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/point-location-nr.50.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 20:37:37,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 20:37:37,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 20:37:37,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 20:37:37,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 20:37:37,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 20:37:37,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 20:37:37,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 20:37:37,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 20:37:37,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 20:37:37,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 20:37:37,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 20:37:37,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 20:37:37,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 20:37:37,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 20:37:37,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 20:37:37,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 20:37:37,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 20:37:37,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 20:37:37,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 20:37:37,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 20:37:37,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 20:37:37,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 20:37:37,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 20:37:37,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 20:37:37,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 20:37:37,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 20:37:37,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 20:37:37,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 20:37:37,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 20:37:37,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 20:37:37,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 20:37:37,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 20:37:37,907 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 20:37:37,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 20:37:37,908 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 20:37:37,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 20:37:37,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 20:37:37,933 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 20:37:37,933 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 20:37:37,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 20:37:37,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 20:37:37,935 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 20:37:37,936 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 20:37:37,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 20:37:37,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 20:37:37,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 20:37:37,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 20:37:37,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:37:37,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 20:37:37,937 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 20:37:37,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 20:37:37,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 20:37:37,938 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 20:37:37,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 20:37:37,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 20:37:37,938 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 20:37:37,940 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 20:37:37,940 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 20:37:37,978 INFO ]: Repository-Root is: /tmp [2018-06-24 20:37:37,989 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 20:37:37,992 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 20:37:37,993 INFO ]: Initializing SmtParser... [2018-06-24 20:37:37,994 INFO ]: SmtParser initialized [2018-06-24 20:37:37,994 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.50.smt2 [2018-06-24 20:37:37,995 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 [2018-06-24 20:37:38,084 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.50.smt2 unknown [2018-06-24 20:37:38,419 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.50.smt2 [2018-06-24 20:37:38,424 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 20:37:38,432 INFO ]: Walking toolchain with 5 elements. [2018-06-24 20:37:38,432 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 20:37:38,432 INFO ]: Initializing ChcToBoogie... [2018-06-24 20:37:38,432 INFO ]: ChcToBoogie initialized [2018-06-24 20:37:38,435 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,543 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38 Unit [2018-06-24 20:37:38,544 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 20:37:38,544 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 20:37:38,544 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 20:37:38,544 INFO ]: Boogie Preprocessor initialized [2018-06-24 20:37:38,559 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,559 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,567 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,567 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,580 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,585 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,587 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... [2018-06-24 20:37:38,591 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 20:37:38,591 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 20:37:38,591 INFO ]: Initializing RCFGBuilder... [2018-06-24 20:37:38,591 INFO ]: RCFGBuilder initialized [2018-06-24 20:37:38,592 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 20:37:38,615 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 20:37:38,615 INFO ]: Found specification of procedure gotoProc [2018-06-24 20:37:38,615 INFO ]: Found implementation of procedure gotoProc [2018-06-24 20:37:38,615 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 20:37:38,615 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 20:37:38,615 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 20:37:40,064 INFO ]: Using library mode [2018-06-24 20:37:40,065 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:40 BoogieIcfgContainer [2018-06-24 20:37:40,065 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 20:37:40,065 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 20:37:40,065 INFO ]: Initializing BlockEncodingV2... [2018-06-24 20:37:40,067 INFO ]: BlockEncodingV2 initialized [2018-06-24 