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/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:19:46,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:19:46,895 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:19:46,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:19:46,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:19:46,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:19:46,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:19:46,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:19:46,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:19:46,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:19:46,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:19:46,920 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:19:46,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:19:46,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:19:46,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:19:46,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:19:46,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:19:46,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:19:46,938 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:19:46,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:19:46,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:19:46,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:19:46,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:19:46,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:19:46,943 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:19:46,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:19:46,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:19:46,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:19:46,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:19:46,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:19:46,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:19:46,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 17:19:46,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 17:19:46,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 17:19:46,954 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 17:19:46,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 17:19:46,955 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:19:46,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:19:46,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:19:46,977 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:19:46,977 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:19:46,978 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:19:46,978 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:19:46,980 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:19:46,980 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:19:46,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:19:46,980 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:19:46,981 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:19:46,981 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:19:46,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:19:46,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:19:46,981 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:19:46,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:19:46,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:19:46,982 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:19:46,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:19:46,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:19:46,982 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:19:46,985 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:19:46,985 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:19:47,038 INFO ]: Repository-Root is: /tmp [2018-06-26 17:19:47,053 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:19:47,058 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:19:47,059 INFO ]: Initializing SmtParser... [2018-06-26 17:19:47,059 INFO ]: SmtParser initialized [2018-06-26 17:19:47,060 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.2.smt2 [2018-06-26 17:19:47,061 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 [2018-06-26 17:19:47,145 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.2.smt2 unknown [2018-06-26 17:19:47,548 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.2.smt2 [2018-06-26 17:19:47,553 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:19:47,561 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:19:47,561 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:19:47,561 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:19:47,561 INFO ]: ChcToBoogie initialized [2018-06-26 17:19:47,565 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,634 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47 Unit [2018-06-26 17:19:47,634 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:19:47,635 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:19:47,635 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:19:47,635 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:19:47,659 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,659 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,680 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,680 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,707 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,711 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,716 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,720 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:19:47,721 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:19:47,721 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:19:47,721 INFO ]: RCFGBuilder initialized [2018-06-26 17:19:47,722 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (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) [2018-06-26 17:19:47,734 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:19:47,734 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:19:47,734 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:19:47,734 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:19:47,734 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:19:47,735 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 [2018-06-26 17:19:49,203 INFO ]: Using library mode [2018-06-26 17:19:49,204 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49 BoogieIcfgContainer [2018-06-26 17:19:49,204 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:19:49,205 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:19:49,205 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:19:49,206 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:19:49,206 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49" (1/1) ... [2018-06-26 17:19:49,254 INFO ]: Initial Icfg 145 locations, 283 edges [2018-06-26 17:19:49,255 INFO ]: Using Remove infeasible edges [2018-06-26 17:19:49,256 INFO ]: Using Maximize final states [2018-06-26 17:19:49,256 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:19:49,256 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:19:49,260 INFO ]: Using Remove sink states [2018-06-26 17:19:49,261 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:19:49,261 INFO ]: Using Use SBE [2018-06-26 17:19:49,274 INFO ]: SBE split 0 edges [2018-06-26 17:19:49,284 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 17:19:49,287 INFO ]: 0 new accepting states [2018-06-26 17:19:49,975 INFO ]: Removed 62 