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 0.1.23-9f4048f [2018-10-04 12:19:09,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:19:09,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:19:09,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:19:09,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:19:09,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:19:09,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:19:09,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:19:09,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:19:09,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:19:09,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 12:19:09,942 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 [2018-10-04 12:19:09,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:19:09,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:19:09,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:19:09,959 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:19:09,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:19:09,959 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:19:09,960 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:19:09,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:19:09,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:19:09,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:19:09,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:19:09,961 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:19:09,963 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:19:09,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:19:09,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:19:09,964 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:19:09,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:19:09,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:19:09,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:19:09,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:19:09,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:19:09,965 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:19:09,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:19:09,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:19:09,966 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:19:10,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:19:10,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:19:10,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:19:10,040 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:19:10,041 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:19:10,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl [2018-10-04 12:19:10,042 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array.i_3.bpl' [2018-10-04 12:19:10,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:19:10,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:19:10,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:19:10,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:19:10,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:19:10,143 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 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,158 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 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:19:10,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:19:10,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:19:10,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:19:10,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/1) ... [2018-10-04 12:19:10,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:19:10,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:19:10,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:19:10,189 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:19:10,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (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 [2018-10-04 12:19:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:19:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:19:10,517 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:19:10,517 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:19:10 BoogieIcfgContainer [2018-10-04 12:19:10,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:19:10,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:19:10,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:19:10,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:19:10,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:19:10" (1/2) ... [2018-10-04 12:19:10,527 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 04.10 12:19:10, skipping insertion in model container [2018-10-04 12:19:10,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:19:10" (2/2) ... [2018-10-04 12:19:10,529 INFO L112 eAbstractionObserver]: Analyzing ICFG array.i_3.bpl [2018-10-04 12:19:10,540 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:19:10,548 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:19:10,600 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:19:10,601 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:19:10,601 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:19:10,601 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:19:10,602 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:19:10,602 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:19:10,602 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:19:10,602 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:19:10,602 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:19:10,618 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-10-04 12:19:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 12:19:10,625 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:19:10,626 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-04 12:19:10,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:19:10,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:19:10,638 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-10-04 12:19:10,640 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:19:10,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:19:10,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:19:10,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:19:10,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:19:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:19:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:19:10,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:19:10,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:19:10,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:19:10,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:19:10,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 12:19:10,915 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-10-04 12:19:10,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:19:10,969 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-10-04 12:19:10,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:19:10,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-04 12:19:10,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:19:10,980 INFO L225 Difference]: With dead ends: 11 [2018-10-04 12:19:10,981 INFO L226 Difference]: Without dead ends: 7 [2018-10-04 12:19:10,985 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 [2018-10-04 12:19:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-10-04 12:19:11,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-10-04 12:19:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-04 12:19:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 12:19:11,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-10-04 12:19:11,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:19:11,023 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-10-04 12:19:11,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:19:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 12:19:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 12:19:11,024 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:19:11,024 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-10-04 12:19:11,025 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:19:11,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:19:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-10-04 12:19:11,025 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:19:11,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:19:11,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:19:11,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:19:11,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:19:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:19:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:19:11,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:19:11,226 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 [2018-10-04 12:19:11,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:19:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:19:11,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:19:11,331 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 [2018-10-04 12:19:11,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 12:19:11,357 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. [2018-10-04 12:19:11,358 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:14 [2018-10-04 12:19:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:19:11,427 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:19:11,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2018-10-04 12:19:11,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-04 12:19:11,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-04 12:19:11,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-04 12:19:11,430 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2018-10-04 12:19:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:19:11,507 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-10-04 12:19:11,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 12:19:11,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-10-04 12:19:11,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:19:11,509 INFO L225 Difference]: With dead ends: 9 [2018-10-04 12:19:11,509 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:19:11,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-04 12:19:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:19:11,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:19:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:19:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:19:11,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-10-04 12:19:11,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:19:11,512 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:19:11,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-04 12:19:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:19:11,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:19:11,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:19:11,655 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-04 12:19:11,906 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-10-04 12:19:11,910 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 53) no Hoare annotation was computed. [2018-10-04 12:19:11,910 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 53) no Hoare annotation was computed. [2018-10-04 12:19:11,911 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)))))) [2018-10-04 12:19:11,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 53) no Hoare annotation was computed. [2018-10-04 12:19:11,911 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 52) no Hoare annotation was computed. [2018-10-04 12:19:11,912 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)))))) [2018-10-04 12:19:11,912 INFO L421 ceAbstractionStarter]: At program point L39(lines 39 51) the Hoare annotation is: false [2018-10-04 12:19:11,923 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,924 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,925 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,934 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,935 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,935 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,938 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,938 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,938 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,941 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,941 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,942 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,944 INFO L202 PluginConnector]: Adding new model array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:19:11 BoogieIcfgContainer [2018-10-04 12:19:11,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:19:11,946 INFO L168 Benchmark]: Toolchain (without parser) took 1829.65 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-10-04 12:19:11,948 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-10-04 12:19:11,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.45 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. [2018-10-04 12:19:11,952 INFO L168 Benchmark]: Boogie Preprocessor took 22.75 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. [2018-10-04 12:19:11,952 INFO L168 Benchmark]: RCFGBuilder took 328.67 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. [2018-10-04 12:19:11,954 INFO L168 Benchmark]: TraceAbstraction took 1426.90 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. [2018-10-04 12:19:11,961 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 0.20 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 46.45 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 22.75 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 328.67 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 1426.90 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 [2018-10-04 12:19:11,973 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,974 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,974 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,975 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,976 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,976 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 [2018-10-04 12:19:11,977 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,978 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,978 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,979 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,980 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~j~5_7,QUANTIFIED] [2018-10-04 12:19:11,980 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, 1.3s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.4s 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-0-2018-10-04_12-19-11-987.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-0-2018-10-04_12-19-11-987.csv Received shutdown request...