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/ticket3i_7.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 17:07:52,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 17:07:52,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 17:07:52,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 17:07:52,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 17:07:52,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 17:07:52,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 17:07:52,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 17:07:52,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 17:07:52,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 17:07:52,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 17:07:52,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 17:07:52,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 17:07:52,167 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 17:07:52,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 17:07:52,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 17:07:52,170 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 17:07:52,172 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 17:07:52,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 17:07:52,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 17:07:52,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 17:07:52,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 17:07:52,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 17:07:52,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 17:07:52,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 17:07:52,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 17:07:52,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 17:07:52,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 17:07:52,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 17:07:52,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 17:07:52,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 17:07:52,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 17:07:52,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 17:07:52,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 17:07:52,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 17:07:52,185 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 17:07:52,198 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 17:07:52,198 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 17:07:52,199 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 17:07:52,199 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 17:07:52,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 17:07:52,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 17:07:52,201 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 17:07:52,201 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 17:07:52,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 17:07:52,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 17:07:52,201 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 17:07:52,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 17:07:52,202 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 17:07:52,202 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 17:07:52,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 17:07:52,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 17:07:52,203 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 17:07:52,204 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 17:07:52,204 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 17:07:52,250 INFO ]: Repository-Root is: /tmp [2018-06-18 17:07:52,265 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 17:07:52,268 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 17:07:52,271 INFO ]: Initializing SmtParser... [2018-06-18 17:07:52,271 INFO ]: SmtParser initialized [2018-06-18 17:07:52,271 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_7.smt2 [2018-06-18 17:07:52,272 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 17:07:52,350 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_7.smt2 unknown [2018-06-18 17:07:52,927 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_7.smt2 [2018-06-18 17:07:52,931 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 17:07:52,937 INFO ]: Walking toolchain with 4 elements. [2018-06-18 17:07:52,937 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 17:07:52,937 INFO ]: Initializing ChcToBoogie... [2018-06-18 17:07:52,938 INFO ]: ChcToBoogie initialized [2018-06-18 17:07:52,944 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:07:52" (1/1) ... [2018-06-18 17:07:53,066 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53 Unit [2018-06-18 17:07:53,066 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 17:07:53,067 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 17:07:53,067 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 17:07:53,067 INFO ]: Boogie Preprocessor initialized [2018-06-18 17:07:53,090 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,090 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,103 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,103 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,115 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,116 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,120 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... [2018-06-18 17:07:53,126 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 17:07:53,126 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 17:07:53,126 INFO ]: Initializing RCFGBuilder... [2018-06-18 17:07:53,126 INFO ]: RCFGBuilder initialized [2018-06-18 17:07:53,127 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-18 17:07:53,137 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 17:07:53,137 INFO ]: Found specification of procedure False [2018-06-18 17:07:53,137 INFO ]: Found implementation of procedure False [2018-06-18 17:07:53,137 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 17:07:53,137 INFO ]: Found specification of procedure state [2018-06-18 17:07:53,137 INFO ]: Found implementation of procedure state [2018-06-18 17:07:53,137 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 17:07:53,137 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 17:07:53,137 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 17:07:53,628 INFO ]: Using library mode [2018-06-18 17:07:53,629 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 05:07:53 BoogieIcfgContainer [2018-06-18 17:07:53,629 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 17:07:53,630 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 17:07:53,630 INFO ]: Initializing TraceAbstraction... [2018-06-18 17:07:53,636 INFO ]: TraceAbstraction initialized [2018-06-18 17:07:53,636 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 05:07:52" (1/3) ... [2018-06-18 17:07:53,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154f5199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 05:07:53, skipping insertion in model container [2018-06-18 17:07:53,637 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 05:07:53" (2/3) ... [2018-06-18 17:07:53,637 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154f5199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 05:07:53, skipping insertion in model container [2018-06-18 17:07:53,638 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 