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/hopv/lia/mochi/enc-zip.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:45:19,614 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:45:19,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:45:19,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:45:19,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:45:19,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:45:19,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:45:19,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:45:19,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:45:19,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:45:19,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:45:19,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:45:19,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:45:19,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:45:19,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:45:19,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:45:19,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:45:19,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:45:19,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:45:19,706 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:45:19,714 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:45:19,716 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:45:19,716 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:45:19,717 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:45:19,717 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:45:19,718 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:45:19,719 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:45:19,719 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:45:19,720 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 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[2018-06-22 01:45:19,727 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:45:19,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:45:19,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:45:19,751 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:45:19,751 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:45:19,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:45:19,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:45:19,753 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:45:19,753 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:45:19,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:45:19,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:45:19,754 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:45:19,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:45:19,754 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:45:19,754 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:45:19,754 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:45:19,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:45:19,755 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:45:19,757 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:45:19,757 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:45:19,802 INFO ]: Repository-Root is: /tmp [2018-06-22 01:45:19,818 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:45:19,823 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:45:19,824 INFO ]: Initializing SmtParser... [2018-06-22 01:45:19,824 INFO ]: SmtParser initialized [2018-06-22 01:45:19,825 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 [2018-06-22 01:45:19,826 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 01:45:19,916 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 unknown [2018-06-22 01:45:20,137 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/enc-zip.smt2 [2018-06-22 01:45:20,147 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:45:20,154 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:45:20,154 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:45:20,154 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:45:20,154 INFO ]: ChcToBoogie initialized [2018-06-22 01:45:20,161 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,214 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20 Unit [2018-06-22 01:45:20,214 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:45:20,215 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:45:20,215 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:45:20,215 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:45:20,236 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,236 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,242 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,242 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,246 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,251 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,252 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... [2018-06-22 01:45:20,254 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:45:20,255 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:45:20,255 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:45:20,255 INFO ]: RCFGBuilder initialized [2018-06-22 01:45:20,256 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:45:20,277 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:45:20,277 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:45:20,277 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:45:20,277 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:45:20,277 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:45:20,277 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 01:45:20,554 INFO ]: Using library mode [2018-06-22 01:45:20,554 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:45:20 BoogieIcfgContainer [2018-06-22 01:45:20,554 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:45:20,565 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:45:20,565 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:45:20,568 INFO ]: TraceAbstraction initialized [2018-06-22 01:45:20,568 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:45:20" (1/3) ... [2018-06-22 01:45:20,569 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bca04a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:45:20, skipping insertion in model container [2018-06-22 01:45:20,569 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:45:20" (2/3) ... [2018-06-22 01:45:20,569 