java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a9d37a5-m [2019-02-28 14:53:39,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-28 14:53:39,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-28 14:53:39,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-28 14:53:39,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-28 14:53:39,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-28 14:53:39,541 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-28 14:53:39,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-28 14:53:39,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-28 14:53:39,546 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-28 14:53:39,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-28 14:53:39,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-28 14:53:39,548 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-28 14:53:39,549 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-28 14:53:39,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-28 14:53:39,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-28 14:53:39,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-28 14:53:39,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-28 14:53:39,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-28 14:53:39,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-28 14:53:39,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-28 14:53:39,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-28 14:53:39,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-02-28 14:53:39,572 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-02-28 14:53:39,587 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-28 14:53:39,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-28 14:53:39,588 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-28 14:53:39,588 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-28 14:53:39,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-28 14:53:39,592 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-28 14:53:39,592 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-28 14:53:39,593 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-28 14:53:39,593 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-28 14:53:39,593 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-28 14:53:39,593 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-28 14:53:39,593 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-28 14:53:39,594 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-28 14:53:39,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-28 14:53:39,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-28 14:53:39,596 INFO L133 SettingsManager]: * Use SBE=true [2019-02-28 14:53:39,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-28 14:53:39,596 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-28 14:53:39,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-28 14:53:39,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-28 14:53:39,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-28 14:53:39,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-28 14:53:39,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-28 14:53:39,599 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-28 14:53:39,599 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-28 14:53:39,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-28 14:53:39,600 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-28 14:53:39,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-28 14:53:39,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-28 14:53:39,601 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-28 14:53:39,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 14:53:39,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-28 14:53:39,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-28 14:53:39,602 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-28 14:53:39,602 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-28 14:53:39,602 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-28 14:53:39,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in [2019-02-28 14:53:39,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-28 14:53:39,603 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-28 14:53:39,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-28 14:53:39,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-28 