java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.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/giftwrapping.25.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:26:45,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:26:45,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:26:45,256 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:26:45,256 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:26:45,257 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:26:45,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:26:45,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:26:45,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:26:45,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:26:45,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:26:45,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:26:45,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:26:45,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:26:45,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:26:45,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:26:45,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:26:45,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:26:45,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:26:45,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:26:45,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:26:45,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:26:45,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:26:45,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:26:45,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:26:45,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:26:45,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:26:45,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:26:45,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:26:45,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:26:45,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:26:45,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:26:45,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:26:45,319 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:26:45,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:26:45,320 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:26:45,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:26:45,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:26:45,344 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:26:45,344 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:26:45,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:26:45,345 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:26:45,346 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:26:45,347 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:26:45,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:26:45,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:26:45,348 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:26:45,348 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:26:45,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:26:45,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:26:45,349 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:26:45,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:26:45,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:26:45,349 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:26:45,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:26:45,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:26:45,350 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:26:45,351 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:26:45,352 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:26:45,413 INFO ]: Repository-Root is: /tmp [2018-06-25 08:26:45,434 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:26:45,442 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:26:45,443 INFO ]: Initializing SmtParser... [2018-06-25 08:26:45,443 INFO ]: SmtParser initialized [2018-06-25 08:26:45,444 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/giftwrapping.25.smt2 [2018-06-25 08:26:45,445 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 08:26:45,551 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/giftwrapping.25.smt2 unknown [2018-06-25 08:26:46,067 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/giftwrapping.25.smt2 [2018-06-25 08:26:46,076 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:26:46,084 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:26:46,085 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:26:46,085 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:26:46,085 INFO ]: ChcToBoogie initialized [2018-06-25 08:26:46,088 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,209 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46 Unit [2018-06-25 08:26:46,209 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:26:46,209 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:26:46,209 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:26:46,209 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:26:46,231 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,231 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,248 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,248 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,265 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,269 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,273 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (1/1) ... [2018-06-25 08:26:46,278 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:26:46,279 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:26:46,279 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:26:46,279 INFO ]: RCFGBuilder initialized [2018-06-25 08:26:46,280 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (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 [2018-06-25 08:26:46,306 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:26:46,306 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:26:46,306 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:26:46,306 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:26:46,306 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:26:46,306 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 08:26:47,793 INFO ]: