java -Xss1g -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/point-location-nr.53.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 00:53:37,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 00:53:37,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 00:53:37,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 00:53:37,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 00:53:37,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 00:53:37,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 00:53:37,224 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 00:53:37,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 00:53:37,226 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 00:53:37,227 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 00:53:37,227 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 00:53:37,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 00:53:37,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 00:53:37,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 00:53:37,231 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 00:53:37,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 00:53:37,235 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 00:53:37,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 00:53:37,238 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 00:53:37,239 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 00:53:37,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 00:53:37,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 00:53:37,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 00:53:37,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 00:53:37,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 00:53:37,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 00:53:37,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 00:53:37,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 00:53:37,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 00:53:37,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 00:53:37,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 00:53:37,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 00:53:37,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 00:53:37,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 00:53:37,251 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 00:53:37,264 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 00:53:37,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 00:53:37,265 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 00:53:37,265 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 00:53:37,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 00:53:37,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 00:53:37,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 00:53:37,267 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 00:53:37,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 00:53:37,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 00:53:37,268 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 00:53:37,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 00:53:37,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 00:53:37,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 00:53:37,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 00:53:37,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 00:53:37,269 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 00:53:37,271 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 00:53:37,271 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 00:53:37,313 INFO ]: Repository-Root is: /tmp [2018-06-22 00:53:37,330 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 00:53:37,335 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 00:53:37,336 INFO ]: Initializing SmtParser... [2018-06-22 00:53:37,336 INFO ]: SmtParser initialized [2018-06-22 00:53:37,336 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 [2018-06-22 00:53:37,337 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 [2018-06-22 00:53:37,437 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 unknown [2018-06-22 00:53:37,763 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 [2018-06-22 00:53:37,769 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 00:53:37,776 INFO ]: Walking toolchain with 4 elements. [2018-06-22 00:53:37,776 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 00:53:37,776 INFO ]: Initializing ChcToBoogie... [2018-06-22 00:53:37,777 INFO ]: ChcToBoogie initialized [2018-06-22 00:53:37,780 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,890 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37 Unit [2018-06-22 00:53:37,890 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 00:53:37,891 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 00:53:37,891 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 00:53:37,891 INFO ]: Boogie Preprocessor initialized [2018-06-22 00:53:37,913 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,913 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,936 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,936 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,957 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,964 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,968 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (1/1) ... [2018-06-22 00:53:37,972 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 00:53:37,978 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 00:53:37,978 INFO ]: Initializing RCFGBuilder... [2018-06-22 00:53:37,978 INFO ]: RCFGBuilder initialized [2018-06-22 00:53:37,979 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (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) [2018-06-22 00:53:38,001 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 00:53:38,001 INFO ]: Found specification of procedure gotoProc [2018-06-22 00:53:38,001 INFO ]: Found implementation of procedure gotoProc [2018-06-22 00:53:38,001 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 00:53:38,001 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 00:53:38,001 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 [2018-06-22 00:53:39,373 INFO ]: Using library mode [2018-06-22 00:53:39,374 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:53:39 BoogieIcfgContainer [2018-06-22 00:53:39,374 