14:53:39,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-28 14:53:39,673 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-28 14:53:39,673 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-28 14:53:39,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl [2019-02-28 14:53:39,675 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/invert_string.i_4.bpl' [2019-02-28 14:53:39,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-28 14:53:39,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-28 14:53:39,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-28 14:53:39,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-28 14:53:39,739 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-28 14:53:39,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-28 14:53:39,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-28 14:53:39,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-28 14:53:39,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-28 14:53:39,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... [2019-02-28 14:53:39,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-28 14:53:39,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-28 14:53:39,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-28 14:53:39,810 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-28 14:53:39,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:53:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 14:53:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-28 14:53:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-28 14:53:40,408 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-28 14:53:40,409 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-02-28 14:53:40,410 INFO L202 PluginConnector]: Adding new model invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 02:53:40 BoogieIcfgContainer [2019-02-28 14:53:40,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-28 14:53:40,411 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-28 14:53:40,411 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-28 14:53:40,412 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-28 14:53:40,412 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "invert_string.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 02:53:40" (1/1) ... [2019-02-28 14:53:40,456 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-28 14:53:40,531 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-02-28 14:53:58,307 FATAL L214 ngHoareTripleChecker]: Soundness check failed for the following hoare triple [2019-02-28 14:53:58,307 FATAL L217 ngHoareTripleChecker]: Expected: VALID Actual: INVALID [2019-02-28 14:53:58,312 FATAL L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-02-28 14:53:58,313 FATAL L223 ngHoareTripleChecker]: -- [2019-02-28 14:53:58,313 FATAL L224 ngHoareTripleChecker]: Pre: {2147483619#(or (forall ((v_idx_117 Int)) (and (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) 8589934592) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~j~6)) 0) (<= (+ c_ULTIMATE.start_main_~i~6 1) c_ULTIMATE.start_main_~MAX~6) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 1) (<= c_ULTIMATE.start_main_~cont~6 (+ c_ULTIMATE.start_main_~MAX~6 4294967296)) (<= c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~j~6) c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~j~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) 4294967296) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~cont~6 1)) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= (- c_ULTIMATE.start_main_~j~6 (- c_ULTIMATE.start_main_~j~6)) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~j~6)) 2) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~j~6) 4294967296) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) (- 1)) (<= (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 3) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) 0) (<= 0 (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6 8589934593)) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~cont~6) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~j~6)) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 2) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) 8589934593) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~j~6) 1) (<= (- (- c_ULTIMATE.start_main_~i~6) (- c_ULTIMATE.start_main_~j~6)) 