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bca04a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:45:20, skipping insertion in model container [2018-06-22 01:45:20,569 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:45:20" (3/3) ... [2018-06-22 01:45:20,571 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:45:20,586 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:45:20,633 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:45:20,667 INFO ]: Using default assertion order modulation [2018-06-22 01:45:20,667 INFO ]: Interprodecural is true [2018-06-22 01:45:20,667 INFO ]: Hoare is false [2018-06-22 01:45:20,667 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:45:20,668 INFO ]: Backedges is TWOTRACK [2018-06-22 01:45:20,668 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:45:20,668 INFO ]: Difference is false [2018-06-22 01:45:20,668 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:45:20,668 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:45:20,680 INFO ]: Start isEmpty. Operand 14 states. [2018-06-22 01:45:20,690 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 01:45:20,690 INFO ]: Found error trace [2018-06-22 01:45:20,691 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:20,691 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:20,696 INFO ]: Analyzing trace with hash 1255893213, now seen corresponding path program 1 times [2018-06-22 01:45:20,698 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:20,698 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:20,733 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:20,733 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:20,733 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:20,760 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:20,823 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:45:20,826 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:45:20,826 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 01:45:20,828 INFO ]: Interpolant automaton has 2 states [2018-06-22 01:45:20,842 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 01:45:20,843 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:45:20,845 INFO ]: Start difference. First operand 14 states. Second operand 2 states. [2018-06-22 01:45:20,864 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:20,864 INFO ]: Finished difference Result 12 states and 17 transitions. [2018-06-22 01:45:20,864 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 01:45:20,865 INFO ]: Start accepts. Automaton has 2 states. Word has length 7 [2018-06-22 01:45:20,866 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:20,883 INFO ]: With dead ends: 12 [2018-06-22 01:45:20,883 INFO ]: Without dead ends: 12 [2018-06-22 01:45:20,887 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:45:20,902 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-22 01:45:20,922 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-22 01:45:20,923 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-22 01:45:20,923 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2018-06-22 01:45:20,926 INFO ]: Start accepts. Automaton has 12 states and 17 transitions. Word has length 7 [2018-06-22 01:45:20,927 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:20,927 INFO ]: Abstraction has 12 states and 17 transitions. [2018-06-22 01:45:20,927 INFO ]: Interpolant automaton has 2 states. [2018-06-22 01:45:20,927 INFO ]: Start isEmpty. Operand 12 states and 17 transitions. [2018-06-22 01:45:20,928 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 01:45:20,928 INFO ]: Found error trace [2018-06-22 01:45:20,928 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:20,928 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:20,929 INFO ]: Analyzing trace with hash 232634573, now seen corresponding path program 1 times [2018-06-22 01:45:20,929 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:20,929 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:20,929 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:20,930 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:20,930 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:20,948 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:21,007 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:45:21,008 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:45:21,008 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 01:45:21,010 INFO ]: Interpolant automaton has 4 states [2018-06-22 01:45:21,010 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 01:45:21,010 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 01:45:21,010 INFO ]: Start difference. First operand 12 states and 17 transitions. Second operand 4 states. [2018-06-22 01:45:21,104 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:21,104 INFO ]: Finished difference Result 21 states and 31 transitions. [2018-06-22 01:45:21,105 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 01:45:21,105 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-22 01:45:21,105 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:21,106 INFO ]: With dead ends: 21 [2018-06-22 01:45:21,106 INFO ]: Without dead ends: 21 [2018-06-22 01:45:21,107 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 01:45:21,107 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 01:45:21,111 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-06-22 01:45:21,111 INFO ]: Start removeUnreachable. Operand 21 states. [2018-06-22 01:45:21,112 INFO ]: Finished removeUnreachable. Reduced from 21 states to 21 states and 31 transitions. [2018-06-22 01:45:21,112 INFO ]: Start accepts. Automaton has 21 states and 31 transitions. Word has length 8 [2018-06-22 01:45:21,113 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:21,113 INFO ]: Abstraction has 21 states and 31 transitions. [2018-06-22 01:45:21,113 INFO ]: Interpolant automaton has 4 states. [2018-06-22 01:45:21,113 INFO ]: Start isEmpty. Operand 21 states and 31 transitions. [2018-06-22 01:45:21,113 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 01:45:21,113 INFO ]: Found error trace [2018-06-22 01:45:21,114 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:21,114 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:21,114 INFO ]: Analyzing trace with hash 280657665, now seen corresponding path program 1 times [2018-06-22 01:45:21,114 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:21,114 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:21,115 