Using library mode [2018-06-25 08:26:47,794 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:26:47 BoogieIcfgContainer [2018-06-25 08:26:47,794 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:26:47,796 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:26:47,796 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:26:47,800 INFO ]: TraceAbstraction initialized [2018-06-25 08:26:47,800 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:26:46" (1/3) ... [2018-06-25 08:26:47,801 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62604282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:26:47, skipping insertion in model container [2018-06-25 08:26:47,801 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:26:46" (2/3) ... [2018-06-25 08:26:47,801 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62604282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:26:47, skipping insertion in model container [2018-06-25 08:26:47,802 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:26:47" (3/3) ... [2018-06-25 08:26:47,805 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:26:47,815 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:26:47,823 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:26:47,858 INFO ]: Using default assertion order modulation [2018-06-25 08:26:47,859 INFO ]: Interprodecural is true [2018-06-25 08:26:47,859 INFO ]: Hoare is false [2018-06-25 08:26:47,859 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:26:47,859 INFO ]: Backedges is TWOTRACK [2018-06-25 08:26:47,859 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:26:47,859 INFO ]: Difference is false [2018-06-25 08:26:47,859 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:26:47,859 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:26:47,878 INFO ]: Start isEmpty. Operand 145 states. [2018-06-25 08:26:47,893 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 08:26:47,893 INFO ]: Found error trace [2018-06-25 08:26:47,894 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:26:47,894 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:26:47,899 INFO ]: Analyzing trace with hash -369403966, now seen corresponding path program 1 times [2018-06-25 08:26:47,901 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:26:47,902 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:26:47,951 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:47,952 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:26:47,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:48,005 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:26:48,168 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:26:48,170 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:26:48,171 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:26:48,172 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:26:48,186 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:26:48,186 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:26:48,189 INFO ]: Start difference. First operand 145 states. Second operand 4 states. [2018-06-25 08:26:51,036 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:26:51,036 INFO ]: Finished difference Result 283 states and 549 transitions. [2018-06-25 08:26:51,037 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:26:51,038 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-25 08:26:51,038 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:26:51,083 INFO ]: With dead ends: 283 [2018-06-25 08:26:51,084 INFO ]: Without dead ends: 277 [2018-06-25 08:26:51,086 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:26:51,108 INFO ]: Start minimizeSevpa. Operand 277 states. [2018-06-25 08:26:51,238 INFO ]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-06-25 08:26:51,239 INFO ]: Start removeUnreachable. Operand 277 states. [2018-06-25 08:26:51,292 INFO ]: Finished removeUnreachable. Reduced from 277 states to 277 states and 537 transitions. [2018-06-25 08:26:51,293 INFO ]: Start accepts. Automaton has 277 states and 537 transitions. Word has length 8 [2018-06-25 08:26:51,294 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:26:51,294 INFO ]: Abstraction has 277 states and 537 transitions. [2018-06-25 08:26:51,294 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:26:51,294 INFO ]: Start isEmpty. Operand 277 states and 537 transitions. [2018-06-25 08:26:51,303 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 08:26:51,303 INFO ]: Found error trace [2018-06-25 08:26:51,303 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:26:51,303 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:26:51,304 INFO ]: Analyzing trace with hash -505399881, now seen corresponding path program 1 times [2018-06-25 08:26:51,304 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:26:51,304 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:26:51,305 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:51,305 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:26:51,305 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:51,323 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:26:51,545 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:26:51,545 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:26:51,545 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:26:51,547 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:26:51,547 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:26:51,547 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:26:51,548 INFO ]: Start difference. First operand 277 states and 537 transitions. Second operand 4 states. [2018-06-25 08:26:53,178 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:26:53,178 INFO ]: Finished difference Result 414 states and 804 transitions. [2018-06-25 08:26:53,179 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:26:53,179 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-25 08:26:53,179 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:26:53,203 INFO ]: With dead ends: 414 [2018-06-25 08:26:53,203 INFO ]: Without dead ends: 414 [2018-06-25 08:26:53,204 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:26:53,205 INFO ]: Start minimizeSevpa. Operand 414 states. [2018-06-25 08:26:53,303 INFO ]: Finished minimizeSevpa. Reduced states from 414 to 414. [2018-06-25 08:26:53,303 INFO ]: Start removeUnreachable. Operand 