java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 08:40:12,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 08:40:12,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 08:40:12,138 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 08:40:12,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 08:40:12,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 08:40:12,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 08:40:12,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 08:40:12,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 08:40:12,146 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 08:40:12,147 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 08:40:12,147 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 08:40:12,148 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 08:40:12,149 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 08:40:12,150 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 08:40:12,151 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 08:40:12,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 08:40:12,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 08:40:12,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 08:40:12,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 08:40:12,159 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 08:40:12,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 08:40:12,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 08:40:12,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 08:40:12,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 08:40:12,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 08:40:12,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 08:40:12,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 08:40:12,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 08:40:12,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 08:40:12,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 08:40:12,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 08:40:12,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 08:40:12,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 08:40:12,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 08:40:12,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 08:40:12,182 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-03 08:40:12,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 08:40:12,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 08:40:12,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 08:40:12,212 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 08:40:12,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 08:40:12,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 08:40:12,216 INFO L133 SettingsManager]: * Use SBE=true [2018-10-03 08:40:12,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 08:40:12,217 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 08:40:12,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 08:40:12,217 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 08:40:12,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 08:40:12,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 08:40:12,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 08:40:12,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 08:40:12,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 08:40:12,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 08:40:12,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 08:40:12,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 08:40:12,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-03 08:40:12,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 08:40:12,220 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-03 08:40:12,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-03 08:40:12,221 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 08:40:12,221 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 08:40:12,221 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 08:40:12,221 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-03 08:40:12,222 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 08:40:12,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 08:40:12,222 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 08:40:12,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 08:40:12,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 08:40:12,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 08:40:12,309 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 08:40:12,309 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 08:40:12,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2018-10-03 08:40:12,311 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2018-10-03 08:40:12,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 08:40:12,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 08:40:12,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 08:40:12,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 08:40:12,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 08:40:12,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 08:40:12,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 08:40:12,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 08:40:12,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 08:40:12,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/1) ... [2018-10-03 08:40:12,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 08:40:12,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 08:40:12,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 08:40:12,431 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 08:40:12,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-03 08:40:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 08:40:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 08:40:12,767 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 08:40:12,768 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 08:40:12 BoogieIcfgContainer [2018-10-03 08:40:12,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 08:40:12,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-03 08:40:12,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-03 08:40:12,775 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-03 08:40:12,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 08:40:12" (1/2) ... [2018-10-03 08:40:12,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ff62d4 and model type array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 08:40:12, skipping insertion in model container [2018-10-03 08:40:12,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 08:40:12" (2/2) ... [2018-10-03 08:40:12,779 INFO L112 eAbstractionObserver]: Analyzing ICFG array.i_3.bpl [2018-10-03 08:40:12,790 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-03 08:40:12,800 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-03 08:40:12,857 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-03 08:40:12,857 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-03 08:40:12,858 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-03 08:40:12,858 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-03 08:40:12,858 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-03 08:40:12,858 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-03 08:40:12,859 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-03 08:40:12,859 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-03 08:40:12,859 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-03 08:40:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-10-03 08:40:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 08:40:12,891 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:40:12,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-03 08:40:12,894 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:40:12,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:40:12,900 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-10-03 08:40:12,903 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:40:12,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:40:12,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:40:12,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:40:12,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:40:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:40:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:40:13,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:40:13,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:40:13,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:40:13,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:40:13,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:40:13,163 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-10-03 08:40:13,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:40:13,230 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-03 