: expecting exponential blowup for input size 20 Received shutdown request... [2018-06-18 16:37:06,460 INFO ]: Timeout while computing interpolants [2018-06-18 16:37:07,183 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:37:07,183 WARN ]: Verification canceled [2018-06-18 16:37:07,187 WARN ]: Timeout [2018-06-18 16:37:07,187 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:37:07 BoogieIcfgContainer [2018-06-18 16:37:07,187 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:37:07,188 INFO ]: Toolchain (without parser) took 48453.28 ms. Allocated memory was 302.5 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 227.0 MB in the beginning and 883.7 MB in the end (delta: -656.7 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 16:37:07,189 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:37:07,190 INFO ]: ChcToBoogie took 150.38 ms. Allocated memory is still 302.5 MB. Free memory was 227.0 MB in the beginning and 219.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:37:07,190 INFO ]: Boogie Preprocessor took 92.10 ms. Allocated memory is still 302.5 MB. Free memory was 219.0 MB in the beginning and 217.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:37:07,191 INFO ]: RCFGBuilder took 475.98 ms. Allocated memory was 302.5 MB in the beginning and 327.2 MB in the end (delta: 24.6 MB). Free memory was 217.0 MB in the beginning and 289.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 3.6 GB. [2018-06-18 16:37:07,191 INFO ]: TraceAbstraction took 47725.50 ms. Allocated memory was 327.2 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 289.0 MB in the beginning and 883.7 MB in the end (delta: -594.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 16:37:07,195 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 150.38 ms. Allocated memory is still 302.5 MB. Free memory was 227.0 MB in the beginning and 219.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 92.10 ms. Allocated memory is still 302.5 MB. Free memory was 219.0 MB in the beginning and 217.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 475.98 ms. Allocated memory was 302.5 MB in the beginning and 327.2 MB in the end (delta: 24.6 MB). Free memory was 217.0 MB in the beginning and 289.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 41.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 47725.50 ms. Allocated memory was 327.2 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 289.0 MB in the beginning and 883.7 MB in the end (delta: -594.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 20 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 47.6s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 184 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/rtp_vt.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-37-07-215.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_vt.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-37-07-215.csv Completed graceful shutdown