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/quant/heap__selsort.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 10:10:14,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 10:10:14,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 10:10:14,848 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 10:10:14,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 10:10:14,849 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 10:10:14,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 10:10:14,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 10:10:14,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 10:10:14,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 10:10:14,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 10:10:14,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 10:10:14,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 10:10:14,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 10:10:14,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 10:10:14,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 10:10:14,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 10:10:14,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 10:10:14,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 10:10:14,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 10:10:14,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 10:10:14,887 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 10:10:14,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 10:10:14,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 10:10:14,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 10:10:14,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 10:10:14,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 10:10:14,895 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 10:10:14,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 10:10:14,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 10:10:14,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 10:10:14,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 10:10:14,901 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 10:10:14,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 10:10:14,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 10:10:14,904 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 10:10:14,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 10:10:14,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 10:10:14,919 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 10:10:14,919 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 10:10:14,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 10:10:14,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 10:10:14,920 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 10:10:14,921 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 10:10:14,921 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 10:10:14,921 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 10:10:14,921 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 10:10:14,921 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 10:10:14,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 10:10:14,922 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 10:10:14,922 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 10:10:14,922 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 10:10:14,922 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 10:10:14,923 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 10:10:14,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 10:10:14,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 10:10:14,923 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 10:10:14,924 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 10:10:14,925 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 10:10:14,980 INFO ]: Repository-Root is: /tmp [2018-06-25 10:10:14,997 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 10:10:15,001 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 10:10:15,004 INFO ]: Initializing SmtParser... [2018-06-25 10:10:15,004 INFO ]: SmtParser initialized [2018-06-25 10:10:15,005 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/heap__selsort.smt2 [2018-06-25 10:10:15,006 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 10:10:15,092 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/heap__selsort.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@2684ee58 [2018-06-25 10:10:15,428 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/heap__selsort.smt2 [2018-06-25 10:10:15,433 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 10:10:15,439 INFO ]: Walking toolchain with 4 elements. [2018-06-25 10:10:15,439 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 10:10:15,439 INFO ]: Initializing ChcToBoogie... [2018-06-25 10:10:15,439 INFO ]: ChcToBoogie initialized [2018-06-25 10:10:15,443 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,530 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15 Unit [2018-06-25 10:10:15,530 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 10:10:15,531 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 10:10:15,531 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 10:10:15,531 INFO ]: Boogie Preprocessor initialized [2018-06-25 10:10:15,547 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,548 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,563 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,563 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,581 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,583 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,586 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (1/1) ... [2018-06-25 10:10:15,591 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 10:10:15,592 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 10:10:15,592 INFO ]: Initializing RCFGBuilder... [2018-06-25 10:10:15,592 INFO ]: RCFGBuilder initialized [2018-06-25 10:10:15,593 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (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 10:10:15,613 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 10:10:15,613 INFO ]: Found