4294967297) (or (= c_ULTIMATE.start_main_~cont~6 (select c_ULTIMATE.start_main_~str1~6 v_idx_117)) (<= (+ c_ULTIMATE.start_main_~i~6 1) v_idx_117) (< v_idx_117 c_ULTIMATE.start_main_~i~6)) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= 0 (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~i~6 4294967297)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 3) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 1) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~j~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 4) (<= (* 2 c_ULTIMATE.start_main_~i~6) 2) (<= 0 (+ (* 2 c_ULTIMATE.start_main_~i~6) 8589934594)) (<= c_ULTIMATE.start_main_~cont~6 (+ c_ULTIMATE.start_main_~i~6 4294967297)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 2)) (<= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~j~6 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) 4294967296) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6 4294967297)) (<= c_ULTIMATE.start_main_~j~6 (+ c_ULTIMATE.start_main_~i~6 4294967297)) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 1) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~j~6) 2) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) 8589934594) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~i~6 1)) (<= (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~j~6)) 1))) (and (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) 8589934592) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~j~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~j~6)) 0) (<= (- (- c_ULTIMATE.start_main_~j~6) c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~j~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) 4294967296) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~j~6)) 2) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~j~6) 4294967296) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) (- 1)) (<= (- c_ULTIMATE.start_main_~j~6 (- c_ULTIMATE.start_main_~j~6)) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 2) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) 0) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~j~6) 0) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~j~6)) 1) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 1) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) 4294967296) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) 8589934593) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 1) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~j~6)) 1) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) 8589934594) (<= (- (- c_ULTIMATE.start_main_~i~6) (- c_ULTIMATE.start_main_~j~6)) 4294967297) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~j~6) 1) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 1)))} [2019-02-28 14:53:58,317 FATAL L228 ngHoareTripleChecker]: Action: assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; [2019-02-28 14:53:58,318 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (+ c_ULTIMATE.start_main_~j~6 1) c_ULTIMATE.start_main_~j~6_primed) (<= 0 c_ULTIMATE.start_main_~i~6) (= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~i~6_primed 1)) (= c_ULTIMATE.start_main_~str2~6_primed (store c_ULTIMATE.start_main_~str2~6 c_ULTIMATE.start_main_~j~6 (select c_ULTIMATE.start_main_~str1~6 0)))) [2019-02-28 14:53:58,319 FATAL L230 ngHoareTripleChecker]: Post: {2147483618#(forall ((v_idx_123 Int)) (and (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~j~6)) 0) (<= (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 2) (<= (- (- c_ULTIMATE.start_main_~i~6) (- c_ULTIMATE.start_main_~j~6)) 2) (<= (* 2 c_ULTIMATE.start_main_~MAX~6) 4) (<= 2 (* 2 c_ULTIMATE.start_main_~MAX~6)) (<= c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~MAX~6) (<= 0 (* 2 c_ULTIMATE.start_main_~cont~6)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~i~6) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6) 2) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~i~6) 2) (<= c_ULTIMATE.start_main_~cont~6 (+ c_ULTIMATE.start_main_~i~6 1)) (<= (- c_ULTIMATE.start_main_~j~6 (- c_ULTIMATE.start_main_~j~6)) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6) 2) (<= (- (- c_ULTIMATE.start_main_~i~6) c_ULTIMATE.start_main_~j~6) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~cont~6) 0) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6)) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~j~6) (<= 