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/llreve-bench/smt2/faulty__loop5!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 09:50:24,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 09:50:24,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 09:50:24,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 09:50:24,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 09:50:24,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 09:50:24,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 09:50:24,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 09:50:24,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 09:50:24,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 09:50:24,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 09:50:24,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 09:50:24,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 09:50:24,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 09:50:24,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 09:50:24,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 09:50:24,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 09:50:24,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 09:50:24,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 09:50:24,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 09:50:24,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 09:50:24,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 09:50:24,484 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 09:50:24,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 09:50:24,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 09:50:24,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 09:50:24,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 09:50:24,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 09:50:24,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 09:50:24,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 09:50:24,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 09:50:24,497 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 09:50:24,497 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 09:50:24,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 09:50:24,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 09:50:24,498 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 09:50:24,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 09:50:24,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 09:50:24,523 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 09:50:24,523 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 09:50:24,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 09:50:24,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 09:50:24,525 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 09:50:24,525 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 09:50:24,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 09:50:24,525 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 09:50:24,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 09:50:24,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 09:50:24,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 09:50:24,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 09:50:24,526 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 09:50:24,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 09:50:24,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 09:50:24,527 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 09:50:24,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 09:50:24,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 09:50:24,527 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 09:50:24,529 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 09:50:24,530 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 09:50:24,576 INFO ]: Repository-Root is: /tmp [2018-06-25 09:50:24,591 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 09:50:24,596 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 09:50:24,598 INFO ]: Initializing SmtParser... [2018-06-25 09:50:24,598 INFO ]: SmtParser initialized [2018-06-25 09:50:24,598 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 [2018-06-25 09:50:24,600 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 09:50:24,686 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@577aa01d [2018-06-25 09:50:24,837 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 [2018-06-25 09:50:24,841 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 09:50:24,847 INFO ]: Walking toolchain with 4 elements. [2018-06-25 09:50:24,848 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 09:50:24,848 INFO ]: Initializing ChcToBoogie... [2018-06-25 09:50:24,848 INFO ]: ChcToBoogie initialized [2018-06-25 09:50:24,851 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,907 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24 Unit [2018-06-25 09:50:24,907 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 09:50:24,908 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 09:50:24,908 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 09:50:24,908 INFO ]: Boogie Preprocessor initialized [2018-06-25 09:50:24,929 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,929 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,938 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,938 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,940 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,943 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,943 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (1/1) ... [2018-06-25 09:50:24,945 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 09:50:24,946 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 09:50:24,946 INFO ]: Initializing RCFGBuilder... [2018-06-25 09:50:24,946 INFO ]: RCFGBuilder initialized [2018-06-25 09:50:24,947 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (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) [2018-06-25 09:50:24,965 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 09:50:24,965 INFO ]: Found specification of procedure gotoProc [2018-06-25 09:50:24,965 INFO ]: Found implementation of procedure gotoProc [2018-06-25 09:50:24,965 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 09:50:24,965 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 09:50:24,965 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 [2018-06-25 09:50:25,213 INFO ]: Using library mode [2018-06-25 09:50:25,213 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 09:50:25 BoogieIcfgContainer [2018-06-25 09:50:25,213 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 09:50:25,214 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 09:50:25,214 INFO ]: Initializing TraceAbstraction... [2018-06-25 09:50:25,217 INFO ]: TraceAbstraction initialized [2018-06-25 09:50:25,218 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 09:50:24" (1/3) ... [2018-06-25 09:50:25,219 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee67b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 09:50:25, skipping insertion in model container [2018-06-25 09:50:25,219 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 09:50:24" (2/3) ... [2018-06-25 09:50:25,224 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee67b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 09:50:25, skipping insertion in model container [2018-06-25 09:50:25,224 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 09:50:25" (3/3) ... [2018-06-25 09:50:25,226 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 09:50:25,248 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 09:50:25,257 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 09:50:25,301 INFO ]: Using default assertion order modulation [2018-06-25 09:50:25,302 INFO ]: Interprodecural is true [2018-06-25 09:50:25,302 INFO ]: Hoare is false [2018-06-25 09:50:25,302 INFO ]: Compute interpolants for FPandBP [2018-06-25 09:50:25,302 INFO ]: Backedges is TWOTRACK [2018-06-25 09:50:25,302 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 09:50:25,302 INFO ]: Difference is false [2018-06-25 09:50:25,302 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 09:50:25,302 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 09:50:25,314 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 09:50:25,326 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 09:50:25,326 INFO ]: Found error trace [2018-06-25 09:50:25,327 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 09:50:25,327 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 09:50:25,330 INFO ]: Analyzing trace with hash -204663978, now seen corresponding path program 1 times [2018-06-25 09:50:25,332 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 09:50:25,332 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 09:50:25,369 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,369 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 09:50:25,369 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,403 INFO ]: Conjunction of SSA is unsat [2018-06-25 09:50:25,481 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 09:50:25,483 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 09:50:25,484 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 09:50:25,486 INFO ]: Interpolant automaton has 3 states [2018-06-25 09:50:25,497 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 09:50:25,497 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 09:50:25,499 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 09:50:25,578 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 09:50:25,578 INFO ]: Finished difference Result 9 states and 13 transitions. [2018-06-25 09:50:25,578 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 09:50:25,579 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 09:50:25,579 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 09:50:25,587 INFO ]: With dead ends: 9 [2018-06-25 09:50:25,588 INFO ]: Without dead ends: 9 [2018-06-25 09:50:25,590 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 [2018-06-25 09:50:25,609 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 09:50:25,628 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 09:50:25,629 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 09:50:25,630 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-06-25 09:50:25,632 INFO ]: Start accepts. Automaton has 9 states and 13 transitions. Word has length 7 [2018-06-25 09:50:25,632 INFO ]: Finished accepts. word is rejected. [2018-06-25 09:50:25,632 INFO ]: Abstraction has 9 states and 13 transitions. [2018-06-25 09:50:25,632 INFO ]: Interpolant automaton has 3 states. [2018-06-25 09:50:25,632 INFO ]: Start isEmpty. Operand 9 states and 13 transitions. [2018-06-25 09:50:25,632 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 09:50:25,632 INFO ]: Found error trace [2018-06-25 09:50:25,632 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 09:50:25,632 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 09:50:25,633 INFO ]: Analyzing trace with hash -2057099186, now seen corresponding path program 1 times [2018-06-25 09:50:25,633 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 09:50:25,633 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 09:50:25,634 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,634 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 09:50:25,634 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,654 INFO ]: Conjunction of SSA is unsat [2018-06-25 09:50:25,752 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 09:50:25,752 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 09:50:25,752 