20:37:40,068 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:40" (1/1) ... [2018-06-24 20:37:40,109 INFO ]: Initial Icfg 144 locations, 277 edges [2018-06-24 20:37:40,111 INFO ]: Using Remove infeasible edges [2018-06-24 20:37:40,111 INFO ]: Using Maximize final states [2018-06-24 20:37:40,112 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 20:37:40,112 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 20:37:40,113 INFO ]: Using Remove sink states [2018-06-24 20:37:40,114 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 20:37:40,114 INFO ]: Using Use SBE [2018-06-24 20:37:40,128 INFO ]: SBE split 0 edges [2018-06-24 20:37:40,134 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-24 20:37:40,136 INFO ]: 0 new accepting states [2018-06-24 20:37:40,743 INFO ]: Removed 51 edges and 8 locations by large block encoding [2018-06-24 20:37:40,791 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-24 20:37:40,800 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 20:37:40,800 INFO ]: 0 new accepting states [2018-06-24 20:37:40,806 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 20:37:40,807 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 20:37:40,809 INFO ]: Encoded RCFG 133 locations, 265 edges [2018-06-24 20:37:40,809 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:37:40 BasicIcfg [2018-06-24 20:37:40,809 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 20:37:40,815 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 20:37:40,815 INFO ]: Initializing TraceAbstraction... [2018-06-24 20:37:40,818 INFO ]: TraceAbstraction initialized [2018-06-24 20:37:40,818 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 08:37:38" (1/4) ... [2018-06-24 20:37:40,820 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6192b758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 08:37:40, skipping insertion in model container [2018-06-24 20:37:40,820 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 08:37:38" (2/4) ... [2018-06-24 20:37:40,820 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6192b758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 08:37:40, skipping insertion in model container [2018-06-24 20:37:40,820 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 08:37:40" (3/4) ... [2018-06-24 20:37:40,820 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6192b758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:37:40, skipping insertion in model container [2018-06-24 20:37:40,821 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 08:37:40" (4/4) ... [2018-06-24 20:37:40,823 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 20:37:40,833 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 20:37:40,850 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 20:37:40,896 INFO ]: Using default assertion order modulation [2018-06-24 20:37:40,896 INFO ]: Interprodecural is true [2018-06-24 20:37:40,896 INFO ]: Hoare is false [2018-06-24 20:37:40,896 INFO ]: Compute interpolants for FPandBP [2018-06-24 20:37:40,896 INFO ]: Backedges is TWOTRACK [2018-06-24 20:37:40,897 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 20:37:40,897 INFO ]: Difference is false [2018-06-24 20:37:40,897 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 20:37:40,897 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 20:37:40,916 INFO ]: Start isEmpty. Operand 133 states. [2018-06-24 20:37:40,947 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-24 20:37:40,947 INFO ]: Found error trace [2018-06-24 20:37:40,948 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-24 20:37:40,948 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:40,954 INFO ]: Analyzing trace with hash 5571919, now seen corresponding path program 1 times [2018-06-24 20:37:40,956 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:40,956 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:41,001 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:41,001 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:41,001 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:41,046 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:37:41,160 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 20:37:41,162 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:37:41,163 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:37:41,164 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:37:41,179 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:37:41,180 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:41,183 INFO ]: Start difference. First operand 133 states. Second operand 3 states. [2018-06-24 20:37:42,915 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:37:42,916 INFO ]: Finished difference Result 263 states and 527 transitions. [2018-06-24 20:37:42,917 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:37:42,918 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-24 20:37:42,919 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:37:42,958 INFO ]: With dead ends: 263 [2018-06-24 20:37:42,958 INFO ]: Without dead ends: 263 [2018-06-24 20:37:42,960 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 [2018-06-24 20:37:42,979 INFO ]: Start minimizeSevpa. Operand 263 states. [2018-06-24 20:37:43,125 INFO ]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-06-24 20:37:43,131 INFO ]: Start removeUnreachable. Operand 263 states. [2018-06-24 20:37:43,154 INFO ]: Finished removeUnreachable. Reduced from 263 states to 263 states and 527 transitions. [2018-06-24 20:37:43,155 INFO ]: Start accepts. Automaton has 263 states and 527 transitions. Word has length 4 [2018-06-24 20:37:43,158 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:37:43,158 INFO ]: Abstraction has 263 states and 527 transitions. [2018-06-24 20:37:43,158 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:37:43,159 INFO ]: Start isEmpty. Operand 263 states and 527 transitions. [2018-06-24 20:37:43,186 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-24 20:37:43,187 INFO ]: Found error trace [2018-06-24 20:37:43,187 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:37:43,187 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:43,187 INFO ]: Analyzing trace with hash -1282795853, now seen corresponding path program 1 times [2018-06-24 20:37:43,187 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:43,187 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:43,188 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:43,188 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:43,188 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:43,206 INFO ]: Conjunction of SSA is unsat [2018-06-24 20:37:43,261 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 20:37:43,261 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 20:37:43,261 