0 (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~i~6)) (<= 1 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~MAX~6)) (<= (* 2 c_ULTIMATE.start_main_~i~6) 0) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 1) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~cont~6) 2) (<= (- (- c_ULTIMATE.start_main_~j~6) c_ULTIMATE.start_main_~j~6) (- 2)) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~i~6) 1) (<= (+ c_ULTIMATE.start_main_~i~6 2) c_ULTIMATE.start_main_~MAX~6) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~cont~6) (- 1)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~i~6)) 2) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~cont~6)) 0) (<= (+ c_ULTIMATE.start_main_~cont~6 1) c_ULTIMATE.start_main_~MAX~6) (<= 0 (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6 1)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~MAX~6) (- 2)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) c_ULTIMATE.start_main_~j~6) (- 2)) (<= c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~cont~6) (<= (+ c_ULTIMATE.start_main_~i~6 1) c_ULTIMATE.start_main_~j~6) (<= c_ULTIMATE.start_main_~j~6 (+ c_ULTIMATE.start_main_~cont~6 1)) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~cont~6)) 2) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~MAX~6)) 4) (or (= (select c_ULTIMATE.start_main_~str1~6 v_idx_123) c_ULTIMATE.start_main_~cont~6) (<= c_ULTIMATE.start_main_~MAX~6 v_idx_123) (< v_idx_123 (+ c_ULTIMATE.start_main_~i~6 1))) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= c_ULTIMATE.start_main_~j~6 (+ c_ULTIMATE.start_main_~i~6 2)) (<= (- c_ULTIMATE.start_main_~cont~6 (- c_ULTIMATE.start_main_~j~6)) 1) (<= (- c_ULTIMATE.start_main_~i~6 c_ULTIMATE.start_main_~j~6) (- 1)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~cont~6 2)) (<= 0 (+ (* 2 c_ULTIMATE.start_main_~i~6) 2)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~i~6)) (- 2)) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~j~6 1)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~i~6)) 0) (<= (- (- c_ULTIMATE.start_main_~cont~6) c_ULTIMATE.start_main_~j~6) (- 1)) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~i~6)) 0) (<= (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~MAX~6) 3) (<= c_ULTIMATE.start_main_~MAX~6 (+ c_ULTIMATE.start_main_~i~6 2)) (<= (- (- c_ULTIMATE.start_main_~cont~6) (- c_ULTIMATE.start_main_~j~6)) 1) (<= (* 2 c_ULTIMATE.start_main_~cont~6) 0) (<= (- c_ULTIMATE.start_main_~MAX~6 (- c_ULTIMATE.start_main_~j~6)) 3) (<= 0 (+ c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~i~6)) (<= (- (- c_ULTIMATE.start_main_~MAX~6) (- c_ULTIMATE.start_main_~cont~6)) (- 1)) (<= (- c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) (- 1)) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~j~6) 1) (<= (- c_ULTIMATE.start_main_~MAX~6 c_ULTIMATE.start_main_~j~6) 1) (<= (+ c_ULTIMATE.start_main_~cont~6 c_ULTIMATE.start_main_~i~6) 0) (<= (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~i~6) 1) (<= 2 (+ c_ULTIMATE.start_main_~j~6 c_ULTIMATE.start_main_~MAX~6)) (<= (- c_ULTIMATE.start_main_~i~6 (- c_ULTIMATE.start_main_~j~6)) 1)))} [2019-02-28 14:53:58,319 FATAL L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-02-28 14:53:58,320 FATAL L268 ngHoareTripleChecker]: -- [2019-02-28 14:53:58,320 FATAL L269 ngHoareTripleChecker]: Simplified triple [2019-02-28 14:53:58,574 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 140 [2019-02-28 14:53:58,574 FATAL L270 ngHoareTripleChecker]: Pre: {2147483619#(or (forall ((v_idx_117 Int)) (and (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) 8589934592) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 1) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~j~6)) 0) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~MAX~6) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 1) (<= ULTIMATE.start_main_~cont~6 (+ ULTIMATE.start_main_~MAX~6 4294967296)) (<= ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- ULTIMATE.start_main_~j~6) ULTIMATE.start_main_~j~6) 0) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~j~6) 4294967297) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) 4294967296) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~cont~6 1)) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (<= (- ULTIMATE.start_main_~j~6 (- ULTIMATE.start_main_~j~6)) 0) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 2) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~j~6)) 2) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~j~6) 4294967296) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) (- 1)) (<= (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 3) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6) 0) (<= 0 (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6 8589934593)) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 4294967297) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~cont~6) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6) 0) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~j~6)) 0) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 2) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) 8589934593) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6 4294967296)) (<= (- ULTIMATE.start_main_~i~6 ULTIMATE.start_main_~j~6) 1) (<= (- (- ULTIMATE.start_main_~i~6) (- ULTIMATE.start_main_~j~6)) 4294967297) (or (= ULTIMATE.start_main_~cont~6 (select ULTIMATE.start_main_~str1~6 v_idx_117)) (<= (+ ULTIMATE.start_main_~i~6 1) v_idx_117) (< v_idx_117 ULTIMATE.start_main_~i~6)) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= 0 (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~i~6 4294967297)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 3) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 1) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~j~6)) 4294967296) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 2) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 4) (<= (* 2 ULTIMATE.start_main_~i~6) 2) (<= 0 (+ (* 2 ULTIMATE.start_main_~i~6) 8589934594)) (<= ULTIMATE.start_main_~cont~6 (+ ULTIMATE.start_main_~i~6 4294967297)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 2) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 2)) (<= ULTIMATE.start_main_~i~6 (+ ULTIMATE.start_main_~j~6 1)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) 4294967296) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6 4294967297)) (<= ULTIMATE.start_main_~j~6 (+ ULTIMATE.start_main_~i~6 4294967297)) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 1) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~j~6) 2) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~j~6) 0) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) 8589934594) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 1)) (<= (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~i~6) 1) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~j~6)) 1))) (and (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~j~6)) 0) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) (- 1)) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 2) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~j~6) 0) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~j~6)) 1) (<= (- (- ULTIMATE.start_main_~i~6) (- ULTIMATE.start_main_~j~6)) 4294967297) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 1)))} [2019-02-28 14:53:58,575 FATAL L274 ngHoareTripleChecker]: Action: assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; [2019-02-28 14:53:58,575 FATAL L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (+ c_ULTIMATE.start_main_~j~6 1) c_ULTIMATE.start_main_~j~6_primed) (<= 0 c_ULTIMATE.start_main_~i~6) (= c_ULTIMATE.start_main_~i~6 (+ c_ULTIMATE.start_main_~i~6_primed 1)) (= c_ULTIMATE.start_main_~str2~6_primed (store c_ULTIMATE.start_main_~str2~6 c_ULTIMATE.start_main_~j~6 (select c_ULTIMATE.start_main_~str1~6 0)))) [2019-02-28 14:53:58,913 FATAL L276 ngHoareTripleChecker]: Post: {2147483618#(and (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~j~6)) 0) (<= (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 2) (<= (- (- ULTIMATE.start_main_~i~6) (- ULTIMATE.start_main_~j~6)) 2) (<= (* 2 ULTIMATE.start_main_~MAX~6) 4) (<= 2 (* 2 ULTIMATE.start_main_~MAX~6)) (<= ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~MAX~6) (<= 0 (* 2 ULTIMATE.start_main_~cont~6)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~i~6) 0) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6) 2) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~i~6) 2) (<= ULTIMATE.start_main_~cont~6 (+ ULTIMATE.start_main_~i~6 1)) (<= (- ULTIMATE.start_main_~j~6 (- ULTIMATE.start_main_~j~6)) 2) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6) 