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/022c-horn.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:09:56,067 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:09:56,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:09:56,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:09:56,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:09:56,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:09:56,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:09:56,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:09:56,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:09:56,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:09:56,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:09:56,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:09:56,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:09:56,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:09:56,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:09:56,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:09:56,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:09:56,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:09:56,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:09:56,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:09:56,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:09:56,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:09:56,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:09:56,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:09:56,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:09:56,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:09:56,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:09:56,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:09:56,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:09:56,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:09:56,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:09:56,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:09:56,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:09:56,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:09:56,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:09:56,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:09:56,138 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:09:56,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:09:56,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:09:56,164 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:09:56,164 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:09:56,166 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:09:56,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:09:56,167 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:09:56,167 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:09:56,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:09:56,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:09:56,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:09:56,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:09:56,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:09:56,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:09:56,168 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:09:56,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:09:56,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:09:56,169 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:09:56,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:09:56,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:09:56,169 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:09:56,172 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:09:56,172 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:09:56,218 INFO ]: Repository-Root is: /tmp [2018-06-26 18:09:56,234 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:09:56,239 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:09:56,240 INFO ]: Initializing SmtParser... [2018-06-26 18:09:56,241 INFO ]: SmtParser initialized [2018-06-26 18:09:56,241 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/reve/022c-horn.smt2 [2018-06-26 18:09:56,242 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 18:09:56,330 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/reve/022c-horn.smt2 unknown [2018-06-26 18:09:56,621 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/reve/022c-horn.smt2 [2018-06-26 18:09:56,625 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:09:56,632 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:09:56,633 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:09:56,633 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:09:56,633 INFO ]: ChcToBoogie initialized [2018-06-26 18:09:56,640 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,707 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56 Unit [2018-06-26 18:09:56,707 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:09:56,708 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:09:56,708 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:09:56,708 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:09:56,728 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,732 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,740 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,740 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,744 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,747 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,748 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (1/1) ... [2018-06-26 18:09:56,750 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:09:56,751 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:09:56,751 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:09:56,751 INFO ]: RCFGBuilder initialized [2018-06-26 18:09:56,756 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (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 