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 00:53:39,382 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 00:53:39,382 INFO ]: Initializing TraceAbstraction... [2018-06-22 00:53:39,385 INFO ]: TraceAbstraction initialized [2018-06-22 00:53:39,385 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:53:37" (1/3) ... [2018-06-22 00:53:39,390 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdd6078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:53:39, skipping insertion in model container [2018-06-22 00:53:39,390 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:53:37" (2/3) ... [2018-06-22 00:53:39,390 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdd6078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:53:39, skipping insertion in model container [2018-06-22 00:53:39,390 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:53:39" (3/3) ... [2018-06-22 00:53:39,392 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 00:53:39,401 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 00:53:39,409 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 00:53:39,458 INFO ]: Using default assertion order modulation [2018-06-22 00:53:39,459 INFO ]: Interprodecural is true [2018-06-22 00:53:39,459 INFO ]: Hoare is false [2018-06-22 00:53:39,459 INFO ]: Compute interpolants for FPandBP [2018-06-22 00:53:39,459 INFO ]: Backedges is TWOTRACK [2018-06-22 00:53:39,459 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 00:53:39,459 INFO ]: Difference is false [2018-06-22 00:53:39,459 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 00:53:39,459 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 00:53:39,486 INFO ]: Start isEmpty. Operand 146 states. [2018-06-22 00:53:39,510 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 00:53:39,510 INFO ]: Found error trace [2018-06-22 00:53:39,511 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:53:39,511 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:53:39,518 INFO ]: Analyzing trace with hash 1634775689, now seen corresponding path program 1 times [2018-06-22 00:53:39,520 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:53:39,521 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:53:39,568 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:39,568 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:53:39,568 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:39,614 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:53:39,704 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 00:53:39,706 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:53:39,706 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 00:53:39,708 INFO ]: Interpolant automaton has 4 states [2018-06-22 00:53:39,719 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 00:53:39,719 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 00:53:39,721 INFO ]: Start difference. First operand 146 states. Second operand 4 states. [2018-06-22 00:53:42,976 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:53:42,976 INFO ]: Finished difference Result 285 states and 559 transitions. [2018-06-22 00:53:42,977 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 00:53:42,978 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-22 00:53:42,979 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:53:43,040 INFO ]: With dead ends: 285 [2018-06-22 00:53:43,040 INFO ]: Without dead ends: 275 [2018-06-22 00:53:43,053 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 [2018-06-22 00:53:43,075 INFO ]: Start minimizeSevpa. Operand 275 states. [2018-06-22 00:53:43,238 INFO ]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-06-22 00:53:43,240 INFO ]: Start removeUnreachable. Operand 275 states. [2018-06-22 00:53:43,272 INFO ]: Finished removeUnreachable. Reduced from 275 states to 275 states and 541 transitions. [2018-06-22 00:53:43,273 INFO ]: Start accepts. Automaton has 275 states and 541 transitions. Word has length 7 [2018-06-22 00:53:43,274 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:53:43,274 INFO ]: Abstraction has 275 states and 541 transitions. [2018-06-22 00:53:43,274 INFO ]: Interpolant automaton has 4 states. [2018-06-22 00:53:43,274 INFO ]: Start isEmpty. Operand 275 states and 541 transitions. [2018-06-22 00:53:43,285 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 00:53:43,285 INFO ]: Found error trace [2018-06-22 00:53:43,285 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:53:43,286 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:53:43,286 INFO ]: Analyzing trace with hash 1246499088, now seen corresponding path program 1 times [2018-06-22 00:53:43,286 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:53:43,286 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:53:43,287 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:43,287 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:53:43,287 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:43,302 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:53:43,469 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 00:53:43,469 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:53:43,469 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 00:53:43,471 INFO ]: Interpolant automaton has 4 states [2018-06-22 00:53:43,471 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 00:53:43,471 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 00:53:43,471 INFO ]: Start difference. First operand 275 states and 541 transitions. Second operand 4 states. [2018-06-22 00:53:46,180 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:53:46,180 INFO ]: Finished difference Result 411 states and 810 transitions. [2018-06-22 00:53:46,180 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 00:53:46,180 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 00:53:46,180 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:53:46,214 INFO ]: With dead ends: 411 [2018-06-22 00:53:46,214 INFO ]: Without dead ends: 411 [2018-06-22 00:53:46,215 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 00:53:46,215 INFO ]: Start minimizeSevpa. Operand 411 states. [2018-06-22 00:53:46,334 INFO ]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-06-22 00:53:46,334 INFO ]: Start removeUnreachable. Operand 411 states. [2018-06-22 00:53:46,352 INFO ]: Finished removeUnreachable. Reduced from 411 states to 411 states and 810 transitions. [2018-06-22 00:53:46,352 