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/reve/022d-horn.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:07:57,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:07:57,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:07:57,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:07:57,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:07:57,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:07:57,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:07:57,138 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:07:57,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:07:57,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:07:57,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:07:57,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:07:57,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:07:57,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:07:57,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:07:57,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:07:57,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:07:57,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:07:57,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:07:57,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:07:57,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:07:57,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:07:57,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:07:57,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:07:57,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:07:57,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:07:57,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:07:57,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:07:57,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:07:57,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:07:57,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:07:57,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:07:57,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:07:57,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:07:57,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:07:57,168 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:07:57,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:07:57,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:07:57,186 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:07:57,186 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:07:57,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:07:57,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:07:57,188 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:07:57,189 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:07:57,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:07:57,189 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:07:57,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:07:57,190 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:07:57,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:07:57,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:07:57,190 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:07:57,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:07:57,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:07:57,191 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:07:57,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:07:57,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:07:57,191 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:07:57,193 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:07:57,193 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:07:57,245 INFO ]: Repository-Root is: /tmp [2018-06-24 21:07:57,265 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:07:57,272 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:07:57,273 INFO ]: Initializing SmtParser... [2018-06-24 21:07:57,274 INFO ]: SmtParser initialized [2018-06-24 21:07:57,274 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/reve/022d-horn.smt2 [2018-06-24 21:07:57,275 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 21:07:57,365 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/reve/022d-horn.smt2 unknown [2018-06-24 21:07:57,695 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/reve/022d-horn.smt2 [2018-06-24 21:07:57,700 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:07:57,706 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:07:57,707 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:07:57,707 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:07:57,707 INFO ]: ChcToBoogie initialized [2018-06-24 21:07:57,711 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,774 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57 Unit [2018-06-24 21:07:57,774 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:07:57,775 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:07:57,775 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:07:57,775 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:07:57,797 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,797 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,805 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,805 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,822 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,825 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,835 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (1/1) ... [2018-06-24 21:07:57,838 