java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.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/speed_e7_207.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 06:59:22,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 06:59:22,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 06:59:22,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 06:59:22,193 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 06:59:22,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 06:59:22,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 06:59:22,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 06:59:22,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 06:59:22,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 06:59:22,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 06:59:22,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 06:59:22,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 06:59:22,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 06:59:22,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 06:59:22,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 06:59:22,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 06:59:22,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 06:59:22,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 06:59:22,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 06:59:22,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 06:59:22,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 06:59:22,229 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 06:59:22,229 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 06:59:22,230 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 06:59:22,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 06:59:22,232 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 06:59:22,233 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 06:59:22,234 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 06:59:22,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 06:59:22,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 06:59:22,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 06:59:22,235 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 06:59:22,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 06:59:22,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 06:59:22,242 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 06:59:22,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 06:59:22,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 06:59:22,267 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 06:59:22,267 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 06:59:22,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 06:59:22,268 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 06:59:22,268 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 06:59:22,269 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 06:59:22,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 06:59:22,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 06:59:22,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 06:59:22,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 06:59:22,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 06:59:22,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 06:59:22,271 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 06:59:22,271 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 06:59:22,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 06:59:22,272 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 06:59:22,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 06:59:22,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 06:59:22,272 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 06:59:22,273 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 06:59:22,274 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 06:59:22,320 INFO ]: Repository-Root is: /tmp [2018-06-25 06:59:22,337 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 06:59:22,342 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 06:59:22,344 INFO ]: Initializing SmtParser... [2018-06-25 06:59:22,344 INFO ]: SmtParser initialized [2018-06-25 06:59:22,344 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/speed_e7_207.smt2 [2018-06-25 06:59:22,346 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 06:59:22,435 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/speed_e7_207.smt2 unknown [2018-06-25 06:59:22,703 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/speed_e7_207.smt2 [2018-06-25 06:59:22,708 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 06:59:22,714 INFO ]: Walking toolchain with 5 elements. [2018-06-25 06:59:22,715 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 06:59:22,715 INFO ]: Initializing ChcToBoogie... [2018-06-25 06:59:22,715 INFO ]: ChcToBoogie initialized [2018-06-25 06:59:22,721 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,790 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22 Unit [2018-06-25 06:59:22,790 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 06:59:22,791 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 06:59:22,791 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 06:59:22,791 INFO ]: Boogie Preprocessor initialized [2018-06-25 06:59:22,813 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,813 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,822 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,822 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,827 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,837 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,838 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (1/1) ... [2018-06-25 06:59:22,840 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 06:59:22,840 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 06:59:22,840 INFO ]: Initializing RCFGBuilder... [2018-06-25 06:59:22,840 INFO ]: RCFGBuilder initialized [2018-06-25 06:59:22,841 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (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) [2018-06-25 06:59:22,864 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 06:59:22,864 INFO ]: Found specification of procedure gotoProc [2018-06-25 06:59:22,864 INFO ]: Found implementation of procedure gotoProc [2018-06-25 06:59:22,864 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 06:59:22,864 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 06:59:22,864 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 [2018-06-25 06:59:23,124 INFO ]: Using library mode [2018-06-25 06:59:23,130 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 06:59:23 BoogieIcfgContainer [2018-06-25 06:59:23,130 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 06:59:23,130 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 06:59:23,130 INFO ]: Initializing BlockEncodingV2... [2018-06-25 06:59:23,131 INFO ]: BlockEncodingV2 initialized [2018-06-25 06:59:23,132 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 06:59:23" (1/1) ... [2018-06-25 06:59:23,160 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 06:59:23,161 INFO ]: Using Remove infeasible edges [2018-06-25 06:59:23,161 INFO ]: Using Maximize final states [2018-06-25 06:59:23,162 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 06:59:23,162 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 06:59:23,164 INFO ]: Using Remove sink states [2018-06-25 06:59:23,166 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 06:59:23,166 INFO ]: Using Use SBE [2018-06-25 06:59:23,177 WARN ]: expecting exponential blowup for input size 11 [2018-06-25 06:59:24,107 WARN ]: expecting exponential blowup for input size 11 [2018-06-25 06:59:24,636 WARN ]: aborting because of expected exponential blowup for input size 39 [2018-06-25 06:59:24,781 WARN ]: aborting because of expected exponential blowup for input size 39 [2018-06-25 06:59:24,782 INFO ]: SBE split 2 edges [2018-06-25 06:59:24,794 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-25 06:59:24,796 INFO ]: 0 new accepting states [2018-06-25 06:59:33,963 INFO ]: Removed 1037 edges and 2 locations by large block encoding [2018-06-25 06:59:33,966 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 06:59:33,977 INFO ]: Removed 7 edges and 0 locations because of local infeasibility [2018-06-25 06:59:33,978 INFO ]: 0 new accepting states [2018-06-25 06:59:33,979 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-25 06:59:33,979 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 06:59:33,984 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-25 