2) (<= (- (- ULTIMATE.start_main_~i~6) ULTIMATE.start_main_~j~6) 0) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~cont~6) 0) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6)) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~j~6) (<= 0 (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~i~6)) (<= 1 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~MAX~6)) (<= (* 2 ULTIMATE.start_main_~i~6) 0) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 1) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~cont~6) 2) (<= (- (- ULTIMATE.start_main_~j~6) ULTIMATE.start_main_~j~6) (- 2)) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~i~6) 1) (<= (+ ULTIMATE.start_main_~i~6 2) ULTIMATE.start_main_~MAX~6) (forall ((v_idx_123 Int)) (or (= (select ULTIMATE.start_main_~str1~6 v_idx_123) ULTIMATE.start_main_~cont~6) (<= ULTIMATE.start_main_~MAX~6 v_idx_123) (< v_idx_123 (+ ULTIMATE.start_main_~i~6 1)))) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~cont~6) (- 1)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~i~6)) 2) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~cont~6)) 0) (<= (+ ULTIMATE.start_main_~cont~6 1) ULTIMATE.start_main_~MAX~6) (<= 0 (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6 1)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~MAX~6) (- 2)) (<= (- (- ULTIMATE.start_main_~MAX~6) ULTIMATE.start_main_~j~6) (- 2)) (<= ULTIMATE.start_main_~i~6 ULTIMATE.start_main_~cont~6) (<= (+ ULTIMATE.start_main_~i~6 1) ULTIMATE.start_main_~j~6) (<= ULTIMATE.start_main_~j~6 (+ ULTIMATE.start_main_~cont~6 1)) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~cont~6)) 2) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~MAX~6)) 4) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~i~6)) 0) (<= ULTIMATE.start_main_~j~6 (+ ULTIMATE.start_main_~i~6 2)) (<= (- ULTIMATE.start_main_~cont~6 (- ULTIMATE.start_main_~j~6)) 1) (<= (- ULTIMATE.start_main_~i~6 ULTIMATE.start_main_~j~6) (- 1)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~cont~6 2)) (<= 0 (+ (* 2 ULTIMATE.start_main_~i~6) 2)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~i~6)) (- 2)) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~j~6 1)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~i~6)) 0) (<= (- (- ULTIMATE.start_main_~cont~6) ULTIMATE.start_main_~j~6) (- 1)) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~i~6)) 0) (<= (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~MAX~6) 3) (<= ULTIMATE.start_main_~MAX~6 (+ ULTIMATE.start_main_~i~6 2)) (<= (- (- ULTIMATE.start_main_~cont~6) (- ULTIMATE.start_main_~j~6)) 1) (<= (* 2 ULTIMATE.start_main_~cont~6) 0) (<= (- ULTIMATE.start_main_~MAX~6 (- ULTIMATE.start_main_~j~6)) 3) (<= 0 (+ ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~i~6)) (<= (- (- ULTIMATE.start_main_~MAX~6) (- ULTIMATE.start_main_~cont~6)) (- 1)) (<= (- ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6) (- 1)) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~j~6) 1) (<= (- ULTIMATE.start_main_~MAX~6 ULTIMATE.start_main_~j~6) 1) (<= (+ ULTIMATE.start_main_~cont~6 ULTIMATE.start_main_~i~6) 0) (<= (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~i~6) 1) (<= 2 (+ ULTIMATE.start_main_~j~6 ULTIMATE.start_main_~MAX~6)) (<= (- ULTIMATE.start_main_~i~6 (- ULTIMATE.start_main_~j~6)) 1))} [2019-02-28 14:53:58,913 FATAL L272 FixpointEngine]: Post is unsound because the term-transformation of the following triple is not valid: [2019-02-28 14:53:58,915 FATAL L273 FixpointEngine]: PreBL : #2{Arrays: {[ULTIMATE.start_main_~str1~6] -> [-inf_0] v_314 [b_25] v_315 [b_26] v_316 [inf_0], [ULTIMATE.start_main_~str2~6] -> [-inf_0] v_249 [inf_0], }, Substate: {ints: {ULTIMATE.start_main_~i~6 = [-4294967297; 1]; b_25 = [-4294967297; 1]; ULTIMATE.start_main_~cont~6 = [0; 0]; v_315 = [0; 0]; ULTIMATE.start_main_~MAX~6 = [-4294967296; 2]; ULTIMATE.start_main_~j~6 = [0; 0]; b_26 = [-4294967296; 2]}, 13 vars top, relations: {ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~i~6 = [-4294967297; 1]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~i~6 = [-1; 4294967297]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~i~6 = [-8589934593; 3]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~i~6 = [1; 1]; ULTIMATE.start_main_~i~6 + b_25 = [-8589934594; 2]; ULTIMATE.start_main_~i~6 - b_25 = [0; 0]; ULTIMATE.start_main_~cont~6 + b_25 = [-4294967297; 1]; ULTIMATE.start_main_~cont~6 - b_25 = [-1; 