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:07:57,838 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:07:57,838 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:07:57,838 INFO ]: RCFGBuilder initialized [2018-06-24 21:07:57,840 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (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) [2018-06-24 21:07:57,873 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:07:57,873 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:07:57,873 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:07:57,873 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:07:57,873 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:07:57,873 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 [2018-06-24 21:07:58,502 INFO ]: Using library mode [2018-06-24 21:07:58,503 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:07:58 BoogieIcfgContainer [2018-06-24 21:07:58,503 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:07:58,504 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:07:58,504 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:07:58,505 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:07:58,505 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:07:58" (1/1) ... [2018-06-24 21:07:58,525 INFO ]: Initial Icfg 31 locations, 48 edges [2018-06-24 21:07:58,526 INFO ]: Using Remove infeasible edges [2018-06-24 21:07:58,527 INFO ]: Using Maximize final states [2018-06-24 21:07:58,527 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:07:58,528 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:07:58,531 INFO ]: Using Remove sink states [2018-06-24 21:07:58,534 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:07:58,534 INFO ]: Using Use SBE [2018-06-24 21:07:58,541 INFO ]: SBE split 0 edges [2018-06-24 21:07:58,548 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-24 21:07:58,550 INFO ]: 0 new accepting states [2018-06-24 21:07:58,790 INFO ]: Removed 18 edges and 6 locations by large block encoding [2018-06-24 21:07:58,792 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:07:58,793 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:07:58,793 INFO ]: 0 new accepting states [2018-06-24 21:07:58,794 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:07:58,794 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:07:58,795 INFO ]: Encoded RCFG 23 locations, 42 edges [2018-06-24 21:07:58,795 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:07:58 BasicIcfg [2018-06-24 21:07:58,795 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:07:58,796 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:07:58,796 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:07:58,799 INFO ]: TraceAbstraction initialized [2018-06-24 21:07:58,799 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:07:57" (1/4) ... [2018-06-24 21:07:58,800 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a8f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:07:58, skipping insertion in model container [2018-06-24 21:07:58,800 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:07:57" (2/4) ... [2018-06-24 21:07:58,800 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a8f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:07:58, skipping insertion in model container [2018-06-24 21:07:58,800 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:07:58" (3/4) ... [2018-06-24 21:07:58,802 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a8f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:07:58, skipping insertion in model container [2018-06-24 21:07:58,803 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:07:58" (4/4) ... [2018-06-24 21:07:58,805 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:07:58,815 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:07:58,822 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:07:58,865 INFO ]: Using default assertion order modulation [2018-06-24 21:07:58,865 INFO ]: Interprodecural is true [2018-06-24 21:07:58,865 INFO ]: Hoare is false [2018-06-24 21:07:58,865 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:07:58,865 INFO ]: Backedges is TWOTRACK [2018-06-24 21:07:58,865 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:07:58,865 INFO ]: Difference is false [2018-06-24 21:07:58,865 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:07:58,865 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:07:58,875 INFO ]: Start isEmpty. Operand 23 states. [2018-06-24 21:07:58,887 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:07:58,887 INFO ]: Found error trace [2018-06-24 21:07:58,888 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:07:58,888 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:07:58,893 INFO ]: Analyzing trace with hash 41282115, now seen corresponding path program 1 times [2018-06-24 21:07:58,895 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:07:58,895 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:07:58,934 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:07:58,934 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:07:58,934 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:07:58,988 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:07:59,062 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:07:59,065 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:07:59,065 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:07:59,067 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:07:59,084 