414 states. [2018-06-25 08:26:53,320 INFO ]: Finished removeUnreachable. Reduced from 414 states to 414 states and 804 transitions. [2018-06-25 08:26:53,321 INFO ]: Start accepts. Automaton has 414 states and 804 transitions. Word has length 8 [2018-06-25 08:26:53,321 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:26:53,321 INFO ]: Abstraction has 414 states and 804 transitions. [2018-06-25 08:26:53,321 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:26:53,321 INFO ]: Start isEmpty. Operand 414 states and 804 transitions. [2018-06-25 08:26:53,355 INFO ]: Finished isEmpty. Found accepting run of length 21 [2018-06-25 08:26:53,355 INFO ]: Found error trace [2018-06-25 08:26:53,355 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:26:53,355 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:26:53,355 INFO ]: Analyzing trace with hash -449993098, now seen corresponding path program 1 times [2018-06-25 08:26:53,355 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:26:53,355 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:26:53,358 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:53,358 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:26:53,358 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:26:53,418 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:26:53,586 INFO ]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-25 08:26:53,586 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:26:53,586 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-25 08:26:53,586 INFO ]: Interpolant automaton has 7 states [2018-06-25 08:26:53,586 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-25 08:26:53,586 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-25 08:26:53,587 INFO ]: Start difference. First operand 414 states and 804 transitions. Second operand 7 states. [2018-06-25 08:27:08,830 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:27:08,830 INFO ]: Finished difference Result 2483 states and 22446 transitions. [2018-06-25 08:27:08,866 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-06-25 08:27:08,866 INFO ]: Start accepts. Automaton has 7 states. Word has length 20 [2018-06-25 08:27:08,866 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:27:10,161 INFO ]: With dead ends: 2483 [2018-06-25 08:27:10,161 INFO ]: Without dead ends: 2483 [2018-06-25 08:27:10,161 INFO ]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2018-06-25 08:27:10,163 INFO ]: Start minimizeSevpa. Operand 2483 states. [2018-06-25 08:27:12,176 INFO ]: Finished minimizeSevpa. Reduced states from 2483 to 1179. [2018-06-25 08:27:12,176 INFO ]: Start removeUnreachable. Operand 1179 states. [2018-06-25 08:27:12,260 INFO ]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 3135 transitions. [2018-06-25 08:27:12,260 INFO ]: Start accepts. Automaton has 1179 states and 3135 transitions. Word has length 20 [2018-06-25 08:27:12,261 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:27:12,262 INFO ]: Abstraction has 1179 states and 3135 transitions. [2018-06-25 08:27:12,262 INFO ]: Interpolant automaton has 7 states. [2018-06-25 08:27:12,262 INFO ]: Start isEmpty. Operand 1179 states and 3135 transitions. [2018-06-25 08:27:12,317 INFO ]: Finished isEmpty. Found accepting run of length 21 [2018-06-25 08:27:12,317 INFO ]: Found error trace [2018-06-25 08:27:12,318 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:27:12,318 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:27:12,318 INFO ]: Analyzing trace with hash -448980204, now seen corresponding path program 1 times [2018-06-25 08:27:12,318 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:27:12,318 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:27:12,319 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:12,319 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:27:12,319 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:27:12,393 INFO ]: Conjunction of SSA is sat [2018-06-25 08:27:12,413 INFO ]: Counterexample might be feasible [2018-06-25 08:27:12,442 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:27:12 BoogieIcfgContainer [2018-06-25 08:27:12,442 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:27:12,443 INFO ]: Toolchain (without parser) took 26365.98 ms. Allocated memory was 307.2 MB in the beginning and 839.4 MB in the end (delta: 532.2 MB). Free memory was 246.4 MB in the beginning and 259.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 518.9 MB. Max. memory is 3.6 GB. [2018-06-25 08:27:12,444 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 08:27:12,444 INFO ]: ChcToBoogie took 124.53 ms. Allocated memory is still 307.2 MB. Free memory was 246.4 MB in the beginning and 242.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:27:12,445 INFO ]: Boogie Preprocessor took 69.13 ms. Allocated memory is still 307.2 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:27:12,445 INFO ]: RCFGBuilder took 1514.53 ms. Allocated memory was 307.2 MB in the beginning and 324.0 MB in the end (delta: 16.8 MB). Free memory was 240.4 MB in the beginning and 274.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 60.4 MB. Max. memory is 3.6 GB. [2018-06-25 08:27:12,446 INFO ]: TraceAbstraction took 24645.47 ms. Allocated memory was 324.0 MB in the beginning and 839.4 MB in the end (delta: 515.4 MB). Free memory was 271.9 MB in the beginning and 259.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 527.6 MB. Max. memory is 3.6 GB. [2018-06-25 08:27:12,453 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 124.53 ms. Allocated memory is still 307.2 MB. Free memory was 246.4 MB in the beginning and 242.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 69.13 ms. Allocated memory is still 307.2 MB. Free memory was 242.4 MB in the beginning and 240.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1514.53 ms. Allocated memory was 307.2 MB in the beginning and 324.0 MB in the end (delta: 16.8 MB). Free memory was 240.4 MB in the beginning and 274.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 60.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 24645.47 ms. Allocated memory was 324.0 MB in the beginning and 839.4 MB in the end (delta: 515.4 MB). Free memory was 271.9 MB in the beginning and 259.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 527.6 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] gotoSwitch := gotoSwitch_in; [L0] COND FALSE !