05:07:53" (3/3) ... [2018-06-18 17:07:53,640 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 17:07:53,649 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 17:07:53,657 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 17:07:53,707 INFO ]: Using default assertion order modulation [2018-06-18 17:07:53,708 INFO ]: Interprodecural is true [2018-06-18 17:07:53,708 INFO ]: Hoare is false [2018-06-18 17:07:53,708 INFO ]: Compute interpolants for FPandBP [2018-06-18 17:07:53,708 INFO ]: Backedges is TWOTRACK [2018-06-18 17:07:53,708 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 17:07:53,708 INFO ]: Difference is false [2018-06-18 17:07:53,708 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 17:07:53,708 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 17:07:53,725 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 17:07:53,743 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 17:07:53,743 INFO ]: Found error trace [2018-06-18 17:07:53,744 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 17:07:53,744 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 17:07:53,750 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 17:07:53,752 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 17:07:53,752 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 17:07:53,802 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:07:53,802 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 17:07:53,803 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:07:53,962 INFO ]: Conjunction of SSA is unsat [2018-06-18 17:07:53,974 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:07:54,365 WARN ]: Spent 142.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 11 [2018-06-18 17:07:54,368 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 17:07:54,370 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 17:07:54,370 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 17:07:54,371 INFO ]: Interpolant automaton has 4 states [2018-06-18 17:07:54,382 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 17:07:54,382 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 17:07:54,384 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 17:07:54,521 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 17:07:54,521 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 17:07:54,523 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 17:07:54,524 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 17:07:54,525 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 17:07:54,539 INFO ]: With dead ends: 13 [2018-06-18 17:07:54,539 INFO ]: Without dead ends: 13 [2018-06-18 17:07:54,542 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 [2018-06-18 17:07:54,558 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 17:07:54,582 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 17:07:54,584 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 17:07:54,584 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 17:07:54,586 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 17:07:54,586 INFO ]: Finished accepts. word is rejected. [2018-06-18 17:07:54,586 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 17:07:54,586 INFO ]: Interpolant automaton has 4 states. [2018-06-18 17:07:54,586 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 17:07:54,587 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 17:07:54,587 INFO ]: Found error trace [2018-06-18 17:07:54,587 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 17:07:54,587 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 17:07:54,588 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 17:07:54,588 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 17:07:54,588 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 17:07:54,589 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:07:54,589 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 17:07:54,589 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 17:07:54,737 INFO ]: Conjunction of SSA is unsat [2018-06-18 17:07:54,738 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 17:07:56,310 WARN ]: Spent 1.26 s on a formula simplification. DAG size of input: 181 DAG size of output: 71 [2018-06-18 17:07:56,792 WARN ]: Spent 364.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 5 [2018-06-18 17:07:56,794 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 17:07:56,795 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 17:07:56,795 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 17:07:56,810 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 17:07:56,968 INFO ]: Conjunction of SSA is unsat [2018-06-18 17:07:56,984 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 17:09:02,376 INFO ]: Timeout while computing interpolants [2018-06-18 17:09:02,577 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 17:09:02,577 WARN ]: Verification canceled [2018-06-18 17:09:02,582 WARN ]: Timeout [2018-06-18 17:09:02,582 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 05:09:02 BoogieIcfgContainer [2018-06-18 17:09:02,582 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 17:09:02,583 INFO ]: Toolchain (without parser) took 69651.06 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.3 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 17:09:02,584 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 17:09:02,585 INFO ]: ChcToBoogie took 128.96 ms. Allocated memory is still 306.7 MB. Free memory was 239.3 MB in the beginning and 233.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-18 17:09:02,589 INFO ]: Boogie Preprocessor took 59.09 ms. Allocated memory is still 306.7 MB. Free memory was 233.3 MB in the beginning and 232.3 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-18 17:09:02,589 INFO ]: RCFGBuilder took 502.49 ms. Allocated memory is still 306.7 MB. Free memory was 232.3 MB in the beginning and 198.8 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 3.6 GB. [2018-06-18 17:09:02,590 INFO ]: TraceAbstraction took 68951.67 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 198.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 17:09:02,593 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 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 128.96 ms. Allocated memory is still 306.7 MB. Free memory was 239.3 MB in the beginning and 233.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.09 ms. Allocated memory is still 306.7 MB. Free memory was 233.3 MB in the beginning and 232.3 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 502.49 ms. Allocated memory is still 306.7 MB. Free memory was 232.3 MB in the beginning and 198.8 MB in the end (delta: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68951.67 ms. Allocated memory was 306.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 198.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 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 33 quantified variables from 39 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.8s 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, 0.2s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 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/ticket3i_7.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_17-09-02-614.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ticket3i_7.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_17-09-02-614.csv Completed graceful shutdown