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:07:59,084 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:07:59,087 INFO ]: Start difference. First operand 23 states. Second operand 3 states. [2018-06-24 21:07:59,428 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:07:59,428 INFO ]: Finished difference Result 43 states and 81 transitions. [2018-06-24 21:07:59,429 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:07:59,430 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:07:59,430 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:07:59,441 INFO ]: With dead ends: 43 [2018-06-24 21:07:59,441 INFO ]: Without dead ends: 43 [2018-06-24 21:07:59,443 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 21:07:59,456 INFO ]: Start minimizeSevpa. Operand 43 states. [2018-06-24 21:07:59,492 INFO ]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-06-24 21:07:59,493 INFO ]: Start removeUnreachable. Operand 43 states. [2018-06-24 21:07:59,496 INFO ]: Finished removeUnreachable. Reduced from 43 states to 43 states and 81 transitions. [2018-06-24 21:07:59,497 INFO ]: Start accepts. Automaton has 43 states and 81 transitions. Word has length 5 [2018-06-24 21:07:59,499 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:07:59,499 INFO ]: Abstraction has 43 states and 81 transitions. [2018-06-24 21:07:59,499 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:07:59,499 INFO ]: Start isEmpty. Operand 43 states and 81 transitions. [2018-06-24 21:07:59,502 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:07:59,502 INFO ]: Found error trace [2018-06-24 21:07:59,502 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:07:59,502 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:07:59,502 INFO ]: Analyzing trace with hash 41341697, now seen corresponding path program 1 times [2018-06-24 21:07:59,502 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:07:59,502 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:07:59,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:07:59,503 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:07:59,503 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:07:59,516 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:07:59,592 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:07:59,593 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:07:59,593 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:07:59,594 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:07:59,594 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:07:59,594 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:07:59,595 INFO ]: Start difference. First operand 43 states and 81 transitions. Second operand 3 states. [2018-06-24 21:07:59,912 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:07:59,913 INFO ]: Finished difference Result 79 states and 151 transitions. [2018-06-24 21:07:59,914 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:07:59,914 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:07:59,914 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:07:59,921 INFO ]: With dead ends: 79 [2018-06-24 21:07:59,921 INFO ]: Without dead ends: 79 [2018-06-24 21:07:59,922 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 21:07:59,922 INFO ]: Start minimizeSevpa. Operand 79 states. [2018-06-24 21:07:59,963 INFO ]: Finished minimizeSevpa. Reduced states from 79 to 45. [2018-06-24 21:07:59,963 INFO ]: Start removeUnreachable. Operand 45 states. [2018-06-24 21:07:59,965 INFO ]: Finished removeUnreachable. Reduced from 45 states to 45 states and 87 transitions. [2018-06-24 21:07:59,965 INFO ]: Start accepts. Automaton has 45 states and 87 transitions. Word has length 5 [2018-06-24 21:07:59,965 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:07:59,965 INFO ]: Abstraction has 45 states and 87 transitions. [2018-06-24 21:07:59,965 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:07:59,965 INFO ]: Start isEmpty. Operand 45 states and 87 transitions. [2018-06-24 21:07:59,974 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-24 21:07:59,974 INFO ]: Found error trace [2018-06-24 21:07:59,974 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:07:59,974 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:07:59,975 INFO ]: Analyzing trace with hash -1944449865, now seen corresponding path program 1 times [2018-06-24 21:07:59,975 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:07:59,975 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:07:59,976 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:07:59,976 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:07:59,976 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:08:00,023 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:08:00,144 INFO ]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-24 21:08:00,144 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:08:00,144 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:08:00,145 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:08:00,145 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:08:00,145 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:08:00,145 INFO ]: Start difference. First operand 45 states and 87 transitions. Second operand 3 states. [2018-06-24 21:08:00,250 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:08:00,250 INFO ]: Finished difference Result 73 states and 139 transitions. [2018-06-24 21:08:00,250 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:08:00,250 