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,115 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:21,115 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,122 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:21,162 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:45:21,162 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:45:21,162 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 01:45:21,162 INFO ]: Interpolant automaton has 3 states [2018-06-22 01:45:21,162 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 01:45:21,162 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 01:45:21,162 INFO ]: Start difference. First operand 21 states and 31 transitions. Second operand 3 states. [2018-06-22 01:45:21,186 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:21,186 INFO ]: Finished difference Result 23 states and 33 transitions. [2018-06-22 01:45:21,186 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 01:45:21,186 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-22 01:45:21,186 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:21,187 INFO ]: With dead ends: 23 [2018-06-22 01:45:21,187 INFO ]: Without dead ends: 21 [2018-06-22 01:45:21,187 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 [2018-06-22 01:45:21,187 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 01:45:21,190 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-06-22 01:45:21,190 INFO ]: Start removeUnreachable. Operand 21 states. [2018-06-22 01:45:21,191 INFO ]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2018-06-22 01:45:21,191 INFO ]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 8 [2018-06-22 01:45:21,191 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:21,191 INFO ]: Abstraction has 21 states and 27 transitions. [2018-06-22 01:45:21,191 INFO ]: Interpolant automaton has 3 states. [2018-06-22 01:45:21,191 INFO ]: Start isEmpty. Operand 21 states and 27 transitions. [2018-06-22 01:45:21,192 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 01:45:21,192 INFO ]: Found error trace [2018-06-22 01:45:21,192 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:21,192 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:21,192 INFO ]: Analyzing trace with hash -93741955, now seen corresponding path program 1 times [2018-06-22 01:45:21,192 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:21,192 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:21,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,193 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:21,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,202 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:21,219 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:45:21,220 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:45:21,220 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 01:45:21,220 INFO ]: Interpolant automaton has 3 states [2018-06-22 01:45:21,220 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 01:45:21,220 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 01:45:21,220 INFO ]: Start difference. First operand 21 states and 27 transitions. Second operand 3 states. [2018-06-22 01:45:21,258 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:21,258 INFO ]: Finished difference Result 27 states and 36 transitions. [2018-06-22 01:45:21,258 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 01:45:21,258 INFO ]: Start accepts. Automaton has 3 states. Word has length 9 [2018-06-22 01:45:21,258 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:21,261 INFO ]: With dead ends: 27 [2018-06-22 01:45:21,261 INFO ]: Without dead ends: 27 [2018-06-22 01:45:21,261 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 [2018-06-22 01:45:21,261 INFO ]: Start minimizeSevpa. Operand 27 states. [2018-06-22 01:45:21,267 INFO ]: Finished minimizeSevpa. Reduced states from 27 to 22. [2018-06-22 01:45:21,267 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-22 01:45:21,269 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2018-06-22 01:45:21,270 INFO ]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 9 [2018-06-22 01:45:21,270 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:21,270 INFO ]: Abstraction has 22 states and 27 transitions. [2018-06-22 01:45:21,270 INFO ]: Interpolant automaton has 3 states. [2018-06-22 01:45:21,270 INFO ]: Start isEmpty. Operand 22 states and 27 transitions. [2018-06-22 01:45:21,270 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 01:45:21,270 INFO ]: Found error trace [2018-06-22 01:45:21,271 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:21,271 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:21,271 INFO ]: Analyzing trace with hash -180131906, now seen corresponding path program 1 times [2018-06-22 01:45:21,271 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:21,271 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:21,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,273 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:21,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:21,312 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:21,630 WARN ]: Spent 189.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-06-22 01:45:21,667 INFO ]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-22 01:45:21,667 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 01:45:21,667 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 01:45:21,677 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:21,715 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:21,727 INFO ]: Computing forward predicates... [2018-06-22 01:45:22,186 INFO ]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-22 01:45:22,205 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 01:45:22,205 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 01:45:22,206 INFO ]: Interpolant automaton has 9 states [2018-06-22 01:45:22,206 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 01:45:22,206 INFO ]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-06-22 01:45:22,206 INFO ]: Start difference. First operand 22 states and 27 transitions. Second operand 9 states. [2018-06-22 01:45:22,892 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:22,892 INFO ]: Finished difference Result 31 states and 41 transitions. [2018-06-22 01:45:22,893 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 01:45:22,893 INFO ]: Start accepts. Automaton has 9 states. Word