specification of procedure gotoProc [2018-06-25 10:10:15,613 INFO ]: Found implementation of procedure gotoProc [2018-06-25 10:10:15,613 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 10:10:15,613 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 10:10:15,613 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 10:10:16,116 INFO ]: Using library mode [2018-06-25 10:10:16,116 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:10:16 BoogieIcfgContainer [2018-06-25 10:10:16,116 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 10:10:16,117 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 10:10:16,117 INFO ]: Initializing TraceAbstraction... [2018-06-25 10:10:16,121 INFO ]: TraceAbstraction initialized [2018-06-25 10:10:16,121 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:10:15" (1/3) ... [2018-06-25 10:10:16,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9e5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 10:10:16, skipping insertion in model container [2018-06-25 10:10:16,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:10:15" (2/3) ... [2018-06-25 10:10:16,122 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9e5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 10:10:16, skipping insertion in model container [2018-06-25 10:10:16,122 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:10:16" (3/3) ... [2018-06-25 10:10:16,124 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 10:10:16,136 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 10:10:16,150 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 10:10:16,188 INFO ]: Using default assertion order modulation [2018-06-25 10:10:16,189 INFO ]: Interprodecural is true [2018-06-25 10:10:16,189 INFO ]: Hoare is false [2018-06-25 10:10:16,189 INFO ]: Compute interpolants for FPandBP [2018-06-25 10:10:16,189 INFO ]: Backedges is TWOTRACK [2018-06-25 10:10:16,189 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 10:10:16,189 INFO ]: Difference is false [2018-06-25 10:10:16,189 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 10:10:16,189 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 10:10:16,200 INFO ]: Start isEmpty. Operand 11 states. [2018-06-25 10:10:16,209 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 10:10:16,209 INFO ]: Found error trace [2018-06-25 10:10:16,210 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:10:16,210 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:10:16,215 INFO ]: Analyzing trace with hash -80333946, now seen corresponding path program 1 times [2018-06-25 10:10:16,216 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:10:16,217 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:10:16,253 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,253 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:10:16,254 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,296 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:10:16,394 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:10:16,396 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 10:10:16,396 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 10:10:16,397 INFO ]: Interpolant automaton has 3 states [2018-06-25 10:10:16,410 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 10:10:16,410 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 10:10:16,413 INFO ]: Start difference. First operand 11 states. Second operand 3 states. [2018-06-25 10:10:16,517 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 10:10:16,517 INFO ]: Finished difference Result 11 states and 25 transitions. [2018-06-25 10:10:16,517 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 10:10:16,518 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 10:10:16,518 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 10:10:16,526 INFO ]: With dead ends: 11 [2018-06-25 10:10:16,526 INFO ]: Without dead ends: 11 [2018-06-25 10:10:16,527 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 10:10:16,544 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 10:10:16,557 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-06-25 10:10:16,559 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-25 10:10:16,559 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 20 transitions. [2018-06-25 10:10:16,560 INFO ]: Start accepts. Automaton has 10 states and 20 transitions. Word has length 7 [2018-06-25 10:10:16,561 INFO ]: Finished accepts. word is rejected. [2018-06-25 10:10:16,561 INFO ]: Abstraction has 10 states and 20 transitions. [2018-06-25 10:10:16,561 INFO ]: Interpolant automaton has 3 states. [2018-06-25 10:10:16,561 INFO ]: Start isEmpty. Operand 10 states and 20 transitions. [2018-06-25 10:10:16,561 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 10:10:16,561 INFO ]: Found error trace [2018-06-25 10:10:16,561 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:10:16,561 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:10:16,561 INFO ]: Analyzing trace with hash -87722114, now seen corresponding path program 1 times [2018-06-25 10:10:16,561 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:10:16,561 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:10:16,562 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,562 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:10:16,562 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,573 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:10:16,598 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:10:16,598 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 10:10:16,598 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 10:10:16,600 INFO ]: Interpolant automaton has 3 states [2018-06-25 10:10:16,600 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 10:10:16,600 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 10:10:16,600 INFO ]: Start difference. First operand 10 states and 20 transitions. Second operand 3 states. [2018-06-25 10:10:16,671 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 10:10:16,671 INFO ]: Finished difference Result 12 states and 26 transitions. [2018-06-25 10:10:16,672 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 10:10:16,673 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 