INFO ]: Start accepts. Automaton has 3 states. Word has length 11 [2018-06-24 21:08:00,250 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:08:00,253 INFO ]: With dead ends: 73 [2018-06-24 21:08:00,253 INFO ]: Without dead ends: 73 [2018-06-24 21:08:00,253 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 21:08:00,254 INFO ]: Start minimizeSevpa. Operand 73 states. [2018-06-24 21:08:00,263 INFO ]: Finished minimizeSevpa. Reduced states from 73 to 47. [2018-06-24 21:08:00,263 INFO ]: Start removeUnreachable. Operand 47 states. [2018-06-24 21:08:00,265 INFO ]: Finished removeUnreachable. Reduced from 47 states to 47 states and 91 transitions. [2018-06-24 21:08:00,265 INFO ]: Start accepts. Automaton has 47 states and 91 transitions. Word has length 11 [2018-06-24 21:08:00,265 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:08:00,265 INFO ]: Abstraction has 47 states and 91 transitions. [2018-06-24 21:08:00,265 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:08:00,265 INFO ]: Start isEmpty. Operand 47 states and 91 transitions. [2018-06-24 21:08:00,269 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-24 21:08:00,269 INFO ]: Found error trace [2018-06-24 21:08:00,269 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:08:00,270 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:08:00,270 INFO ]: Analyzing trace with hash -1137325103, now seen corresponding path program 1 times [2018-06-24 21:08:00,270 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:08:00,270 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:08:00,271 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:08:00,271 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:08:00,271 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:08:00,290 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:08:00,545 INFO ]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 21:08:00,545 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-24 21:08:00,545 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-24 21:08:00,562 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:08:00,629 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:08:00,638 INFO ]: Computing forward predicates... [2018-06-24 21:08:00,981 INFO ]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 21:08:01,002 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-24 21:08:01,002 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-06-24 21:08:01,003 INFO ]: Interpolant automaton has 10 states [2018-06-24 21:08:01,003 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-24 21:08:01,003 INFO ]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-06-24 21:08:01,003 INFO ]: Start difference. First operand 47 states and 91 transitions. Second operand 10 states. [2018-06-24 21:08:03,806 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:08:03,806 INFO ]: Finished difference Result 184 states and 622 transitions. [2018-06-24 21:08:03,806 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-24 21:08:03,806 INFO ]: Start accepts. Automaton has 10 states. Word has length 11 [2018-06-24 21:08:03,806 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:08:03,820 INFO ]: With dead ends: 184 [2018-06-24 21:08:03,820 INFO ]: Without dead ends: 131 [2018-06-24 21:08:03,821 INFO ]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2018-06-24 21:08:03,821 INFO ]: Start minimizeSevpa. Operand 131 states. [2018-06-24 21:08:03,866 INFO ]: Finished minimizeSevpa. Reduced states from 131 to 68. [2018-06-24 21:08:03,866 INFO ]: Start removeUnreachable. Operand 68 states. [2018-06-24 21:08:03,868 INFO ]: Finished removeUnreachable. Reduced from 68 states to 68 states and 152 transitions. [2018-06-24 21:08:03,868 INFO ]: Start accepts. Automaton has 68 states and 152 transitions. Word has length 11 [2018-06-24 21:08:03,868 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:08:03,868 INFO ]: Abstraction has 68 states and 152 transitions. [2018-06-24 21:08:03,868 INFO ]: Interpolant automaton has 10 states. [2018-06-24 21:08:03,868 INFO ]: Start isEmpty. Operand 68 states and 152 transitions. [2018-06-24 21:08:03,871 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-24 21:08:03,871 INFO ]: Found error trace [2018-06-24 21:08:03,871 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:08:03,871 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:08:03,872 INFO ]: Analyzing trace with hash 1993586365, now seen corresponding path program 1 times [2018-06-24 21:08:03,872 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:08:03,872 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:08:03,873 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:08:03,873 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:08:03,873 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:08:03,895 INFO ]: Conjunction of SSA is sat [2018-06-24 21:08:03,899 INFO ]: Counterexample might be feasible [2018-06-24 21:08:03,912 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:08:03,913 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:08:03 BasicIcfg [2018-06-24 21:08:03,913 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:08:03,914 INFO ]: Toolchain (without parser) took 6213.78 ms. Allocated memory was 303.0 MB in the beginning and 386.9 MB in the end (delta: 83.9 MB). Free memory was 253.4 MB in the beginning and 239.