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 20:37:43,263 INFO ]: Interpolant automaton has 3 states [2018-06-24 20:37:43,263 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 20:37:43,263 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 20:37:43,263 INFO ]: Start difference. First operand 263 states and 527 transitions. Second operand 3 states. [2018-06-24 20:37:44,458 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 20:37:44,458 INFO ]: Finished difference Result 393 states and 785 transitions. [2018-06-24 20:37:44,459 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 20:37:44,459 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-24 20:37:44,459 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 20:37:44,469 INFO ]: With dead ends: 393 [2018-06-24 20:37:44,470 INFO ]: Without dead ends: 393 [2018-06-24 20:37:44,470 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 [2018-06-24 20:37:44,471 INFO ]: Start minimizeSevpa. Operand 393 states. [2018-06-24 20:37:44,544 INFO ]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-06-24 20:37:44,544 INFO ]: Start removeUnreachable. Operand 393 states. [2018-06-24 20:37:44,558 INFO ]: Finished removeUnreachable. Reduced from 393 states to 393 states and 785 transitions. [2018-06-24 20:37:44,558 INFO ]: Start accepts. Automaton has 393 states and 785 transitions. Word has length 8 [2018-06-24 20:37:44,558 INFO ]: Finished accepts. word is rejected. [2018-06-24 20:37:44,558 INFO ]: Abstraction has 393 states and 785 transitions. [2018-06-24 20:37:44,558 INFO ]: Interpolant automaton has 3 states. [2018-06-24 20:37:44,558 INFO ]: Start isEmpty. Operand 393 states and 785 transitions. [2018-06-24 20:37:44,573 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-24 20:37:44,573 INFO ]: Found error trace [2018-06-24 20:37:44,573 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 20:37:44,573 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 20:37:44,574 INFO ]: Analyzing trace with hash -1856238445, now seen corresponding path program 1 times [2018-06-24 20:37:44,574 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 20:37:44,574 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 20:37:44,574 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:44,574 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 20:37:44,574 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 20:37:44,602 INFO ]: Conjunction of SSA is sat [2018-06-24 20:37:44,609 INFO ]: Counterexample might be feasible [2018-06-24 20:37:44,622 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 20:37:44,623 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 08:37:44 BasicIcfg [2018-06-24 20:37:44,624 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 20:37:44,624 INFO ]: Toolchain (without parser) took 6199.96 ms. Allocated memory was 304.6 MB in the beginning and 388.5 MB in the end (delta: 83.9 MB). Free memory was 250.0 MB in the beginning and 237.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 96.6 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,626 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 20:37:44,626 INFO ]: ChcToBoogie took 111.60 ms. Allocated memory is still 304.6 MB. Free memory was 250.0 MB in the beginning and 246.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,627 INFO ]: Boogie Preprocessor took 46.85 ms. Allocated memory is still 304.6 MB. Free memory was 246.0 MB in the beginning and 244.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,627 INFO ]: RCFGBuilder took 1473.39 ms. Allocated memory was 304.6 MB in the beginning and 328.7 MB in the end (delta: 24.1 MB). Free memory was 244.0 MB in the beginning and 297.2 MB in the end (delta: -53.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,628 INFO ]: BlockEncodingV2 took 744.26 ms. Allocated memory is still 328.7 MB. Free memory was 297.2 MB in the beginning and 266.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,628 INFO ]: TraceAbstraction took 3808.55 ms. Allocated memory was 328.7 MB in the beginning and 388.5 MB in the end (delta: 59.8 MB). Free memory was 265.1 MB in the beginning and 237.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 3.6 GB. [2018-06-24 20:37:44,633 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 144 locations, 277 edges - StatisticsResult: Encoded RCFG 133 locations, 265 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 111.60 ms. Allocated memory is still 304.6 MB. Free memory was 250.0 MB in the beginning and 246.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 46.85 ms. Allocated memory is still 304.6 MB. Free memory was 246.0 MB in the beginning and 244.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1473.39 ms. Allocated memory was 304.6 MB in the beginning and 328.7 MB in the end (delta: 24.1 MB). Free memory was 244.0 MB in the beginning and 297.2 MB in the end (delta: -53.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 744.26 ms. Allocated memory is still 328.7 MB. Free memory was 297.2 MB in the beginning and 266.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 3808.55 ms. Allocated memory was 328.7 MB in the beginning and 388.5 MB in the end (delta: 59.8 MB). Free memory was 265.1 MB in the beginning and 237.2 MB in the end (delta: 27.9 MB). Peak memory consumption was 87.6 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, 0); [L0] assume true; [L0] CALL call gotoProc(6, 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, hbv_False_13_Int); [L0] COND TRUE gotoSwitch == 6 [L0] hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_5_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_8_Int, hhv_step_lturn_9_Int, hhv_step_lturn_10_Int, hhv_step_lturn_11_Int, hhv_step_lturn_12_Int := gpav_0_Int, gpav_1_Int, gpav_2_Int, gpav_3_Int, gpav_4_Int, gpav_5_Int, gpav_6_Int, gpav_7_Int, gpav_8_Int, gpav_9_Int, gpav_10_Int, gpav_11_Int, gpav_12_Int; [L0] RET call gotoProc(6, 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, hbv_False_13_Int); [L0] RET call gotoProc(0, 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, 3.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 634 SDtfs, 130 SDslu, 203 SDs, 0 SdLazy, 497 SolverSat, 354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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/point-location-nr.50.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_20-37-44-661.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.50.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_20-37-44-661.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.50.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_20-37-44-661.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.50.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_20-37-44-661.csv Received shutdown request...