18:09:56,775 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:09:56,775 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:09:56,775 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:09:56,775 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:09:56,775 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:09:56,775 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 18:09:57,175 INFO ]: Using library mode [2018-06-26 18:09:57,176 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:09:57 BoogieIcfgContainer [2018-06-26 18:09:57,176 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:09:57,176 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:09:57,176 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:09:57,177 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:09:57,178 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:09:57" (1/1) ... [2018-06-26 18:09:57,196 INFO ]: Initial Icfg 31 locations, 48 edges [2018-06-26 18:09:57,197 INFO ]: Using Remove infeasible edges [2018-06-26 18:09:57,197 INFO ]: Using Maximize final states [2018-06-26 18:09:57,198 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:09:57,198 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:09:57,200 INFO ]: Using Remove sink states [2018-06-26 18:09:57,200 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:09:57,200 INFO ]: Using Use SBE [2018-06-26 18:09:57,208 INFO ]: SBE split 0 edges [2018-06-26 18:09:57,213 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 18:09:57,214 INFO ]: 0 new accepting states [2018-06-26 18:09:57,336 INFO ]: Removed 18 edges and 6 locations by large block encoding [2018-06-26 18:09:57,338 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:09:57,341 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:09:57,341 INFO ]: 0 new accepting states [2018-06-26 18:09:57,342 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:09:57,342 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:09:57,343 INFO ]: Encoded RCFG 23 locations, 42 edges [2018-06-26 18:09:57,343 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:09:57 BasicIcfg [2018-06-26 18:09:57,343 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:09:57,344 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:09:57,344 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:09:57,349 INFO ]: TraceAbstraction initialized [2018-06-26 18:09:57,349 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:09:56" (1/4) ... [2018-06-26 18:09:57,350 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4425d2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:09:57, skipping insertion in model container [2018-06-26 18:09:57,350 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:09:56" (2/4) ... [2018-06-26 18:09:57,350 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4425d2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:09:57, skipping insertion in model container [2018-06-26 18:09:57,350 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:09:57" (3/4) ... [2018-06-26 18:09:57,351 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4425d2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:09:57, skipping insertion in model container [2018-06-26 18:09:57,351 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:09:57" (4/4) ... [2018-06-26 18:09:57,355 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:09:57,367 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:09:57,378 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 18:09:57,415 INFO ]: Using default assertion order modulation [2018-06-26 18:09:57,416 INFO ]: Interprodecural is true [2018-06-26 18:09:57,416 INFO ]: Hoare is false [2018-06-26 18:09:57,416 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:09:57,416 INFO ]: Backedges is TWOTRACK [2018-06-26 18:09:57,416 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:09:57,416 INFO ]: Difference is false [2018-06-26 18:09:57,416 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:09:57,416 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:09:57,431 INFO ]: Start isEmpty. Operand 23 states. [2018-06-26 18:09:57,443 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:09:57,443 INFO ]: Found error trace [2018-06-26 18:09:57,444 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:09:57,444 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:09:57,449 INFO ]: Analyzing trace with hash 41252324, now seen corresponding path program 1 times [2018-06-26 18:09:57,450 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:09:57,450 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:09:57,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:57,484 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:57,484 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:57,522 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:57,582 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:09:57,584 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:09:57,584 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:09:57,585 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:09:57,597 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:09:57,598 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:09:57,600 INFO ]: Start difference. First operand 23 states. Second operand 3 states. [2018-06-26 18:09:57,937 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:09:57,937 INFO ]: Finished difference Result 36 states and 68 transitions. [2018-06-26 18:09:57,939 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:09:57,940 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:09:57,941 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:09:57,956 INFO ]: With dead ends: 36 [2018-06-26 18:09:57,956 INFO ]: Without dead ends: 36 [2018-06-26 18:09:57,958 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 