4294967297]; ULTIMATE.start_main_~MAX~6 + b_25 = [-8589934593; 3]; ULTIMATE.start_main_~MAX~6 - b_25 = [1; 1]; ULTIMATE.start_main_~j~6 + b_25 = [-4294967297; 1]; ULTIMATE.start_main_~j~6 - b_25 = [-1; 4294967297]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~cont~6 = [-4294967296; 2]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~cont~6 = [-4294967296; 2]; ULTIMATE.start_main_~i~6 + v_315 = [-4294967297; 1]; ULTIMATE.start_main_~i~6 - v_315 = [-4294967297; 1]; b_25 + v_315 = [-4294967297; 1]; b_25 - v_315 = [-4294967297; 1]; ULTIMATE.start_main_~cont~6 + v_315 = [0; 0]; ULTIMATE.start_main_~cont~6 - v_315 = [0; 0]; ULTIMATE.start_main_~MAX~6 + v_315 = [-4294967296; 2]; ULTIMATE.start_main_~MAX~6 - v_315 = [-4294967296; 2]; ULTIMATE.start_main_~j~6 + v_315 = [0; 0]; ULTIMATE.start_main_~j~6 - v_315 = [0; 0]; b_26 + v_315 = [-4294967296; 2]; b_26 - v_315 = [-4294967296; 2]; ULTIMATE.start_main_~i~6 + ULTIMATE.start_main_~j~6 = [-4294967297; 1]; ULTIMATE.start_main_~i~6 - ULTIMATE.start_main_~j~6 = [-4294967297; 1]; ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~j~6 = [0; 0]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~j~6 = [0; 0]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~j~6 = [-4294967296; 2]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~j~6 = [-4294967296; 2]; ULTIMATE.start_main_~i~6 + b_26 = [-8589934593; 3]; ULTIMATE.start_main_~i~6 - b_26 = [-1; -1]; b_25 + b_26 = [-8589934593; 3]; b_25 - b_26 = [-1; -1]; ULTIMATE.start_main_~cont~6 + b_26 = [-4294967296; 2]; ULTIMATE.start_main_~cont~6 - b_26 = [-2; 4294967296]; ULTIMATE.start_main_~MAX~6 + b_26 = [-8589934592; 4]; ULTIMATE.start_main_~MAX~6 - b_26 = [0; 0]; ULTIMATE.start_main_~j~6 + b_26 = [-4294967296; 2]; ULTIMATE.start_main_~j~6 - b_26 = [-2; 4294967296]}, }}, {Arrays: {[ULTIMATE.start_main_~str1~6] -> [-inf_0] v_310 [inf_0], [ULTIMATE.start_main_~str2~6] -> [-inf_0] v_309 [inf_0], }, Substate: {ints: {ULTIMATE.start_main_~i~6 = [-4294967297; 0]; ULTIMATE.start_main_~cont~6 = [0; 0]; ULTIMATE.start_main_~MAX~6 = [-4294967296; 1]; ULTIMATE.start_main_~j~6 = [0; 1]}, 12 vars top, relations: {ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~i~6 = [-4294967297; 0]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~i~6 = [0; 4294967297]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~i~6 = [-8589934593; 1]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~i~6 = [1; 2]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~cont~6 = [-4294967296; 1]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~cont~6 = [-4294967296; 1]; ULTIMATE.start_main_~i~6 + ULTIMATE.start_main_~j~6 = [-4294967297; 0]; ULTIMATE.start_main_~i~6 - ULTIMATE.start_main_~j~6 = [-4294967297; 0]; ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~j~6 = [0; 1]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~j~6 = [-1; 0]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~j~6 = [-4294967296; 2]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~j~6 = [-4294967296; 1]}, }} [2019-02-28 14:53:58,915 FATAL L274 FixpointEngine]: PreH : #1{Arrays: {[ULTIMATE.start_main_~str1~6] -> [-inf_0] v_1 [inf_0], [ULTIMATE.start_main_~str2~6] -> [-inf_0] v_0 [inf_0], }, Substate: {16 vars top, }} [2019-02-28 14:53:58,915 FATAL L278 FixpointEngine]: Action: assume !!(main_~i~6 >= 0);main_~str2~6 := main_~str2~6[main_~j~6 := main_~str1~6[0]];main_#t~post4 := main_~j~6;main_~j~6 := main_#t~post4 + 1;havoc main_#t~post4;main_#t~post3 := main_~i~6;main_~i~6 := main_#t~post3 - 1;havoc main_#t~post3; (to ULTIMATE.start) [2019-02-28 14:53:58,916 FATAL L282 FixpointEngine]: Post : #1{Arrays: {[ULTIMATE.start_main_~str1~6] -> [-inf_0] v_314 [b_25] v_315 [b_26] v_316 [inf_0], [ULTIMATE.start_main_~str2~6] -> [-inf_0] v_537 [inf_0], }, Substate: {ints: {ULTIMATE.start_main_~i~6 = [-1; 0]; b_25 = [0; 1]; ULTIMATE.start_main_~cont~6 = [0; 0]; v_315 = [0; 0]; ULTIMATE.start_main_~MAX~6 = [1; 2]; ULTIMATE.start_main_~j~6 = [1; 1]; b_26 = [1; 2]}, 13 vars top, relations: {ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~i~6 = [-1; 0]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~i~6 = [0; 1]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~i~6 = [0; 2]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~i~6 = [2; 2]; ULTIMATE.start_main_~i~6 + b_25 = [-1; 1]; ULTIMATE.start_main_~i~6 - b_25 = [-1; -1]; ULTIMATE.start_main_~cont~6 + b_25 = [0; 1]; ULTIMATE.start_main_~cont~6 - b_25 = [-1; 0]; ULTIMATE.start_main_~MAX~6 + b_25 = [1; 3]; ULTIMATE.start_main_~MAX~6 - b_25 = [1; 1]; ULTIMATE.start_main_~j~6 + b_25 = [1; 2]; ULTIMATE.start_main_~j~6 - b_25 = [0; 1]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~cont~6 = [1; 2]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~cont~6 = [1; 2]; ULTIMATE.start_main_~i~6 + v_315 = [-1; 0]; ULTIMATE.start_main_~i~6 - v_315 = [-1; 0]; b_25 + v_315 = [0; 1]; b_25 - v_315 = [0; 1]; ULTIMATE.start_main_~cont~6 + v_315 = [0; 0]; ULTIMATE.start_main_~cont~6 - v_315 = [0; 0]; ULTIMATE.start_main_~MAX~6 + v_315 = [1; 2]; ULTIMATE.start_main_~MAX~6 - v_315 = [1; 2]; ULTIMATE.start_main_~j~6 + v_315 = [1; 1]; ULTIMATE.start_main_~j~6 - v_315 = [1; 1]; b_26 + v_315 = [1; 2]; b_26 - v_315 = [1; 2]; ULTIMATE.start_main_~i~6 + ULTIMATE.start_main_~j~6 = [0; 1]; ULTIMATE.start_main_~i~6 - ULTIMATE.start_main_~j~6 = [-2; -1]; ULTIMATE.start_main_~cont~6 + ULTIMATE.start_main_~j~6 = [1; 1]; ULTIMATE.start_main_~cont~6 - ULTIMATE.start_main_~j~6 = [-1; -1]; ULTIMATE.start_main_~MAX~6 + ULTIMATE.start_main_~j~6 = [2; 3]; ULTIMATE.start_main_~MAX~6 - ULTIMATE.start_main_~j~6 = [0; 1]; ULTIMATE.start_main_~i~6 + b_26 = [0; 2]; ULTIMATE.start_main_~i~6 - b_26 = [-2; -2]; b_25 + b_26 = [1; 3]; b_25 - b_26 = [-1; -1]; ULTIMATE.start_main_~cont~6 + b_26 = [1; 2]; ULTIMATE.start_main_~cont~6 - b_26 = [-2; -1]; ULTIMATE.start_main_~MAX~6 + b_26 = [2; 4]; ULTIMATE.start_main_~MAX~6 - b_26 = [0; 0]; ULTIMATE.start_main_~j~6 + b_26 = [2; 3]; ULTIMATE.start_main_~j~6 - b_26 = [-1; 0]}, }} [2019-02-28 14:53:58,917 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2 has thrown an exception: java.lang.AssertionError: Post is unsound at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:255) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.run(AbstractInterpreter.java:109) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.AbstractInterpretationRcfgObserver.process(AbstractInterpretationRcfgObserver.java:73) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-02-28 14:53:58,923 INFO L168 Benchmark]: Toolchain (without parser) took 19185.37 ms. Allocated memory was 134.2 MB in the beginning and 378.0 MB in the end (delta: 243.8 MB). Free memory was 107.8 MB in the beginning and 236.1 MB in the end (delta: -128.3 MB). Peak memory consumption was 289.4 MB. Max. memory is 7.1 GB. [2019-02-28 14:53:58,924 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 134.2 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-28 14:53:58,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-02-28 14:53:58,926 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 134.2 MB. Free memory was 106.0 MB in the beginning and 105.2 MB in the end (delta: 857.3 kB). Peak memory consumption was 857.3 kB. Max. memory is 7.1 GB. [2019-02-28 14:53:58,927 INFO L168 Benchmark]: RCFGBuilder took 600.48 ms. Allocated memory is still 134.2 MB. Free memory was 104.8 MB in the beginning and 92.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-02-28 14:53:58,928 INFO L168 Benchmark]: Abstract Interpretation took 18510.79 ms. Allocated memory was 134.2 MB in the beginning and 378.0 MB in the end (delta: 243.8 MB). Free memory was 92.2 MB in the beginning and 236.1 MB in the end (delta: -143.9 MB). Peak memory consumption was 273.9 MB. Max. memory is 7.1 GB. [2019-02-28 14:53:58,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 134.2 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 106.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 134.2 MB. Free memory was 106.0 MB in the beginning and 105.2 MB in the end (delta: 857.3 kB). Peak memory consumption was 857.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 600.48 ms. Allocated memory is still 134.2 MB. Free memory was 104.8 MB in the beginning and 92.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 18510.79 ms. Allocated memory was 134.2 MB in the beginning and 378.0 MB in the end (delta: 243.8 MB). Free memory was 92.2 MB in the beginning and 236.1 MB in the end (delta: -143.9 MB). Peak memory consumption was 273.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - ExceptionOrErrorResult: AssertionError: Post is unsound de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: AssertionError: Post is unsound: de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...