06:59:33,986 INFO ]: 0 new accepting states [2018-06-25 06:59:33,987 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-25 06:59:33,987 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-25 06:59:33,993 INFO ]: Encoded RCFG 6 locations, 1032 edges [2018-06-25 06:59:33,994 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 06:59:33 BasicIcfg [2018-06-25 06:59:33,994 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-25 06:59:33,996 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 06:59:33,996 INFO ]: Initializing TraceAbstraction... [2018-06-25 06:59:33,999 INFO ]: TraceAbstraction initialized [2018-06-25 06:59:33,999 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 06:59:22" (1/4) ... [2018-06-25 06:59:34,000 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cf2647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 06:59:34, skipping insertion in model container [2018-06-25 06:59:34,000 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 06:59:22" (2/4) ... [2018-06-25 06:59:34,000 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cf2647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 06:59:34, skipping insertion in model container [2018-06-25 06:59:34,000 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 06:59:23" (3/4) ... [2018-06-25 06:59:34,001 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cf2647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 06:59:34, skipping insertion in model container [2018-06-25 06:59:34,001 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 25.06 06:59:33" (4/4) ... [2018-06-25 06:59:34,003 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-25 06:59:34,012 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 06:59:34,021 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 06:59:34,079 INFO ]: Using default assertion order modulation [2018-06-25 06:59:34,080 INFO ]: Interprodecural is true [2018-06-25 06:59:34,080 INFO ]: Hoare is false [2018-06-25 06:59:34,080 INFO ]: Compute interpolants for FPandBP [2018-06-25 06:59:34,080 INFO ]: Backedges is TWOTRACK [2018-06-25 06:59:34,080 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 06:59:34,080 INFO ]: Difference is false [2018-06-25 06:59:34,080 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 06:59:34,080 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 06:59:34,101 INFO ]: Start isEmpty. Operand 6 states. [2018-06-25 06:59:34,124 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-25 06:59:34,124 INFO ]: Found error trace [2018-06-25 06:59:34,125 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-25 06:59:34,125 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 06:59:34,130 INFO ]: Analyzing trace with hash 98094358, now seen corresponding path program 1 times [2018-06-25 06:59:34,132 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 06:59:34,132 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 06:59:34,181 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 06:59:34,181 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 06:59:34,181 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 06:59:34,235 INFO ]: Conjunction of SSA is unsat [2018-06-25 06:59:34,370 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 06:59:34,373 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 06:59:34,373 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 06:59:34,376 INFO ]: Interpolant automaton has 3 states [2018-06-25 06:59:34,393 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 06:59:34,394 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 06:59:34,397 INFO ]: Start difference. First operand 6 states. Second operand 3 states. [2018-06-25 06:59:36,886 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 06:59:36,886 INFO ]: Finished difference Result 3 states and 1025 transitions. [2018-06-25 06:59:36,889 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 06:59:36,890 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-25 06:59:36,891 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 06:59:36,901 INFO ]: With dead ends: 3 [2018-06-25 06:59:36,901 INFO ]: Without dead ends: 0 [2018-06-25 06:59:36,904 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 06:59:36,922 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-25 06:59:36,932 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-25 06:59:36,933 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-25 06:59:36,933 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-25 06:59:36,934 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-06-25 06:59:36,934 INFO ]: Finished accepts. word is rejected. [2018-06-25 06:59:36,934 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-25 06:59:36,934 INFO ]: Interpolant automaton has 3 states. [2018-06-25 06:59:36,934 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-25 06:59:36,934 INFO ]: Finished isEmpty. No accepting run. [2018-06-25 06:59:36,938 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-25 06:59:36,942 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 06:59:36 BasicIcfg [2018-06-25 06:59:36,942 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 06:59:36,943 INFO ]: Toolchain (without parser) took 14234.81 ms. Allocated memory was 306.2 MB in the beginning and 595.6 MB in the end (delta: 289.4 MB). Free memory was 258.5 MB in the beginning and 327.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 220.8 MB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,945 INFO ]: SmtParser took 0.07 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. [2018-06-25 06:59:36,945 INFO ]: ChcToBoogie took 76.31 ms. Allocated memory is still 306.2 MB. Free memory was 258.5 MB in the beginning and 255.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,945 INFO ]: Boogie Preprocessor took 48.35 ms. Allocated memory is still 306.2 MB. Free memory was 255.5 MB in the beginning and 254.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,946 INFO ]: RCFGBuilder took 290.02 ms. Allocated memory is still 306.2 MB. Free memory was 254.5 MB in the beginning and 241.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,946 INFO ]: BlockEncodingV2 took 10863.51 ms. Allocated memory was 306.2 MB in the beginning and 471.9 MB in the end (delta: 165.7 MB). Free memory was 241.6 MB in the beginning and 240.9 MB in the end (delta: 656.9 kB). Peak memory consumption was 242.6 MB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,947 INFO ]: TraceAbstraction took 2946.18 ms. Allocated memory was 471.9 MB in the beginning and 595.6 MB in the end (delta: 123.7 MB). Free memory was 236.1 MB in the beginning and 327.1 MB in the end (delta: -91.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 3.6 GB. [2018-06-25 06:59:36,951 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 1032 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 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 76.31 ms. Allocated memory is still 306.2 MB. Free memory was 258.5 MB in the beginning and 255.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 48.35 ms. Allocated memory is still 306.2 MB. Free memory was 255.5 MB in the beginning and 254.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 290.02 ms. Allocated memory is still 306.2 MB. Free memory was 254.5 MB in the beginning and 241.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 10863.51 ms. Allocated memory was 306.2 MB in the beginning and 471.9 MB in the end (delta: 165.7 MB). Free memory was 241.6 MB in the beginning and 240.9 MB in the end (delta: 656.9 kB). Peak memory consumption was 242.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2946.18 ms. Allocated memory was 471.9 MB in the beginning and 595.6 MB in the end (delta: 123.7 MB). Free memory was 236.1 MB in the beginning and 327.1 MB in the end (delta: -91.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1025 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 0 SolverSat, 1027 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s 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=6occurred 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/speed_e7_207.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-25_06-59-36-978.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/speed_e7_207.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-25_06-59-36-978.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/speed_e7_207.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-25_06-59-36-978.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/speed_e7_207.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_06-59-36-978.csv Received shutdown request...