18:09:57,980 INFO ]: Start minimizeSevpa. Operand 36 states. [2018-06-26 18:09:58,025 INFO ]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-06-26 18:09:58,028 INFO ]: Start removeUnreachable. Operand 36 states. [2018-06-26 18:09:58,030 INFO ]: Finished removeUnreachable. Reduced from 36 states to 36 states and 68 transitions. [2018-06-26 18:09:58,032 INFO ]: Start accepts. Automaton has 36 states and 68 transitions. Word has length 5 [2018-06-26 18:09:58,033 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:09:58,033 INFO ]: Abstraction has 36 states and 68 transitions. [2018-06-26 18:09:58,033 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:09:58,033 INFO ]: Start isEmpty. Operand 36 states and 68 transitions. [2018-06-26 18:09:58,035 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 18:09:58,035 INFO ]: Found error trace [2018-06-26 18:09:58,036 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 18:09:58,036 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:09:58,036 INFO ]: Analyzing trace with hash 41341697, now seen corresponding path program 1 times [2018-06-26 18:09:58,036 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:09:58,036 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:09:58,037 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,037 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:58,037 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,046 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:58,109 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 18:09:58,109 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:09:58,109 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:09:58,111 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:09:58,111 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:09:58,111 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:09:58,111 INFO ]: Start difference. First operand 36 states and 68 transitions. Second operand 3 states. [2018-06-26 18:09:58,170 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:09:58,170 INFO ]: Finished difference Result 58 states and 112 transitions. [2018-06-26 18:09:58,170 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:09:58,171 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 18:09:58,171 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:09:58,173 INFO ]: With dead ends: 58 [2018-06-26 18:09:58,173 INFO ]: Without dead ends: 58 [2018-06-26 18:09:58,174 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 18:09:58,174 INFO ]: Start minimizeSevpa. Operand 58 states. [2018-06-26 18:09:58,186 INFO ]: Finished minimizeSevpa. Reduced states from 58 to 38. [2018-06-26 18:09:58,186 INFO ]: Start removeUnreachable. Operand 38 states. [2018-06-26 18:09:58,188 INFO ]: Finished removeUnreachable. Reduced from 38 states to 38 states and 74 transitions. [2018-06-26 18:09:58,188 INFO ]: Start accepts. Automaton has 38 states and 74 transitions. Word has length 5 [2018-06-26 18:09:58,188 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:09:58,188 INFO ]: Abstraction has 38 states and 74 transitions. [2018-06-26 18:09:58,188 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:09:58,188 INFO ]: Start isEmpty. Operand 38 states and 74 transitions. [2018-06-26 18:09:58,192 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-26 18:09:58,192 INFO ]: Found error trace [2018-06-26 18:09:58,192 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:09:58,192 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:09:58,192 INFO ]: Analyzing trace with hash -1025422604, now seen corresponding path program 1 times [2018-06-26 18:09:58,192 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:09:58,192 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:09:58,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,193 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:58,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,207 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:58,257 INFO ]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:09:58,257 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:09:58,257 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 18:09:58,257 INFO ]: Interpolant automaton has 3 states [2018-06-26 18:09:58,257 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 18:09:58,257 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 18:09:58,258 INFO ]: Start difference. First operand 38 states and 74 transitions. Second operand 3 states. [2018-06-26 18:09:58,469 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:09:58,469 INFO ]: Finished difference Result 52 states and 101 transitions. [2018-06-26 18:09:58,470 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 18:09:58,470 INFO ]: Start accepts. Automaton has 3 states. Word has length 11 [2018-06-26 18:09:58,470 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:09:58,472 INFO ]: With dead ends: 52 [2018-06-26 18:09:58,472 INFO ]: Without dead ends: 52 [2018-06-26 18:09:58,472 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 18:09:58,472 INFO ]: Start minimizeSevpa. Operand 52 states. [2018-06-26 18:09:58,480 INFO ]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-06-26 18:09:58,480 INFO ]: Start removeUnreachable. Operand 52 states. [2018-06-26 18:09:58,482 INFO ]: Finished removeUnreachable. Reduced from 52 states to 52 states and 101 transitions. [2018-06-26 18:09:58,482 INFO ]: Start accepts. Automaton has 52 states and 101 transitions. Word has length 11 [2018-06-26 18:09:58,482 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:09:58,482 INFO ]: Abstraction has 52 states and 101 transitions. [2018-06-26 18:09:58,482 INFO ]: Interpolant automaton has 3 states. [2018-06-26 18:09:58,482 INFO ]: Start isEmpty. Operand 52 states and 101 transitions. [2018-06-26 18:09:58,485 