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 09:50:25,754 INFO ]: Interpolant automaton has 3 states [2018-06-25 09:50:25,754 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 09:50:25,754 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 09:50:25,754 INFO ]: Start difference. First operand 9 states and 13 transitions. Second operand 3 states. [2018-06-25 09:50:25,879 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 09:50:25,880 INFO ]: Finished difference Result 10 states and 15 transitions. [2018-06-25 09:50:25,880 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 09:50:25,880 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-25 09:50:25,880 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 09:50:25,881 INFO ]: With dead ends: 10 [2018-06-25 09:50:25,881 INFO ]: Without dead ends: 10 [2018-06-25 09:50:25,882 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 [2018-06-25 09:50:25,882 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-25 09:50:25,883 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-25 09:50:25,883 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-25 09:50:25,883 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2018-06-25 09:50:25,883 INFO ]: Start accepts. Automaton has 10 states and 15 transitions. Word has length 8 [2018-06-25 09:50:25,883 INFO ]: Finished accepts. word is rejected. [2018-06-25 09:50:25,883 INFO ]: Abstraction has 10 states and 15 transitions. [2018-06-25 09:50:25,883 INFO ]: Interpolant automaton has 3 states. [2018-06-25 09:50:25,883 INFO ]: Start isEmpty. Operand 10 states and 15 transitions. [2018-06-25 09:50:25,885 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 09:50:25,885 INFO ]: Found error trace [2018-06-25 09:50:25,885 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 09:50:25,885 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 09:50:25,885 INFO ]: Analyzing trace with hash -2053405102, now seen corresponding path program 1 times [2018-06-25 09:50:25,885 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 09:50:25,885 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 09:50:25,888 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,888 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 09:50:25,888 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 09:50:25,912 INFO ]: Conjunction of SSA is sat [2018-06-25 09:50:25,914 INFO ]: Counterexample might be feasible [2018-06-25 09:50:25,935 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 09:50:25 BoogieIcfgContainer [2018-06-25 09:50:25,935 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 09:50:25,936 INFO ]: Toolchain (without parser) took 1094.21 ms. Allocated memory is still 309.9 MB. Free memory was 266.2 MB in the beginning and 234.3 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 3.6 GB. [2018-06-25 09:50:25,937 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 09:50:25,939 INFO ]: ChcToBoogie took 59.76 ms. Allocated memory is still 309.9 MB. Free memory was 266.2 MB in the beginning and 264.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 09:50:25,940 INFO ]: Boogie Preprocessor took 36.81 ms. Allocated memory is still 309.9 MB. Free memory was 264.2 MB in the beginning and 262.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 09:50:25,941 INFO ]: RCFGBuilder took 267.23 ms. Allocated memory is still 309.9 MB. Free memory was 262.3 MB in the beginning and 254.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-25 09:50:25,941 INFO ]: TraceAbstraction took 720.94 ms. Allocated memory is still 309.9 MB. Free memory was 254.3 MB in the beginning and 234.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. [2018-06-25 09:50:25,946 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.76 ms. Allocated memory is still 309.9 MB. Free memory was 266.2 MB in the beginning and 264.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.81 ms. Allocated memory is still 309.9 MB. Free memory was 264.2 MB in the beginning and 262.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 267.23 ms. Allocated memory is still 309.9 MB. Free memory was 262.3 MB in the beginning and 254.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 720.94 ms. Allocated memory is still 309.9 MB. Free memory was 254.3 MB in the beginning and 234.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume (!(hbv_False_1_Int < hbv_False_2_Int + hbv_False_2_Int) && !(hbv_False_5_Int > 0)) && !(hbv_False_3_Int == hbv_False_4_Int); [L0] hhv_INV_MAIN_42_0_Int, hhv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_4_Int := hbv_False_1_Int, hbv_False_3_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_4_Int; [L0] havoc hbv_False_4_Int, hbv_False_5_Int, hbv_False_2_Int, hbv_False_1_Int, hbv_False_3_Int; [L0] assume ((hhv_INV_MAIN_42_3_Int == hbv_INV_MAIN_42_1_Int - 1 && hhv_INV_MAIN_42_4_Int == hbv_INV_MAIN_42_2_Int + 2) && !(hhv_INV_MAIN_42_0_Int < hhv_INV_MAIN_42_2_Int + hhv_INV_MAIN_42_2_Int)) && hbv_INV_MAIN_42_1_Int > 0; [L0] hhv_INV_MAIN_42_0_Int, hhv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_4_Int := hhv_INV_MAIN_42_0_Int, hhv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hbv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_2_Int; [L0] havoc hbv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_2_Int; [L0] assume (((hhv_INV_MAIN_42_4_Int == 0 && hhv_INV_MAIN_42_1_Int == 0) && hhv_INV_MAIN_42_2_Int == hbv_INV_MAIN_42_1_Int) && hhv_INV_MAIN_42_0_Int == 0) && hhv_INV_MAIN_42_3_Int == hbv_INV_MAIN_42_1_Int + 1; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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/faulty__loop5!.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_09-50-25-958.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__loop5!.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_09-50-25-958.csv Received shutdown request...