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 97.9 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,916 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:08:03,916 INFO ]: ChcToBoogie took 67.87 ms. Allocated memory is still 303.0 MB. Free memory was 253.4 MB in the beginning and 251.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,916 INFO ]: Boogie Preprocessor took 62.72 ms. Allocated memory is still 303.0 MB. Free memory was 251.4 MB in the beginning and 249.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,917 INFO ]: RCFGBuilder took 665.02 ms. Allocated memory is still 303.0 MB. Free memory was 249.5 MB in the beginning and 229.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,917 INFO ]: BlockEncodingV2 took 291.33 ms. Allocated memory is still 303.0 MB. Free memory was 229.5 MB in the beginning and 221.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,918 INFO ]: TraceAbstraction took 5117.04 ms. Allocated memory was 303.0 MB in the beginning and 386.9 MB in the end (delta: 83.9 MB). Free memory was 221.5 MB in the beginning and 239.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 65.9 MB. Max. memory is 3.6 GB. [2018-06-24 21:08:03,922 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 31 locations, 48 edges - StatisticsResult: Encoded RCFG 23 locations, 42 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.87 ms. Allocated memory is still 303.0 MB. Free memory was 253.4 MB in the beginning and 251.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.72 ms. Allocated memory is still 303.0 MB. Free memory was 251.4 MB in the beginning and 249.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 665.02 ms. Allocated memory is still 303.0 MB. Free memory was 249.5 MB in the beginning and 229.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 291.33 ms. Allocated memory is still 303.0 MB. Free memory was 229.5 MB in the beginning and 221.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 5117.04 ms. Allocated memory was 303.0 MB in the beginning and 386.9 MB in the end (delta: 83.9 MB). Free memory was 221.5 MB in the beginning and 239.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 65.9 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); [L0] assume (((hbv_False_5_Int == hbv_False_6_Int && !(hbv_False_7_Int - hbv_False_8_Int + -1 >= 0)) && !(hbv_False_9_Int == hbv_False_10_Int)) && !(hbv_False_3_Int - hbv_False_4_Int + -1 >= 0)) && hbv_False_1_Int == hbv_False_2_Int; [L0] hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_Int := hbv_False_7_Int, hbv_False_9_Int, hbv_False_8_Int, hbv_False_3_Int, hbv_False_10_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Int, hbv_False_6_Int, hbv_False_2_Int; [L0] havoc hbv_False_4_Int, hbv_False_5_Int, hbv_False_9_Int, hbv_False_8_Int, hbv_False_3_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_10_Int, hbv_False_1_Int, hbv_False_2_Int; [L0] assume ((((!(hhv_INV1_2_Int - hhv_INV1_0_Int + -1 >= 0) && !(hhv_INV1_5_Int - hhv_INV1_3_Int + -1 >= 0)) && hhv_INV1_7_Int == hhv_INV1_9_Int) && hhv_INV1_6_Int == hhv_INV1_8_Int) && hbv_INV1_1_Int - hbv_INV1_2_Int + -1 >= 0) && hbv_INV1_3_Int - hbv_INV1_4_Int + -1 >= 0; [L0] CALL call gotoProc(1, hbv_INV1_1_Int, hbv_INV1_5_Int, hbv_INV1_2_Int, hbv_INV1_3_Int, hbv_INV1_6_Int, hbv_INV1_4_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_Int); [L0] COND TRUE gotoSwitch == 1 [L0] hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_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; [L0] RET call gotoProc(1, hbv_INV1_1_Int, hbv_INV1_5_Int, hbv_INV1_2_Int, hbv_INV1_3_Int, hbv_INV1_6_Int, hbv_INV1_4_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_Int); [L0] hhv_INV2_0_Int, hhv_INV2_1_Int, hhv_INV2_2_Int, hhv_INV2_3_Int, hhv_INV2_4_Int, hhv_INV2_5_Int, hhv_INV2_6_Int, hhv_INV2_7_Int, hhv_INV2_8_Int, hhv_INV2_9_Int := hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_Int; [L0] havoc hbv_INV1_4_Int, hbv_INV1_3_Int, hbv_INV1_1_Int, hbv_INV1_6_Int, hbv_INV1_5_Int, hbv_INV1_2_Int; [L0] assume ((((((hhv_INV2_0_Int - hbv_INV2_2_Int + -1 >= 0 && hhv_INV2_3_Int - hbv_INV2_1_Int + -1 >= 0) && hbv_INV2_2_Int + 1 == hhv_INV2_2_Int) && hhv_INV2_6_Int == hhv_INV2_8_Int) && hbv_INV2_4_Int + -2 + 1 == hhv_INV2_1_Int) && hbv_INV2_3_Int + -2 == hhv_INV2_4_Int) && hbv_INV2_1_Int + 1 == hhv_INV2_5_Int) && hhv_INV2_7_Int == hhv_INV2_9_Int; [L0] hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_Int, hhv_INV1_6_Int, hhv_INV1_7_Int, hhv_INV1_8_Int, hhv_INV1_9_Int := hhv_INV2_0_Int, hbv_INV2_4_Int, hbv_INV2_2_Int, hhv_INV2_3_Int, hbv_INV2_3_Int, hbv_INV2_1_Int, hhv_INV2_6_Int, hhv_INV2_7_Int, hhv_INV2_8_Int, hhv_INV2_9_Int; [L0] havoc hbv_INV2_3_Int, hbv_INV2_1_Int, hbv_INV2_4_Int, hbv_INV2_2_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. UNSAFE Result, 5.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 281 SDtfs, 236 SDslu, 263 SDs, 0 SdLazy, 1026 SolverSat, 359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1330 SizeOfPredicates, 8 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 13/15 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/022d-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-08-03-934.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022d-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-08-03-934.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022d-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-08-03-934.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022d-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-08-03-934.csv Received shutdown request...