INFO ]: Start accepts. Automaton has 411 states and 810 transitions. Word has length 9 [2018-06-22 00:53:46,352 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:53:46,352 INFO ]: Abstraction has 411 states and 810 transitions. [2018-06-22 00:53:46,352 INFO ]: Interpolant automaton has 4 states. [2018-06-22 00:53:46,352 INFO ]: Start isEmpty. Operand 411 states and 810 transitions. [2018-06-22 00:53:46,377 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-22 00:53:46,377 INFO ]: Found error trace [2018-06-22 00:53:46,377 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:53:46,377 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:53:46,377 INFO ]: Analyzing trace with hash 623806588, now seen corresponding path program 1 times [2018-06-22 00:53:46,377 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:53:46,377 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:53:46,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:46,378 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:53:46,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:53:46,415 INFO ]: Conjunction of SSA is sat [2018-06-22 00:53:46,421 INFO ]: Counterexample might be feasible [2018-06-22 00:53:46,439 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:53:46 BoogieIcfgContainer [2018-06-22 00:53:46,439 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 00:53:46,440 INFO ]: Toolchain (without parser) took 8670.21 ms. Allocated memory was 308.8 MB in the beginning and 393.7 MB in the end (delta: 84.9 MB). Free memory was 255.2 MB in the beginning and 250.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 3.6 GB. [2018-06-22 00:53:46,441 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 00:53:46,442 INFO ]: ChcToBoogie took 114.36 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 251.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 00:53:46,442 INFO ]: Boogie Preprocessor took 80.55 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 249.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 00:53:46,443 INFO ]: RCFGBuilder took 1395.80 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 249.3 MB in the beginning and 291.5 MB in the end (delta: -42.2 MB). Peak memory consumption was 68.5 MB. Max. memory is 3.6 GB. [2018-06-22 00:53:46,444 INFO ]: TraceAbstraction took 7056.28 ms. Allocated memory was 325.6 MB in the beginning and 393.7 MB in the end (delta: 68.2 MB). Free memory was 290.7 MB in the beginning and 250.3 MB in the end (delta: 40.4 MB). Peak memory consumption was 108.5 MB. Max. memory is 3.6 GB. [2018-06-22 00:53:46,447 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 114.36 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 251.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 80.55 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 249.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1395.80 ms. Allocated memory was 308.8 MB in the beginning and 325.6 MB in the end (delta: 16.8 MB). Free memory was 249.3 MB in the beginning and 291.5 MB in the end (delta: -42.2 MB). Peak memory consumption was 68.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 7056.28 ms. Allocated memory was 325.6 MB in the beginning and 393.7 MB in the end (delta: 68.2 MB). Free memory was 290.7 MB in the beginning and 250.3 MB in the end (delta: 40.4 MB). Peak memory consumption was 108.5 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 == 6) [L0] COND FALSE !(gotoSwitch == 4) [L0] COND FALSE !(gotoSwitch == 3) [L0] assume true; [L0] CALL call gotoProc(6, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int); [L0] gotoSwitch := gotoSwitch_in; [L0] COND TRUE gotoSwitch == 6 [L0] hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_5_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_8_Int, hhv_step_lturn_9_Int, hhv_step_lturn_10_Int, hhv_step_lturn_11_Int, hhv_step_lturn_12_Int := gpav_0_Int, gpav_1_Int, gpav_2_Int, gpav_3_Int, gpav_4_Int, gpav_5_Int, gpav_6_Int, gpav_7_Int, gpav_8_Int, gpav_9_Int, gpav_10_Int, gpav_11_Int, gpav_12_Int; [L0] assume (((((((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 + 0 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -1 * hhv_step_lturn_0_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_8_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -1 * hhv_step_lturn_10_Int + -2 >= 0; [L0] RET call gotoProc(6, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int); [L0] 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_9_Int, hbv_False_8_Int, hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_13_Int, hbv_False_6_Int, hbv_False_4_Int, hbv_False_11_Int, hbv_False_12_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_0_Int + 1 * hhv_lturn_1_Int + -1 >= 0 && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_1_Int + -1 >= 0) && 0 + -1 * hhv_lturn_1_Int + 1 * hhv_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_11_Int + -2 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_lturn_0_Int + -1 * hhv_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_11_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_lturn_7_Int + -1 * hhv_lturn_11_Int + 0 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_0_Int + 0 >= 0) && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_0_Int + -2 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_11_Int + -1 >= 0) && 0 + -1 * hhv_lturn_6_Int + 1 * hhv_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_lturn_6_Int + -1 * hhv_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_lturn_11_Int + 1 * hhv_lturn_10_Int + -1 >= 0) && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_lturn_2_Int + -1 * hhv_lturn_11_Int + -1 >= 0) && 0 + 1 * hhv_lturn_7_Int + -1 * hhv_lturn_0_Int + 0 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_8_Int + -2 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_2_Int + -1 >= 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, 146 locations, 1 error locations. UNSAFE Result, 6.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 506 SDtfs, 377 SDslu, 148 SDs, 0 SdLazy, 1052 SolverSat, 741 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=411occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.53.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_00-53-46-459.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.53.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_00-53-46-459.csv Received shutdown request...