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-26 18:09:58,485 INFO ]: Found error trace [2018-06-26 18:09:58,485 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:09:58,485 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:09:58,485 INFO ]: Analyzing trace with hash -1646561587, now seen corresponding path program 1 times [2018-06-26 18:09:58,485 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:09:58,485 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:09:58,486 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,486 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:58,486 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:58,506 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:58,563 INFO ]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:09:58,563 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 18:09:58,563 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-26 18:09:58,563 INFO ]: Interpolant automaton has 5 states [2018-06-26 18:09:58,563 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-26 18:09:58,563 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-26 18:09:58,564 INFO ]: Start difference. First operand 52 states and 101 transitions. Second operand 5 states. [2018-06-26 18:09:59,342 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:09:59,342 INFO ]: Finished difference Result 83 states and 200 transitions. [2018-06-26 18:09:59,342 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-26 18:09:59,342 INFO ]: Start accepts. Automaton has 5 states. Word has length 11 [2018-06-26 18:09:59,342 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:09:59,348 INFO ]: With dead ends: 83 [2018-06-26 18:09:59,348 INFO ]: Without dead ends: 76 [2018-06-26 18:09:59,348 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-06-26 18:09:59,348 INFO ]: Start minimizeSevpa. Operand 76 states. [2018-06-26 18:09:59,367 INFO ]: Finished minimizeSevpa. Reduced states from 76 to 65. [2018-06-26 18:09:59,367 INFO ]: Start removeUnreachable. Operand 65 states. [2018-06-26 18:09:59,370 INFO ]: Finished removeUnreachable. Reduced from 65 states to 65 states and 142 transitions. [2018-06-26 18:09:59,370 INFO ]: Start accepts. Automaton has 65 states and 142 transitions. Word has length 11 [2018-06-26 18:09:59,370 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:09:59,370 INFO ]: Abstraction has 65 states and 142 transitions. [2018-06-26 18:09:59,370 INFO ]: Interpolant automaton has 5 states. [2018-06-26 18:09:59,370 INFO ]: Start isEmpty. Operand 65 states and 142 transitions. [2018-06-26 18:09:59,373 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-26 18:09:59,373 INFO ]: Found error trace [2018-06-26 18:09:59,373 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:09:59,373 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:09:59,373 INFO ]: Analyzing trace with hash -217344530, now seen corresponding path program 1 times [2018-06-26 18:09:59,373 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:09:59,373 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:09:59,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:59,374 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:59,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:09:59,401 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:59,471 INFO ]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:09:59,471 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 18:09:59,471 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 [2018-06-26 18:09:59,480 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:09:59,529 INFO ]: Conjunction of SSA is unsat [2018-06-26 18:09:59,536 INFO ]: Computing forward predicates... [2018-06-26 18:09:59,632 INFO ]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 18:09:59,651 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-26 18:09:59,651 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-26 18:09:59,652 INFO ]: Interpolant automaton has 9 states [2018-06-26 18:09:59,652 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-26 18:09:59,652 INFO ]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-06-26 18:09:59,653 INFO ]: Start difference. First operand 65 states and 142 transitions. Second operand 9 states. [2018-06-26 18:10:01,301 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 18:10:01,301 INFO ]: Finished difference Result 118 states and 377 transitions. [2018-06-26 18:10:01,301 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-26 18:10:01,301 INFO ]: Start accepts. Automaton has 9 states. Word has length 11 [2018-06-26 18:10:01,301 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 18:10:01,310 INFO ]: With dead ends: 118 [2018-06-26 18:10:01,310 INFO ]: Without dead ends: 118 [2018-06-26 18:10:01,310 INFO ]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2018-06-26 18:10:01,310 INFO ]: Start minimizeSevpa. Operand 118 states. [2018-06-26 18:10:01,344 INFO ]: Finished minimizeSevpa. Reduced states from 118 to 78. [2018-06-26 18:10:01,344 INFO ]: Start removeUnreachable. Operand 78 states. [2018-06-26 18:10:01,347 INFO ]: Finished removeUnreachable. Reduced from 78 states to 78 states and 199 transitions. [2018-06-26 18:10:01,347 INFO ]: Start accepts. Automaton has 78 states and 199 transitions. Word has length 11 [2018-06-26 18:10:01,347 INFO ]: Finished accepts. word is rejected. [2018-06-26 18:10:01,347 INFO ]: Abstraction has 78 states and 199 transitions. [2018-06-26 18:10:01,347 INFO ]: Interpolant automaton has 9 states. [2018-06-26 18:10:01,347 INFO ]: Start isEmpty. Operand 78 states and 199 transitions. [2018-06-26 18:10:01,349 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-26 18:10:01,349 INFO ]: Found error trace [2018-06-26 18:10:01,349 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 18:10:01,349 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 