(gotoSwitch == 5) [L0] COND FALSE !(gotoSwitch == 4) [L0] COND FALSE !(gotoSwitch == 3) [L0] COND FALSE !(gotoSwitch == 1) [L0] assume true; [L0] CALL call gotoProc(4, 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] gotoSwitch := gotoSwitch_in; [L0] COND FALSE !(gotoSwitch == 5) [L0] COND TRUE gotoSwitch == 4 [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] assume (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0 && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_10_Int + -6 >= 0) && 0 + -1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_10_Int + 1 * hhv_step_lturn_9_Int + -5 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + 1 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_3_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_10_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_8_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_9_Int + -6 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_8_Int + -6 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -6 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_8_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_11_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + 1 * hhv_step_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_6_Int + -5 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + -1 * hhv_step_lturn_5_Int + 3 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_1_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_11_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_9_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_8_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + -1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_2_Int + -5 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_11_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_5_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_9_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_1_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_3_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + 1 * hhv_step_lturn_10_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_4_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_5_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_8_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_10_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_3_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_11_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_1_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_7_Int + -6 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_9_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_5_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_11_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_11_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_8_Int + -5 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_5_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_8_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_8_Int + 1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_9_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_2_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_3_Int + 3 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_8_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_4_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_11_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_10_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_9_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_2_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_8_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_5_Int + 2 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + 1 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_11_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_8_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_8_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 >= 0) && 0 + -1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_9_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_8_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + 1 * hhv_step_lturn_9_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_11_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_10_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_11_Int + -5 >= 0; [L0] RET call gotoProc(4, 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] hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int, hhv_combined_lturn_12_Int := hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_12_Int, hbv_False_11_Int, hbv_False_13_Int; [L0] havoc hbv_False_5_Int, hbv_False_1_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_6_Int, hbv_False_13_Int, hbv_False_9_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_7_Int, hbv_False_10_Int; [L0] assume true; [L0] hhv_lturn_0_Int, hhv_lturn_1_Int, hhv_lturn_2_Int, hhv_lturn_3_Int, hhv_lturn_4_Int, hhv_lturn_5_Int, hhv_lturn_6_Int, hhv_lturn_7_Int, hhv_lturn_8_Int, hhv_lturn_9_Int, hhv_lturn_10_Int, hhv_lturn_11_Int, hhv_lturn_12_Int := hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int, hhv_combined_lturn_12_Int; [L0] assume ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 + 1 * hhv_lturn_10_Int + -2 >= 0 && 0 + 1 * hhv_lturn_8_Int + 1 * hhv_lturn_10_Int + -4 >= 0) && 0 + 1 * hhv_lturn_4_Int + -4 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_2_Int + -4 >= 0) && 0 + 1 * hhv_lturn_4_Int + -1 * hhv_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_lturn_1_Int + -2 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_10_Int + -3 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_9_Int + -4 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_7_Int + 1 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_6_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + -1 * hhv_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_lturn_6_Int + 1 * hhv_lturn_8_Int + -5 >= 0) && 0 + 1 * hhv_lturn_7_Int + 1 * hhv_lturn_9_Int + -5 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_10_Int + 0 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_7_Int + -4 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_lturn_6_Int + -1 * hhv_lturn_7_Int + 1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_11_Int + -5 >= 0) && 0 + 1 * hhv_lturn_4_Int + -1 * hhv_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_9_Int + -6 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_7_Int + -5 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_11_Int + 1 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_8_Int + -4 >= 0) && 0 + -1 * hhv_lturn_2_Int + 1 * hhv_lturn_7_Int + -1 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 >= 0) && 0 + 1 * hhv_lturn_11_Int + 1 * hhv_lturn_9_Int + -3 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_2_Int + 0 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_lturn_6_Int + 1 * hhv_lturn_10_Int + -4 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_8_Int + -3 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_10_Int + -4 >= 0) && 0 + 1 * hhv_lturn_4_Int + -1 * hhv_lturn_7_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_10_Int + -3 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_11_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_lturn_7_Int + 1 * hhv_lturn_10_Int + -5 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_10_Int + -6 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_10_Int + -4 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_1_Int + -3 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_lturn_1_Int + 1 * hhv_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_lturn_8_Int + 1 * hhv_lturn_9_Int + -4 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_6_Int + -6 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_5_Int + 1 >= 0) && 0 + 1 * hhv_lturn_9_Int + -2 >= 0) && 0 + 1 * hhv_lturn_6_Int + 1 * hhv_lturn_7_Int + -5 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_9_Int + -3 >= 0) && 0 + -1 * hhv_lturn_2_Int + 1 * hhv_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_7_Int + -5 >= 0) && 0 + 1 * hhv_lturn_7_Int + 1 * hhv_lturn_8_Int + -5 >= 0) && 0 + -1 * hhv_lturn_3_Int + -1 * hhv_lturn_5_Int + 3 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_9_Int + -5 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_7_Int + -7 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_4_Int + -6 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_11_Int + -3 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_lturn_8_Int + 1 * hhv_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_lturn_3_Int + -1 * hhv_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_11_Int + -2 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_5_Int + -3 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_7_Int + -2 >= 0) && 0 + 1 * hhv_lturn_4_Int + -1 * hhv_lturn_5_Int + -3 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_8_Int + 0 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_1_Int + -4 >= 0) && 0 + 1 * hhv_lturn_0_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + -1 * hhv_lturn_3_Int + 1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_5_Int + -5 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_6_Int + -4 >= 0) && 0 + -1 * hhv_lturn_0_Int + -1 * hhv_lturn_5_Int + 2 >= 0) && 0 + 1 * hhv_lturn_11_Int + 1 * hhv_lturn_10_Int + -3 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_8_Int + -1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_1_Int + -6 >= 0) && 0 + 1 * hhv_lturn_2_Int + -2 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_8_Int + -1 >= 0) && 0 + 1 * hhv_lturn_7_Int + 1 * hhv_lturn_11_Int + -4 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_lturn_10_Int + 1 * hhv_lturn_9_Int + -5 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_4_Int + -3 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_6_Int + -4 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_1_Int + -4 >= 0) && 0 + 1 * hhv_lturn_4_Int + -1 * hhv_lturn_8_Int + 0 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_11_Int + -2 >= 0) && 0 + -1 * hhv_lturn_0_Int + -1 * hhv_lturn_3_Int + 3 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_2_Int + -6 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_7_Int + -2 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_6_Int + -4 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_9_Int + -3 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_8_Int + -3 >= 0) && 0 + -1 * hhv_lturn_5_Int + 1 * hhv_lturn_9_Int + -1 >= 0) && 0 + 1 * hhv_lturn_4_Int + 1 * hhv_lturn_8_Int + -6 >= 0) && 0 + 1 * hhv_lturn_11_Int + -1 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_3_Int + -1 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_9_Int + -4 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_lturn_5_Int + 1 * hhv_lturn_7_Int + -4 >= 0) && 0 + 1 * hhv_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_lturn_3_Int + 1 * hhv_lturn_7_Int + -5 >= 0) && 0 + 1 * hhv_lturn_2_Int + -1 * hhv_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_8_Int + -5 >= 0) && 0 + 1 * hhv_lturn_3_Int + -2 >= 0) && 0 + 1 * hhv_lturn_6_Int + 1 * hhv_lturn_9_Int + -5 >= 0) && 0 + -1 * hhv_lturn_3_Int + 1 * hhv_lturn_4_Int + -2 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_3_Int + -3 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_5_Int + -2 >= 0) && 0 + 1 * hhv_lturn_0_Int + 1 * hhv_lturn_4_Int + -5 >= 0) && 0 + 1 * hhv_lturn_2_Int + 1 * hhv_lturn_8_Int + -4 >= 0) && 0 + -1 * hhv_lturn_3_Int + 2 >= 0) && 0 + 1 * hhv_lturn_6_Int + 1 * hhv_lturn_11_Int + -3 >= 0) && 0 + 1 * hhv_lturn_1_Int + 1 * hhv_lturn_10_Int + -4 >= 0) && 0 + 1 * hhv_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_lturn_6_Int + -2 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_9_Int + -1 >= 0) && 0 + -1 * hhv_lturn_2_Int + 1 * hhv_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_lturn_8_Int + -2 >= 0; [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, 145 locations, 1 error locations. UNSAFE Result, 24.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 21.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1945 SDtfs, 738 SDslu, 4144 SDs, 0 SdLazy, 9615 SolverSat, 2336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1179occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 1304 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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/giftwrapping.25.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-27-12-464.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/giftwrapping.25.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-27-12-464.csv Received shutdown request...