edges and 9 locations by large block encoding [2018-06-26 17:19:49,981 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-26 17:19:49,984 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:19:49,984 INFO ]: 0 new accepting states [2018-06-26 17:19:49,988 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:19:49,990 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:19:49,991 INFO ]: Encoded RCFG 133 locations, 270 edges [2018-06-26 17:19:49,992 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:19:49 BasicIcfg [2018-06-26 17:19:49,992 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:19:49,993 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:19:49,993 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:19:49,996 INFO ]: TraceAbstraction initialized [2018-06-26 17:19:49,996 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:19:47" (1/4) ... [2018-06-26 17:19:49,997 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b105470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,997 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (2/4) ... [2018-06-26 17:19:49,997 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b105470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,997 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49" (3/4) ... [2018-06-26 17:19:49,997 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b105470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,998 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:19:49" (4/4) ... [2018-06-26 17:19:50,000 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:19:50,007 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:19:50,037 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 17:19:50,071 INFO ]: Using default assertion order modulation [2018-06-26 17:19:50,071 INFO ]: Interprodecural is true [2018-06-26 17:19:50,071 INFO ]: Hoare is false [2018-06-26 17:19:50,071 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:19:50,071 INFO ]: Backedges is TWOTRACK [2018-06-26 17:19:50,071 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:19:50,071 INFO ]: Difference is false [2018-06-26 17:19:50,071 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:19:50,071 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:19:50,085 INFO ]: Start isEmpty. Operand 133 states. [2018-06-26 17:19:50,115 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-26 17:19:50,115 INFO ]: Found error trace [2018-06-26 17:19:50,116 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-26 17:19:50,117 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:50,122 INFO ]: Analyzing trace with hash 5765521, now seen corresponding path program 1 times [2018-06-26 17:19:50,124 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:50,124 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:50,157 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:50,157 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:50,157 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:50,213 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:50,337 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:19:50,338 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:50,338 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:19:50,339 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:19:50,351 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:19:50,351 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:19:50,355 INFO ]: Start difference. First operand 133 states. Second operand 3 states. [2018-06-26 17:19:52,154 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:19:52,154 INFO ]: Finished difference Result 263 states and 536 transitions. [2018-06-26 17:19:52,155 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:19:52,156 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-26 17:19:52,157 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:19:52,211 INFO ]: With dead ends: 263 [2018-06-26 17:19:52,211 INFO ]: Without dead ends: 263 [2018-06-26 17:19:52,213 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 [2018-06-26 17:19:52,231 INFO ]: Start minimizeSevpa. Operand 263 states. [2018-06-26 17:19:52,338 INFO ]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-06-26 17:19:52,339 INFO ]: Start removeUnreachable. Operand 263 states. [2018-06-26 17:19:52,352 INFO ]: Finished removeUnreachable. Reduced from 263 states to 263 states and 536 transitions. [2018-06-26 17:19:52,354 INFO ]: Start accepts. Automaton has 263 states and 536 transitions. Word has length 4 [2018-06-26 17:19:52,354 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:19:52,354 INFO ]: Abstraction has 263 states and 536 transitions. [2018-06-26 17:19:52,354 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:19:52,355 INFO ]: Start isEmpty. Operand 263 states and 536 transitions. [2018-06-26 17:19:52,358 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-26 17:19:52,358 INFO ]: Found error trace [2018-06-26 17:19:52,358 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-26 17:19:52,358 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:52,358 INFO ]: Analyzing trace with hash 5767443, now seen corresponding path program 1 times [2018-06-26 17:19:52,358 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:52,358 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:52,359 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:52,359 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:52,359 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:52,370 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:52,442 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:19:52,442 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:52,442 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:19:52,443 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:19:52,443 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:19:52,443 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:19:52,444 INFO ]: Start difference. First operand 263 states and 536 transitions. Second operand 3 states. [2018-06-26 17:19:53,701 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:19:53,701 INFO ]: Finished difference Result 393 states and 803 transitions. [2018-06-26 17:19:53,701 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:19:53,702 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-26 17:19:53,702 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:19:53,717 INFO ]: With dead ends: 393 [2018-06-26 17:19:53,717 INFO ]: Without dead ends: 393 [2018-06-26 17:19:53,718 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 [2018-06-26 17:19:53,718 INFO ]: Start minimizeSevpa. Operand 393 states. [2018-06-26 17:19:53,796 INFO ]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-06-26 17:19:53,796 INFO ]: Start removeUnreachable. Operand 393 states. [2018-06-26 17:19:53,807 INFO ]: Finished removeUnreachable. Reduced from 393 states to 393 states and 803 transitions. [2018-06-26 17:19:53,807 INFO ]: Start accepts. Automaton has 393 states and 803 transitions. Word has length 4 [2018-06-26 17:19:53,807 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:19:53,807 INFO ]: Abstraction has 393 states and 803 transitions. [2018-06-26 17:19:53,807 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:19:53,807 INFO ]: Start isEmpty. Operand 393 states and 803 transitions. [2018-06-26 17:19:53,842 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:19:53,842 INFO ]: Found error trace [2018-06-26 