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/switch.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:42:08,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:42:08,872 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:42:08,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:42:08,891 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:42:08,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:42:08,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:42:08,896 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:42:08,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:42:08,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:42:08,899 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:42:08,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:42:08,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:42:08,904 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:42:08,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:42:08,905 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:42:08,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:42:08,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:42:08,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:42:08,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:42:08,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:42:08,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:42:08,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:42:08,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:42:08,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:42:08,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:42:08,919 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:42:08,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:42:08,921 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:42:08,921 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:42:08,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:42:08,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:42:08,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:42:08,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:42:08,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:42:08,925 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:42:08,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:42:08,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:42:08,939 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:42:08,939 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:42:08,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:42:08,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:42:08,941 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:42:08,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:42:08,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:42:08,942 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:42:08,942 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:42:08,942 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:42:08,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:42:08,942 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:42:08,943 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:42:08,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:42:08,943 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:42:08,945 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:42:08,945 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:42:08,993 INFO ]: Repository-Root is: /tmp [2018-06-18 16:42:09,008 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:42:09,012 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:42:09,013 INFO ]: Initializing SmtParser... [2018-06-18 16:42:09,014 INFO ]: SmtParser initialized [2018-06-18 16:42:09,014 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-18 16:42:09,016 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 16:42:09,111 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 unknown [2018-06-18 16:42:09,319 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-18 16:42:09,324 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:42:09,327 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:42:09,328 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:42:09,328 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:42:09,328 INFO ]: ChcToBoogie initialized [2018-06-18 16:42:09,334 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,384 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09 Unit [2018-06-18 16:42:09,385 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:42:09,385 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:42:09,385 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:42:09,385 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:42:09,409 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,409 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,418 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,418 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,421 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,423 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,425 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (1/1) ... [2018-06-18 16:42:09,426 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:42:09,438 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:42:09,438 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:42:09,438 INFO ]: RCFGBuilder initialized [2018-06-18 16:42:09,439 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (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 16:42:09,461 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:42:09,461 INFO ]: Found specification of procedure False [2018-06-18 16:42:09,461 INFO ]: Found implementation of procedure False [2018-06-18 16:42:09,461 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:42:09,461 INFO ]: Found specification of procedure state [2018-06-18 16:42:09,461 INFO ]: Found implementation of procedure state [2018-06-18 16:42:09,461 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:42:09,461 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:42:09,461 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 16:42:09,779 INFO ]: Using library mode [2018-06-18 16:42:09,779 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:42:09 BoogieIcfgContainer [2018-06-18 16:42:09,779 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:42:09,781 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:42:09,781 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:42:09,784 INFO ]: TraceAbstraction initialized [2018-06-18 16:42:09,784 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:42:09" (1/3) ... [2018-06-18 16:42:09,785 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39360b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:42:09, skipping insertion in model container [2018-06-18 16:42:09,785 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:42:09" (2/3) ... [2018-06-18 16:42:09,786 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39360b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:42:09, skipping insertion in model container [2018-06-18 16:42:09,786 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:42:09" (3/3) ... [2018-06-18 16:42:09,788 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:42:09,797 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:42:09,806 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:42:09,848 INFO ]: Using default assertion order modulation [2018-06-18 16:42:09,849 INFO ]: Interprodecural is true [2018-06-18 16:42:09,849 INFO ]: Hoare is false [2018-06-18 16:42:09,849 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:42:09,849 INFO ]: Backedges is TWOTRACK [2018-06-18 16:42:09,849 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:42:09,849 INFO ]: Difference is false [2018-06-18 16:42:09,849 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:42:09,849 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:42:09,860 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:42:09,872 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:42:09,873 INFO ]: Found error trace [2018-06-18 16:42:09,874 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:42:09,874 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:42:09,878 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 16:42:09,880 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:42:09,880 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:42:09,917 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:42:09,917 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:42:09,917 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:42:09,954 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:42:09,967 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:42:10,170 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:42:10,173 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:42:10,173 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:42:10,175 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:42:10,195 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:42:10,196 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:42:10,198 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:42:10,300 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:42:10,300 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:42:10,301 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:42:10,302 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:42:10,302 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:42:10,314 INFO ]: With dead ends: 13 [2018-06-18 16:42:10,314 INFO ]: Without dead ends: 13 [2018-06-18 16:42:10,316 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 16:42:10,336 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:42:10,369 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:42:10,370 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:42:10,373 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:42:10,374 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:42:10,374 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:42:10,374 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:42:10,374 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:42:10,375 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:42:10,377 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:42:10,377 INFO ]: Found error trace [2018-06-18 16:42:10,377 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:42:10,377 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:42:10,377 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 16:42:10,377 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:42:10,377 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:42:10,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:42:10,378 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:42:10,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:42:10,419 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:42:10,420 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:42:10,705 WARN ]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-18 16:42:10,970 WARN ]: Spent 195.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-06-18 16:42:10,985 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:42:10,985 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:42:10,985 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 16:42:10,994 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:42:11,025 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:42:11,035 INFO ]: Computing forward predicates... [2018-06-18 16:42:11,117 WARN ]: expecting exponential blowup for input size 15 [2018-06-18 16:42:12,505 WARN ]: Simplifying disjunction of 96960 conjuctions. This might take some time... Received shutdown request... [2018-06-18 16:43:31,851 INFO ]: Timeout while computing interpolants [2018-06-18 16:43:32,051 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:43:32,052 WARN ]: Verification canceled [2018-06-18 16:43:32,055 WARN ]: Timeout [2018-06-18 16:43:32,056 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:43:32 BoogieIcfgContainer [2018-06-18 16:43:32,056 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:43:32,057 INFO ]: Toolchain (without parser) took 82732.41 ms. Allocated memory was 306.2 MB in the beginning and 414.2 MB in the end (delta: 108.0 MB). Free memory was 259.6 MB in the beginning and 138.5 MB in the end (delta: 121.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:43:32,057 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:43:32,059 INFO ]: ChcToBoogie took 57.27 ms. Allocated memory is still 306.2 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:43:32,059 INFO ]: Boogie Preprocessor took 41.08 ms. Allocated memory is still 306.2 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-18 16:43:32,060 INFO ]: RCFGBuilder took 341.32 ms. Allocated memory is still 306.2 MB. Free memory was 256.6 MB in the beginning and 245.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:43:32,060 INFO ]: TraceAbstraction took 82274.80 ms. Allocated memory was 306.2 MB in the beginning and 414.2 MB in the end (delta: 108.0 MB). Free memory was 245.5 MB in the beginning and 138.5 MB in the end (delta: 107.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:43:32,069 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 57.27 ms. Allocated memory is still 306.2 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 41.08 ms. Allocated memory is still 306.2 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 341.32 ms. Allocated memory is still 306.2 MB. Free memory was 256.6 MB in the beginning and 245.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 82274.80 ms. Allocated memory was 306.2 MB in the beginning and 414.2 MB in the end (delta: 108.0 MB). Free memory was 245.5 MB in the beginning and 138.5 MB in the end (delta: 107.0 MB). Peak memory consumption was 215.0 MB. 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 XNF transformer was simplifying 96960 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 82.2s 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, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 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/switch.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-43-32-079.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-43-32-079.csv Completed graceful shutdown