18:10:01,349 INFO ]: Analyzing trace with hash 280994524, now seen corresponding path program 1 times [2018-06-26 18:10:01,349 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 18:10:01,349 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 18:10:01,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:10:01,350 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 18:10:01,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 18:10:01,367 INFO ]: Conjunction of SSA is sat [2018-06-26 18:10:01,370 INFO ]: Counterexample might be feasible [2018-06-26 18:10:01,381 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 18:10:01,383 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:10:01 BasicIcfg [2018-06-26 18:10:01,383 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:10:01,383 INFO ]: Toolchain (without parser) took 4757.42 ms. Allocated memory was 308.3 MB in the beginning and 344.5 MB in the end (delta: 36.2 MB). Free memory was 260.6 MB in the beginning and 242.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,385 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:10:01,385 INFO ]: ChcToBoogie took 75.10 ms. Allocated memory is still 308.3 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,386 INFO ]: Boogie Preprocessor took 42.32 ms. Allocated memory is still 308.3 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,386 INFO ]: RCFGBuilder took 425.11 ms. Allocated memory is still 308.3 MB. Free memory was 255.6 MB in the beginning and 237.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,387 INFO ]: BlockEncodingV2 took 166.66 ms. Allocated memory is still 308.3 MB. Free memory was 237.5 MB in the beginning and 229.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,387 INFO ]: TraceAbstraction took 4038.28 ms. Allocated memory was 308.3 MB in the beginning and 344.5 MB in the end (delta: 36.2 MB). Free memory was 229.5 MB in the beginning and 242.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:10:01,391 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 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 75.10 ms. Allocated memory is still 308.3 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.32 ms. Allocated memory is still 308.3 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 425.11 ms. Allocated memory is still 308.3 MB. Free memory was 255.6 MB in the beginning and 237.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 166.66 ms. Allocated memory is still 308.3 MB. Free memory was 237.5 MB in the beginning and 229.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4038.28 ms. Allocated memory was 308.3 MB in the beginning and 344.5 MB in the end (delta: 36.2 MB). Free memory was 229.5 MB in the beginning and 242.7 MB in the end (delta: -13.2 MB). Peak memory consumption was 23.0 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); [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_1_Int - hbv_False_2_Int + -1 >= 0)) && hbv_False_3_Int == hbv_False_4_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 := hbv_False_7_Int, hbv_False_9_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_10_Int, hbv_False_2_Int; [L0] havoc hbv_False_10_Int, hbv_False_7_Int, hbv_False_1_Int, hbv_False_6_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_9_Int; [L0] assume ((((hbv_INV1_7_Int == hbv_INV1_8_Int && !(hhv_INV1_2_Int - hhv_INV1_0_Int + -1 >= 0)) && !(hhv_INV1_5_Int - hhv_INV1_3_Int + -1 >= 0)) && hbv_INV1_5_Int - hbv_INV1_6_Int + -1 >= 0) && hbv_INV1_1_Int == hbv_INV1_2_Int) && hbv_INV1_3_Int - hbv_INV1_4_Int + -1 >= 0; [L0] CALL call gotoProc(2, hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_Int); [L0] COND TRUE gotoSwitch == 2 [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 := gpav_0_Int, gpav_1_Int, gpav_2_Int, gpav_3_Int, gpav_4_Int, gpav_5_Int; [L0] assume ((((((hbv_INV2_1_Int + 1 == hhv_INV2_2_Int && hbv_INV2_5_Int == hbv_INV2_6_Int) && hbv_INV2_7_Int == hbv_INV2_8_Int) && hhv_INV2_3_Int - hbv_INV2_4_Int + -1 >= 0) && hbv_INV2_2_Int + -2 == hhv_INV2_4_Int) && hhv_INV2_0_Int - hbv_INV2_1_Int + -1 >= 0) && hbv_INV2_4_Int + 1 == hhv_INV2_5_Int) && hbv_INV2_3_Int + -2 + 1 == hhv_INV2_1_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_INV2_0_Int, hbv_INV2_3_Int, hbv_INV2_1_Int, hhv_INV2_3_Int, hbv_INV2_2_Int, hbv_INV2_4_Int; [L0] havoc hbv_INV2_4_Int, hbv_INV2_5_Int, hbv_INV2_1_Int, hbv_INV2_2_Int, hbv_INV2_7_Int, hbv_INV2_8_Int, hbv_INV2_3_Int, hbv_INV2_6_Int; [L0] RET call gotoProc(2, hhv_INV1_0_Int, hhv_INV1_1_Int, hhv_INV1_2_Int, hhv_INV1_3_Int, hhv_INV1_4_Int, hhv_INV1_5_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 := hbv_INV1_3_Int, hbv_INV1_9_Int, hbv_INV1_4_Int, hbv_INV1_5_Int, hbv_INV1_10_Int, hbv_INV1_6_Int; [L0] havoc hbv_INV1_7_Int, hbv_INV1_2_Int, hbv_INV1_9_Int, hbv_INV1_8_Int, hbv_INV1_1_Int, hbv_INV1_3_Int, hbv_INV1_4_Int, hbv_INV1_5_Int, hbv_INV1_6_Int, hbv_INV1_10_Int; [L0] RET call gotoProc(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, 3.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 253 SDtfs, 150 SDslu, 292 SDs, 0 SdLazy, 721 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=5, 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, 5 MinimizatonAttempts, 71 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1330 SizeOfPredicates, 8 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 18/20 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/022c-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-10-01-408.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022c-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-10-01-408.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022c-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-10-01-408.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/022c-horn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-10-01-408.csv Received shutdown request...