10:10:16,673 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 10:10:16,673 INFO ]: With dead ends: 12 [2018-06-25 10:10:16,673 INFO ]: Without dead ends: 12 [2018-06-25 10:10:16,674 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 10:10:16,674 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-25 10:10:16,676 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 10. [2018-06-25 10:10:16,676 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-25 10:10:16,676 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 20 transitions. [2018-06-25 10:10:16,676 INFO ]: Start accepts. Automaton has 10 states and 20 transitions. Word has length 7 [2018-06-25 10:10:16,676 INFO ]: Finished accepts. word is rejected. [2018-06-25 10:10:16,676 INFO ]: Abstraction has 10 states and 20 transitions. [2018-06-25 10:10:16,676 INFO ]: Interpolant automaton has 3 states. [2018-06-25 10:10:16,676 INFO ]: Start isEmpty. Operand 10 states and 20 transitions. [2018-06-25 10:10:16,677 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 10:10:16,677 INFO ]: Found error trace [2018-06-25 10:10:16,679 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:10:16,679 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:10:16,679 INFO ]: Analyzing trace with hash -71098736, now seen corresponding path program 1 times [2018-06-25 10:10:16,679 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:10:16,679 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:10:16,680 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,680 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:10:16,680 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:10:16,702 INFO ]: Conjunction of SSA is sat [2018-06-25 10:10:16,706 INFO ]: Counterexample might be feasible [2018-06-25 10:10:16,722 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 10:10:16 BoogieIcfgContainer [2018-06-25 10:10:16,722 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 10:10:16,723 INFO ]: Toolchain (without parser) took 1290.15 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 209.6 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 3.6 GB. [2018-06-25 10:10:16,728 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 10:10:16,728 INFO ]: ChcToBoogie took 91.60 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:10:16,729 INFO ]: Boogie Preprocessor took 60.24 ms. Allocated memory is still 305.1 MB. Free memory was 253.5 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:10:16,729 INFO ]: RCFGBuilder took 524.46 ms. Allocated memory is still 305.1 MB. Free memory was 251.6 MB in the beginning and 233.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 3.6 GB. [2018-06-25 10:10:16,730 INFO ]: TraceAbstraction took 605.08 ms. Allocated memory is still 305.1 MB. Free memory was 233.6 MB in the beginning and 209.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:10:16,738 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 305.1 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.60 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.24 ms. Allocated memory is still 305.1 MB. Free memory was 253.5 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 524.46 ms. Allocated memory is still 305.1 MB. Free memory was 251.6 MB in the beginning and 233.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 605.08 ms. Allocated memory is still 305.1 MB. Free memory was 233.6 MB in the beginning and 209.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume (!(hbv_False_6_Int < hbv_False_7_Int) && !(hbv_False_4_Int < hbv_False_5_Int)) && !(0 == 0 && hbv_False_1_Array_Int_Int[hbv_False_2_Int] == hbv_False_3_Array_Int_Int[hbv_False_2_Int]); [L0] hhv_INV_MAIN_1_0_Int, hhv_INV_MAIN_1_1_Int, hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_3_Int, hhv_INV_MAIN_1_4_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_6_Int, hhv_INV_MAIN_1_7_Int, hhv_INV_MAIN_1_8_Int, hhv_INV_MAIN_1_9_Int := hbv_False_8_Int, hbv_False_6_Int, hbv_False_7_Int, skolem5(hbv_False_6_Int, hbv_False_7_Int, hbv_False_9_Int, hbv_False_5_Int, hbv_False_1_Array_Int_Int, hbv_False_8_Int, hbv_False_4_Int, hbv_False_3_Array_Int_Int), hbv_False_1_Array_Int_Int[skolem5(hbv_False_6_Int, hbv_False_7_Int, hbv_False_9_Int, hbv_False_5_Int, hbv_False_1_Array_Int_Int, hbv_False_8_Int, hbv_False_4_Int, hbv_False_3_Array_Int_Int)], hbv_False_9_Int, hbv_False_4_Int, hbv_False_5_Int, skolem6(hbv_False_6_Int, hbv_False_7_Int, hbv_False_9_Int, hbv_False_5_Int, hbv_False_1_Array_Int_Int, hbv_False_8_Int, hbv_False_4_Int, hbv_False_3_Array_Int_Int), hbv_False_3_Array_Int_Int[skolem6(hbv_False_6_Int, hbv_False_7_Int, hbv_False_9_Int, hbv_False_5_Int, hbv_False_1_Array_Int_Int, hbv_False_8_Int, hbv_False_4_Int, hbv_False_3_Array_Int_Int)]; [L0] havoc hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Array_Int_Int, hbv_False_9_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_7_Int; [L0] assume (((((hhv_INV_MAIN_1_2_Int == hhv_INV_MAIN_1_7_Int && hhv_INV_MAIN_1_4_Int == hbv_INV_MAIN_1_2_Array_Int_Int[hhv_INV_MAIN_1_3_Int]) && hbv_INV_MAIN_1_2_Array_Int_Int[skolem0(hhv_INV_MAIN_1_3_Int, hhv_INV_MAIN_1_8_Int, hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_7_Int, hbv_INV_MAIN_1_2_Array_Int_Int, hhv_INV_MAIN_1_0_Int, hbv_INV_MAIN_1_1_Array_Int_Int)] == hbv_INV_MAIN_1_1_Array_Int_Int[skolem0(hhv_INV_MAIN_1_3_Int, hhv_INV_MAIN_1_8_Int, hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_7_Int, hbv_INV_MAIN_1_2_Array_Int_Int, hhv_INV_MAIN_1_0_Int, hbv_INV_MAIN_1_1_Array_Int_Int)]) && hhv_INV_MAIN_1_9_Int == hbv_INV_MAIN_1_1_Array_Int_Int[hhv_INV_MAIN_1_8_Int]) && hhv_INV_MAIN_1_0_Int == hhv_INV_MAIN_1_5_Int) && hhv_INV_MAIN_1_6_Int == 0) && hhv_INV_MAIN_1_1_Int == 0; [L0] RET call gotoProc(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, 11 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 10 SDslu, 26 SDs, 0 SdLazy, 13 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 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/heap__selsort.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_10-10-16-756.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/heap__selsort.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_10-10-16-756.csv Received shutdown request...