17:19:53,842 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:19:53,842 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:53,842 INFO ]: Analyzing trace with hash 161767643, now seen corresponding path program 1 times [2018-06-26 17:19:53,842 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:53,842 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:53,843 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:53,843 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:53,843 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:53,872 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:53,992 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:19:53,992 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:53,992 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:19:53,992 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:19:53,992 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:19:53,992 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:19:53,993 INFO ]: Start difference. First operand 393 states and 803 transitions. Second operand 5 states. [2018-06-26 17:19:56,823 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:19:56,823 INFO ]: Finished difference Result 936 states and 3138 transitions. [2018-06-26 17:19:56,824 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:19:56,824 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:19:56,824 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:19:56,983 INFO ]: With dead ends: 936 [2018-06-26 17:19:56,983 INFO ]: Without dead ends: 936 [2018-06-26 17:19:56,983 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:19:56,985 INFO ]: Start minimizeSevpa. Operand 936 states. [2018-06-26 17:19:57,343 INFO ]: Finished minimizeSevpa. Reduced states from 936 to 699. [2018-06-26 17:19:57,343 INFO ]: Start removeUnreachable. Operand 699 states. [2018-06-26 17:19:57,373 INFO ]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1976 transitions. [2018-06-26 17:19:57,373 INFO ]: Start accepts. Automaton has 699 states and 1976 transitions. Word has length 9 [2018-06-26 17:19:57,373 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:19:57,373 INFO ]: Abstraction has 699 states and 1976 transitions. [2018-06-26 17:19:57,373 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:19:57,373 INFO ]: Start isEmpty. Operand 699 states and 1976 transitions. [2018-06-26 17:19:57,408 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:19:57,408 INFO ]: Found error trace [2018-06-26 17:19:57,408 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:19:57,408 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:57,408 INFO ]: Analyzing trace with hash 769307122, now seen corresponding path program 1 times [2018-06-26 17:19:57,409 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:57,409 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:57,409 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:57,409 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:57,409 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:57,437 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:57,554 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:19:57,554 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:57,554 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:19:57,554 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:19:57,554 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:19:57,555 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:19:57,555 INFO ]: Start difference. First operand 699 states and 1976 transitions. Second operand 5 states. [2018-06-26 17:20:01,080 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:20:01,080 INFO ]: Finished difference Result 1693 states and 6288 transitions. [2018-06-26 17:20:01,081 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:20:01,081 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:20:01,081 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:20:01,225 INFO ]: With dead ends: 1693 [2018-06-26 17:20:01,225 INFO ]: Without dead ends: 1499 [2018-06-26 17:20:01,226 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:20:01,226 INFO ]: Start minimizeSevpa. Operand 1499 states. [2018-06-26 17:20:01,788 INFO ]: Finished minimizeSevpa. Reduced states from 1499 to 953. [2018-06-26 17:20:01,789 INFO ]: Start removeUnreachable. Operand 953 states. [2018-06-26 17:20:01,918 INFO ]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2723 transitions. [2018-06-26 17:20:01,918 INFO ]: Start accepts. Automaton has 953 states and 2723 transitions. Word has length 9 [2018-06-26 17:20:01,945 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:20:01,945 INFO ]: Abstraction has 953 states and 2723 transitions. [2018-06-26 17:20:01,945 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:20:01,945 INFO ]: Start isEmpty. Operand 953 states and 2723 transitions. [2018-06-26 17:20:01,980 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:20:01,981 INFO ]: Found error trace [2018-06-26 17:20:01,981 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:20:01,981 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:20:01,981 INFO ]: Analyzing trace with hash 769309044, now seen corresponding path program 1 times [2018-06-26 17:20:01,981 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:20:01,981 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:20:01,982 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:01,982 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:20:01,982 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:02,021 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:20:02,270 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:20:02,271 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:20:02,271 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:20:02,271 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:20:02,271 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:20:02,271 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:20:02,271 INFO ]: Start difference. First operand 953 states and 2723 transitions. Second operand 5 states. [2018-06-26 17:20:06,553 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:20:06,553 INFO ]: Finished difference Result 1464 states and 5178 transitions. [2018-06-26 17:20:06,553 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:20:06,553 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:20:06,553 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:20:06,640 INFO ]: With dead ends: 1464 [2018-06-26 17:20:06,640 INFO ]: Without dead ends: 1464 [2018-06-26 17:20:06,640 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:20:06,641 INFO ]: Start minimizeSevpa. Operand 1464 states. [2018-06-26 17:20:07,053 INFO ]: Finished minimizeSevpa. Reduced states from 1464 to 953. [2018-06-26 17:20:07,053 INFO ]: Start removeUnreachable. Operand 953 states. [2018-06-26 17:20:07,184 INFO ]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2718 transitions. [2018-06-26 17:20:07,184 INFO ]: Start accepts. Automaton has 953 states and 2718 transitions. Word has length 9 [2018-06-26 17:20:07,184 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:20:07,184 INFO ]: Abstraction has 953 states and 2718 transitions. [2018-06-26 17:20:07,184 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:20:07,185 INFO ]: Start isEmpty. Operand 953 states and 2718 transitions. [2018-06-26 17:20:07,225 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:20:07,225 