has length 17 [2018-06-22 01:45:22,893 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:22,894 INFO ]: With dead ends: 31 [2018-06-22 01:45:22,894 INFO ]: Without dead ends: 30 [2018-06-22 01:45:22,894 INFO ]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-06-22 01:45:22,894 INFO ]: Start minimizeSevpa. Operand 30 states. [2018-06-22 01:45:22,898 INFO ]: Finished minimizeSevpa. Reduced states from 30 to 26. [2018-06-22 01:45:22,898 INFO ]: Start removeUnreachable. Operand 26 states. [2018-06-22 01:45:22,899 INFO ]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2018-06-22 01:45:22,899 INFO ]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2018-06-22 01:45:22,899 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:22,899 INFO ]: Abstraction has 26 states and 32 transitions. [2018-06-22 01:45:22,899 INFO ]: Interpolant automaton has 9 states. [2018-06-22 01:45:22,899 INFO ]: Start isEmpty. Operand 26 states and 32 transitions. [2018-06-22 01:45:22,900 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 01:45:22,900 INFO ]: Found error trace [2018-06-22 01:45:22,900 INFO ]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-06-22 01:45:22,901 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:45:22,901 INFO ]: Analyzing trace with hash 119188863, now seen corresponding path program 2 times [2018-06-22 01:45:22,901 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:45:22,901 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:45:22,901 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:22,901 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:45:22,901 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:45:22,920 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:23,316 WARN ]: Spent 327.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-06-22 01:45:23,433 INFO ]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 01:45:23,433 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 01:45:23,433 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 01:45:23,447 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 01:45:23,490 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 01:45:23,490 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:45:23,493 INFO ]: Computing forward predicates... [2018-06-22 01:45:23,809 INFO ]: Checked inductivity of 20 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 01:45:23,838 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 01:45:23,838 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2018-06-22 01:45:23,838 INFO ]: Interpolant automaton has 13 states [2018-06-22 01:45:23,838 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 01:45:23,838 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 01:45:23,838 INFO ]: Start difference. First operand 26 states and 32 transitions. Second operand 13 states. [2018-06-22 01:45:24,320 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:45:24,320 INFO ]: Finished difference Result 24 states and 29 transitions. [2018-06-22 01:45:24,321 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 01:45:24,321 INFO ]: Start accepts. Automaton has 13 states. Word has length 25 [2018-06-22 01:45:24,321 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:45:24,321 INFO ]: With dead ends: 24 [2018-06-22 01:45:24,321 INFO ]: Without dead ends: 0 [2018-06-22 01:45:24,322 INFO ]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2018-06-22 01:45:24,322 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 01:45:24,322 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 01:45:24,322 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 01:45:24,322 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 01:45:24,322 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-06-22 01:45:24,322 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:45:24,322 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 01:45:24,322 INFO ]: Interpolant automaton has 13 states. [2018-06-22 01:45:24,322 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 01:45:24,322 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:45:24,326 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:45:24 BoogieIcfgContainer [2018-06-22 01:45:24,326 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:45:24,326 INFO ]: Toolchain (without parser) took 4179.13 ms. Allocated memory is still 307.8 MB. Free memory was 264.3 MB in the beginning and 177.5 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 3.6 GB. [2018-06-22 01:45:24,327 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:45:24,327 INFO ]: ChcToBoogie took 60.26 ms. Allocated memory is still 307.8 MB. Free memory was 263.3 MB in the beginning and 261.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:45:24,328 INFO ]: Boogie Preprocessor took 39.55 ms. Allocated memory is still 307.8 MB. Free memory was 261.3 MB in the beginning and 260.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 01:45:24,329 INFO ]: RCFGBuilder took 299.29 ms. Allocated memory is still 307.8 MB. Free memory was 260.2 MB in the beginning and 251.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:45:24,329 INFO ]: TraceAbstraction took 3761.09 ms. Allocated memory is still 307.8 MB. Free memory was 251.2 MB in the beginning and 177.5 MB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 3.6 GB. [2018-06-22 01:45:24,338 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 307.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 60.26 ms. Allocated memory is still 307.8 MB. Free memory was 263.3 MB in the beginning and 261.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 39.55 ms. Allocated memory is still 307.8 MB. Free memory was 261.3 MB in the beginning and 260.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 299.29 ms. Allocated memory is still 307.8 MB. Free memory was 260.2 MB in the beginning and 251.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 3761.09 ms. Allocated memory is still 307.8 MB. Free memory was 251.2 MB in the beginning and 177.5 MB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 104 SDslu, 166 SDs, 0 SdLazy, 183 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 7793 SizeOfPredicates, 16 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 41/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-45-24-363.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/enc-zip.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-45-24-363.csv Received shutdown request...