08:40:13,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:40:13,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-03 08:40:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:40:13,247 INFO L225 Difference]: With dead ends: 11 [2018-10-03 08:40:13,247 INFO L226 Difference]: Without dead ends: 7 [2018-10-03 08:40:13,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:40:13,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-03 08:40:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-03 08:40:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-03 08:40:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-03 08:40:13,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-10-03 08:40:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:40:13,308 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-03 08:40:13,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:40:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-03 08:40:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 08:40:13,308 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:40:13,309 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-03 08:40:13,309 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:40:13,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:40:13,309 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-10-03 08:40:13,310 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:40:13,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:40:13,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:40:13,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:40:13,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:40:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:40:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:40:13,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-03 08:40:13,592 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-03 08:40:13,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:40:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:40:13,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 08:40:13,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-03 08:40:13,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-03 08:40:13,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-03 08:40:13,836 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:14 [2018-10-03 08:40:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:40:13,919 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-03 08:40:13,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2018-10-03 08:40:13,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-03 08:40:13,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-03 08:40:13,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-03 08:40:13,921 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2018-10-03 08:40:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:40:13,980 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-10-03 08:40:13,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-03 08:40:13,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-10-03 08:40:13,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:40:13,981 INFO L225 Difference]: With dead ends: 9 [2018-10-03 08:40:13,981 INFO L226 Difference]: Without dead ends: 0 [2018-10-03 08:40:13,983 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-03 08:40:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-03 08:40:13,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-03 08:40:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-03 08:40:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-03 08:40:13,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-10-03 08:40:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:40:13,985 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-03 08:40:13,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-03 08:40:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-03 08:40:13,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-03 08:40:13,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-03 08:40:14,118 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-03 08:40:14,312 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-03 08:40:14,315 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 53) no Hoare annotation was computed. [2018-10-03 08:40:14,315 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 53) no Hoare annotation was computed. [2018-10-03 08:40:14,316 INFO L421 ceAbstractionStarter]: At program point L29(lines 29 40) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~SIZE~5 1) (<= (+ ULTIMATE.start_main_~j~5 1) ULTIMATE.start_main_~SIZE~5)) (exists ((v_ULTIMATE.start_main_~j~5_7 Int)) (and (<= v_ULTIMATE.start_main_~j~5_7 0) (<= 0 v_ULTIMATE.start_main_~j~5_7) (<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 (mod v_ULTIMATE.start_main_~j~5_7 4294967296)))))) [2018-10-03 08:40:14,316 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 53) no Hoare annotation was computed. [2018-10-03 08:40:14,316 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 52) no Hoare annotation was computed. [2018-10-03 08:40:14,317 INFO L421 ceAbstractionStarter]: At program point L50(lines 26 50) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~j~5) (<= ULTIMATE.start_main_~SIZE~5 1) (<= (+ ULTIMATE.start_main_~j~5 1) ULTIMATE.start_main_~SIZE~5)) (exists ((v_ULTIMATE.start_main_~j~5_7 Int)) (and (<= v_ULTIMATE.start_main_~j~5_7 0) (<= 0 v_ULTIMATE.start_main_~j~5_7) (<= ULTIMATE.start_main_~menor~5 (select ULTIMATE.start_main_~array~5 (mod v_ULTIMATE.start_main_~j~5_7 4294967296)))))) [2018-10-03 08:40:14,317 INFO L421 ceAbstractionStarter]: At program point L39(lines 39 51) the Hoare annotation is: false [2018-10-03 08:40:14,326 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,327 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,328 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,330 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,331 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,331 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,333 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,333 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,333 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,335 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,335 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,336 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,338 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 08:40:14 BoogieIcfgContainer [2018-10-03 08:40:14,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-03 08:40:14,339 INFO L168 Benchmark]: Toolchain (without parser) took 1976.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-10-03 08:40:14,341 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 08:40:14,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 08:40:14,342 INFO L168 Benchmark]: Boogie Preprocessor took 21.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 08:40:14,343 INFO L168 Benchmark]: RCFGBuilder took 337.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 08:40:14,345 INFO L168 Benchmark]: TraceAbstraction took 1569.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-10-03 08:40:14,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 337.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1569.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 26]: Loop Invariant [2018-10-03 08:40:14,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,362 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,362 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,362 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] Derived loop invariant: ((0 <= main_~j~5 && main_~SIZE~5 <= 1) && main_~j~5 + 1 <= main_~SIZE~5) || (exists v_ULTIMATE.start_main_~j~5_7 : int :: (v_ULTIMATE.start_main_~j~5_7 <= 0 && 0 <= v_ULTIMATE.start_main_~j~5_7) && main_~menor~5 <= main_~array~5[v_ULTIMATE.start_main_~j~5_7 % 4294967296]) - InvariantResult [Line: 29]: Loop Invariant [2018-10-03 08:40:14,364 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,364 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,364 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,366 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,366 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-03 08:40:14,366 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] Derived loop invariant: ((0 <= main_~j~5 && main_~SIZE~5 <= 1) && main_~j~5 + 1 <= main_~SIZE~5) || (exists v_ULTIMATE.start_main_~j~5_7 : int :: (v_ULTIMATE.start_main_~j~5_7 <= 0 && 0 <= v_ULTIMATE.start_main_~j~5_7) && main_~menor~5 <= main_~array~5[v_ULTIMATE.start_main_~j~5_7 % 4294967296]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 2 QuantifiedInterpolants, 425 SizeOfPredicates, 4 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-03_08-40-14-372.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/array.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-03_08-40-14-372.csv Received shutdown request...