INFO ]: Found error trace [2018-06-26 17:20:07,225 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:20:07,225 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:20:07,226 INFO ]: Analyzing trace with hash 769310005, now seen corresponding path program 1 times [2018-06-26 17:20:07,226 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:20:07,226 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:20:07,226 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:07,226 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:20:07,226 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:07,238 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:20:07,312 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:20:07,312 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:20:07,312 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 17:20:07,312 INFO ]: Interpolant automaton has 5 states [2018-06-26 17:20:07,312 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 17:20:07,312 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:20:07,312 INFO ]: Start difference. First operand 953 states and 2718 transitions. Second operand 5 states. [2018-06-26 17:20:09,053 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:20:09,053 INFO ]: Finished difference Result 2172 states and 7833 transitions. [2018-06-26 17:20:09,054 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-26 17:20:09,054 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-26 17:20:09,054 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:20:09,192 INFO ]: With dead ends: 2172 [2018-06-26 17:20:09,192 INFO ]: Without dead ends: 2172 [2018-06-26 17:20:09,192 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-06-26 17:20:09,193 INFO ]: Start minimizeSevpa. Operand 2172 states. [2018-06-26 17:20:09,724 INFO ]: Finished minimizeSevpa. Reduced states from 2172 to 1307. [2018-06-26 17:20:09,724 INFO ]: Start removeUnreachable. Operand 1307 states. [2018-06-26 17:20:09,771 INFO ]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 3815 transitions. [2018-06-26 17:20:09,771 INFO ]: Start accepts. Automaton has 1307 states and 3815 transitions. Word has length 9 [2018-06-26 17:20:09,771 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:20:09,771 INFO ]: Abstraction has 1307 states and 3815 transitions. [2018-06-26 17:20:09,771 INFO ]: Interpolant automaton has 5 states. [2018-06-26 17:20:09,771 INFO ]: Start isEmpty. Operand 1307 states and 3815 transitions. [2018-06-26 17:20:09,787 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-26 17:20:09,787 INFO ]: Found error trace [2018-06-26 17:20:09,788 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:20:09,788 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:20:09,788 INFO ]: Analyzing trace with hash 769310966, now seen corresponding path program 1 times [2018-06-26 17:20:09,788 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:20:09,788 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:20:09,789 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:09,789 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:20:09,789 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:09,814 INFO ]: Conjunction of SSA is sat [2018-06-26 17:20:09,817 INFO ]: Counterexample might be feasible [2018-06-26 17:20:09,837 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 17:20:09,839 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:20:09 BasicIcfg [2018-06-26 17:20:09,839 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:20:09,840 INFO ]: Toolchain (without parser) took 22286.44 ms. Allocated memory was 306.2 MB in the beginning and 779.1 MB in the end (delta: 472.9 MB). Free memory was 250.6 MB in the beginning and 375.1 MB in the end (delta: -124.5 MB). Peak memory consumption was 348.4 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,841 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:20:09,842 INFO ]: ChcToBoogie took 73.27 ms. Allocated memory is still 306.2 MB. Free memory was 250.6 MB in the beginning and 246.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,842 INFO ]: Boogie Preprocessor took 85.32 ms. Allocated memory is still 306.2 MB. Free memory was 246.6 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,845 INFO ]: RCFGBuilder took 1483.49 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 244.6 MB in the beginning and 291.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 66.2 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,845 INFO ]: BlockEncodingV2 took 787.37 ms. Allocated memory is still 325.1 MB. Free memory was 291.1 MB in the beginning and 248.7 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,846 INFO ]: TraceAbstraction took 19846.16 ms. Allocated memory was 325.1 MB in the beginning and 779.1 MB in the end (delta: 454.0 MB). Free memory was 248.7 MB in the beginning and 375.1 MB in the end (delta: -126.4 MB). Peak memory consumption was 327.7 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:09,855 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 145 locations, 283 edges - StatisticsResult: Encoded RCFG 133 locations, 270 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.2 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 73.27 ms. Allocated memory is still 306.2 MB. Free memory was 250.6 MB in the beginning and 246.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 85.32 ms. Allocated memory is still 306.2 MB. Free memory was 246.6 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1483.49 ms. Allocated memory was 306.2 MB in the beginning and 325.1 MB in the end (delta: 18.9 MB). Free memory was 244.6 MB in the beginning and 291.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 66.2 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 787.37 ms. Allocated memory is still 325.1 MB. Free memory was 291.1 MB in the beginning and 248.7 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 19846.16 ms. Allocated memory was 325.1 MB in the beginning and 779.1 MB in the end (delta: 454.0 MB). Free memory was 248.7 MB in the beginning and 375.1 MB in the end (delta: -126.4 MB). Peak memory consumption was 327.7 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assume true; [L0] CALL call gotoProc(1, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int); [L0] RET call gotoProc(1, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int); [L0] hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int := hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int; [L0] havoc hbv_False_4_Int, hbv_False_11_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_10_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_9_Int, hbv_False_5_Int, hbv_False_3_Int, hbv_False_12_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 133 locations, 1 error locations. UNSAFE Result, 19.7s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 16.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2946 SDtfs, 717 SDslu, 4471 SDs, 0 SdLazy, 7218 SolverSat, 1807 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1307occurred in iteration=6, 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: 2.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 2159 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-20-09-878.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-20-09-878.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-20-09-878.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-20-09-878.csv Received shutdown request...